{"metadata":{"serial":"DFM-26042575","launchsite":null,"type":"DFM17","vendor":"Graw","firstcontact":{"timestamp":1791850143,"frame":"1475885343","lat":"42.24682","lon":"-72.85455","alt":"19740.5","station":"EastBoston"},"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","min_vel_v":"-7.1","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"timestamp":"1791854978","lat":"41.71747","lon":"-71.73249","alt":"3618.6","max_vel_v":"7","max_vel_h":"45.4","avg_vel_v":"-2.228573753720238","burst":{"timestamp":1791850759,"frame":"1475885959","lat":"42.18698","lon":"-72.74553","alt":"22349"}},"geojson":{"type":"FeatureCollection","features":[{"type":"Feature","properties":{"altitude":"19740.5","frame":"1475885343","batt_v":"4.3","sats":"13","vel_v":"5.8","vel_h":"17.9","heading":"117.1","temp":"-67.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850143","snr":"8.9","f_error_hz":"488","distance":150}},"timestamp":"1791850143"},"geometry":{"coordinates":[[-72.85455,42.24682],[-72.85455,42.24682]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19740.5","frame":"1475885343","batt_v":"4.3","sats":"13","vel_v":"5.8","vel_h":"17.9","heading":"117.1","temp":"-67.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850143","snr":"8.9","f_error_hz":"488","distance":150}},"timestamp":"1791850143"},"geometry":{"coordinates":[[-72.85455,42.24682],[-72.85455,42.24682]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19740.5","frame":"1475885343","batt_v":"4.3","sats":"13","vel_v":"5.8","vel_h":"17.9","heading":"117.1","temp":"-67.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850143","snr":"8.9","f_error_hz":"488","distance":150}},"timestamp":"1791850143"},"geometry":{"coordinates":[[-72.85455,42.24682],[-72.85455,42.24682]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19740.5","frame":"1475885343","batt_v":"4.3","sats":"13","vel_v":"5.8","vel_h":"17.9","heading":"117.1","temp":"-67.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850143","snr":"8.9","f_error_hz":"488","distance":150}},"timestamp":"1791850143"},"geometry":{"coordinates":[[-72.85455,42.24682],[-72.85455,42.24682]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19740.5","frame":"1475885343","batt_v":"4.3","sats":"13","vel_v":"5.8","vel_h":"17.9","heading":"117.1","temp":"-67.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850143","snr":"8.9","f_error_hz":"488","distance":150}},"timestamp":"1791850143"},"geometry":{"coordinates":[[-72.85455,42.24682],[-72.85455,42.24682]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19740.5","frame":"1475885343","batt_v":"4.3","sats":"13","vel_v":"5.8","vel_h":"17.9","heading":"117.1","temp":"-67.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850143","snr":"8.9","f_error_hz":"488","distance":150}},"timestamp":"1791850143"},"geometry":{"coordinates":[[-72.85455,42.24682],[-72.85455,42.24682]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19740.5","frame":"1475885343","batt_v":"4.3","sats":"13","vel_v":"5.8","vel_h":"17.9","heading":"117.1","temp":"-67.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850143","snr":"8.9","f_error_hz":"488","distance":150}},"timestamp":"1791850143"},"geometry":{"coordinates":[[-72.85455,42.24682],[-72.85455,42.24682]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19740.5","frame":"1475885343","batt_v":"4.3","sats":"13","vel_v":"5.8","vel_h":"17.9","heading":"117.1","temp":"-67.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850143","snr":"8.9","f_error_hz":"488","distance":150}},"timestamp":"1791850143"},"geometry":{"coordinates":[[-72.85455,42.24682],[-72.85455,42.24682]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19873.5","frame":"1475885366","batt_v":"4.3","sats":"13","vel_v":"6.8","vel_h":"17.5","avg_vel_v":"5.782608695652174","heading":"109.5","temp":"-67.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850166","snr":"6.6","f_error_hz":"488","distance":150}},"timestamp":"1791850166"},"geometry":{"coordinates":[[-72.85455,42.24682],[-72.85012,42.24535]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19873.5","frame":"1475885366","batt_v":"4.3","sats":"13","vel_v":"6.8","vel_h":"17.5","avg_vel_v":"5.782608695652174","heading":"109.5","temp":"-67.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850166","snr":"6.6","f_error_hz":"488","distance":150}},"timestamp":"1791850166"},"geometry":{"coordinates":[[-72.85012,42.24535],[-72.85012,42.24535]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19873.5","frame":"1475885366","batt_v":"4.3","sats":"13","vel_v":"6.8","vel_h":"17.5","avg_vel_v":"5.782608695652174","heading":"109.5","temp":"-67.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850166","snr":"6.6","f_error_hz":"488","distance":150}},"timestamp":"1791850166"},"geometry":{"coordinates":[[-72.85012,42.24535],[-72.85012,42.24535]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19873.5","frame":"1475885366","batt_v":"4.3","sats":"13","vel_v":"6.8","vel_h":"17.5","avg_vel_v":"5.782608695652174","heading":"109.5","temp":"-67.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850166","snr":"6.6","f_error_hz":"488","distance":150}},"timestamp":"1791850166"},"geometry":{"coordinates":[[-72.85012,42.24535],[-72.85012,42.24535]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19873.5","frame":"1475885366","batt_v":"4.3","sats":"13","vel_v":"6.8","vel_h":"17.5","avg_vel_v":"5.782608695652174","heading":"109.5","temp":"-67.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850166","snr":"6.6","f_error_hz":"488","distance":150}},"timestamp":"1791850166"},"geometry":{"coordinates":[[-72.85012,42.24535],[-72.85012,42.24535]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19873.5","frame":"1475885366","batt_v":"4.3","sats":"13","vel_v":"6.8","vel_h":"17.5","avg_vel_v":"5.782608695652174","heading":"109.5","temp":"-67.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850166","snr":"6.6","f_error_hz":"488","distance":150}},"timestamp":"1791850166"},"geometry":{"coordinates":[[-72.85012,42.24535],[-72.85012,42.24535]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19873.5","frame":"1475885366","batt_v":"4.3","sats":"13","vel_v":"6.8","vel_h":"17.5","avg_vel_v":"5.782608695652174","heading":"109.5","temp":"-67.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850166","snr":"6.6","f_error_hz":"488","distance":150}},"timestamp":"1791850166"},"geometry":{"coordinates":[[-72.85012,42.24535],[-72.85012,42.24535]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19873.5","frame":"1475885366","batt_v":"4.3","sats":"13","vel_v":"6.8","vel_h":"17.5","avg_vel_v":"5.782608695652174","heading":"109.5","temp":"-67.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850166","snr":"6.6","f_error_hz":"488","distance":150}},"timestamp":"1791850166"},"geometry":{"coordinates":[[-72.85012,42.24535],[-72.85012,42.24535]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19873.5","frame":"1475885366","batt_v":"4.3","sats":"13","vel_v":"6.8","vel_h":"17.5","avg_vel_v":"5.782608695652174","heading":"109.5","temp":"-67.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850166","snr":"6.6","f_error_hz":"488","distance":150}},"timestamp":"1791850166"},"geometry":{"coordinates":[[-72.85012,42.24535],[-72.85012,42.24535]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19989.1","frame":"1475885387","batt_v":"4.3","sats":"12","vel_v":"2.9","vel_h":"25.1","avg_vel_v":"5.504743303571429","heading":"118.7","temp":"-66.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850187","snr":"10.9","f_error_hz":"488","distance":149}},"timestamp":"1791850187"},"geometry":{"coordinates":[[-72.85012,42.24535],[-72.8458,42.24344]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19989.1","frame":"1475885387","batt_v":"4.3","sats":"12","vel_v":"2.9","vel_h":"25.1","avg_vel_v":"5.504743303571429","heading":"118.7","temp":"-66.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850187","snr":"10.9","f_error_hz":"488","distance":149}},"timestamp":"1791850187"},"geometry":{"coordinates":[[-72.8458,42.24344],[-72.8458,42.24344]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19989.1","frame":"1475885387","batt_v":"4.3","sats":"12","vel_v":"2.9","vel_h":"25.1","avg_vel_v":"5.504743303571429","heading":"118.7","temp":"-66.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850187","snr":"10.9","f_error_hz":"488","distance":null}},"timestamp":"1791850187"},"geometry":{"coordinates":[[-72.8458,42.24344],[-72.8458,42.24344]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20009.9","frame":"1475885391","batt_v":"4.3","sats":"12","vel_v":"7","vel_h":"15.9","avg_vel_v":"5.456015625","heading":"132.1","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850191","snr":"8.2","f_error_hz":"488","distance":149}},"timestamp":"1791850191"},"geometry":{"coordinates":[[-72.8458,42.24344],[-72.84496,42.24304]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20009.9","frame":"1475885391","batt_v":"4.3","sats":"12","vel_v":"7","vel_h":"15.9","avg_vel_v":"5.456015625","heading":"132.1","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850191","snr":"8.2","f_error_hz":"488","distance":149}},"timestamp":"1791850191"},"geometry":{"coordinates":[[-72.84496,42.24304],[-72.84496,42.24304]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20009.9","frame":"1475885391","batt_v":"4.3","sats":"12","vel_v":"7","vel_h":"15.9","avg_vel_v":"5.456015625","heading":"132.1","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850191","snr":"8.2","f_error_hz":"488","distance":149}},"timestamp":"1791850191"},"geometry":{"coordinates":[[-72.84496,42.24304],[-72.84496,42.24304]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20009.9","frame":"1475885391","batt_v":"4.3","sats":"12","vel_v":"7","vel_h":"15.9","avg_vel_v":"5.456015625","heading":"132.1","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850191","snr":"8.2","f_error_hz":"488","distance":149}},"timestamp":"1791850191"},"geometry":{"coordinates":[[-72.84496,42.24304],[-72.84496,42.24304]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20009.9","frame":"1475885391","batt_v":"4.3","sats":"12","vel_v":"7","vel_h":"15.9","avg_vel_v":"5.456015625","heading":"132.1","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850191","snr":"8.2","f_error_hz":"488","distance":149}},"timestamp":"1791850191"},"geometry":{"coordinates":[[-72.84496,42.24304],[-72.84496,42.24304]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20009.9","frame":"1475885391","batt_v":"4.3","sats":"12","vel_v":"7","vel_h":"15.9","avg_vel_v":"5.456015625","heading":"132.1","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850191","snr":"8.2","f_error_hz":"488","distance":149}},"timestamp":"1791850191"},"geometry":{"coordinates":[[-72.84496,42.24304],[-72.84496,42.24304]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20101.5","frame":"1475885409","batt_v":"4.3","sats":"12","vel_v":"4.8","vel_h":"16.5","avg_vel_v":"5.1091086647727275","heading":"137.2","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850209","snr":"9.8","f_error_hz":"488","distance":149}},"timestamp":"1791850209"},"geometry":{"coordinates":[[-72.84496,42.24304],[-72.84125,42.24109]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20101.5","frame":"1475885409","batt_v":"4.3","sats":"12","vel_v":"4.8","vel_h":"16.5","avg_vel_v":"5.1091086647727275","heading":"137.2","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850209","snr":"9.8","f_error_hz":"488","distance":149}},"timestamp":"1791850209"},"geometry":{"coordinates":[[-72.84125,42.24109],[-72.84125,42.24109]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20117.3","frame":"1475885412","batt_v":"4.3","sats":"12","vel_v":"4.2","vel_h":"26.1","avg_vel_v":"5.128046875","heading":"123.5","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850212","snr":"8.8","f_error_hz":"488","distance":149}},"timestamp":"1791850212"},"geometry":{"coordinates":[[-72.84125,42.24109],[-72.84063,42.24076]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20117.3","frame":"1475885412","batt_v":"4.3","sats":"12","vel_v":"4.2","vel_h":"26.1","avg_vel_v":"5.128046875","heading":"123.5","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850212","snr":"8.8","f_error_hz":"488","distance":149}},"timestamp":"1791850212"},"geometry":{"coordinates":[[-72.84063,42.24076],[-72.84063,42.24076]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20131.6","frame":"1475885415","batt_v":"4.3","sats":"12","vel_v":"3.5","vel_h":"16.4","avg_vel_v":"5.089285714285714","heading":"126.2","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850215","snr":"8.8","f_error_hz":"488","distance":149}},"timestamp":"1791850215"},"geometry":{"coordinates":[[-72.84063,42.24076],[-72.83997,42.24039]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20131.6","frame":"1475885415","batt_v":"4.3","sats":"12","vel_v":"3.5","vel_h":"16.4","avg_vel_v":"5.089285714285714","heading":"126.2","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850215","snr":"8.8","f_error_hz":"488","distance":149}},"timestamp":"1791850215"},"geometry":{"coordinates":[[-72.83997,42.24039],[-72.83997,42.24039]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20131.6","frame":"1475885415","batt_v":"4.3","sats":"12","vel_v":"3.5","vel_h":"16.4","avg_vel_v":"5.089285714285714","heading":"126.2","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850215","snr":"8.8","f_error_hz":"488","distance":149}},"timestamp":"1791850215"},"geometry":{"coordinates":[[-72.83997,42.24039],[-72.83997,42.24039]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20131.6","frame":"1475885415","batt_v":"4.3","sats":"12","vel_v":"3.5","vel_h":"16.4","avg_vel_v":"5.089285714285714","heading":"126.2","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850215","snr":"8.8","f_error_hz":"488","distance":149}},"timestamp":"1791850215"},"geometry":{"coordinates":[[-72.83997,42.24039],[-72.83997,42.24039]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83997,42.24039],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20200.2","frame":"1475885430","batt_v":"4.3","sats":"12","vel_v":"5.4","vel_h":"20.2","avg_vel_v":"4.6999627976190474","heading":"130.3","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850230","snr":"6.2","f_error_hz":"488","distance":149}},"timestamp":"1791850230"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.83694,42.23859]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20399.2","frame":"1475885471","batt_v":"4.2","sats":"12","vel_v":"4","vel_h":"19.7","heading":"122","temp":"-64.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850271","snr":"7.9","f_error_hz":"488","distance":148}},"timestamp":"1791850271"},"geometry":{"coordinates":[[-72.83694,42.23859],[-72.82989,42.23346]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20399.2","frame":"1475885471","batt_v":"4.2","sats":"12","vel_v":"4","vel_h":"19.7","heading":"122","temp":"-64.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850271","snr":"7.9","f_error_hz":"488","distance":148}},"timestamp":"1791850271"},"geometry":{"coordinates":[[-72.82989,42.23346],[-72.82989,42.23346]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20399.2","frame":"1475885471","batt_v":"4.2","sats":"12","vel_v":"4","vel_h":"19.7","heading":"122","temp":"-64.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850271","snr":"7.9","f_error_hz":"488","distance":148}},"timestamp":"1791850271"},"geometry":{"coordinates":[[-72.82989,42.23346],[-72.82989,42.23346]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20399.2","frame":"1475885471","batt_v":"4.2","sats":"12","vel_v":"4","vel_h":"19.7","heading":"122","temp":"-64.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850271","snr":"7.9","f_error_hz":"488","distance":148}},"timestamp":"1791850271"},"geometry":{"coordinates":[[-72.82989,42.23346],[-72.82989,42.23346]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20399.2","frame":"1475885471","batt_v":"4.2","sats":"12","vel_v":"4","vel_h":"19.7","heading":"122","temp":"-64.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850271","snr":"7.9","f_error_hz":"488","distance":148}},"timestamp":"1791850271"},"geometry":{"coordinates":[[-72.82989,42.23346],[-72.82989,42.23346]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20399.2","frame":"1475885471","batt_v":"4.2","sats":"12","vel_v":"4","vel_h":"19.7","heading":"122","temp":"-64.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850271","snr":"7.9","f_error_hz":"488","distance":148}},"timestamp":"1791850271"},"geometry":{"coordinates":[[-72.82989,42.23346],[-72.82989,42.23346]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20399.2","frame":"1475885471","batt_v":"4.2","sats":"12","vel_v":"4","vel_h":"19.7","heading":"122","temp":"-64.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850271","snr":"7.9","f_error_hz":"488","distance":148}},"timestamp":"1791850271"},"geometry":{"coordinates":[[-72.82989,42.23346],[-72.82989,42.23346]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20399.2","frame":"1475885471","batt_v":"4.2","sats":"12","vel_v":"4","vel_h":"19.7","heading":"122","temp":"-64.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850271","snr":"7.9","f_error_hz":"488","distance":148}},"timestamp":"1791850271"},"geometry":{"coordinates":[[-72.82989,42.23346],[-72.82989,42.23346]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20399.2","frame":"1475885471","batt_v":"4.2","sats":"12","vel_v":"4","vel_h":"19.7","heading":"122","temp":"-64.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850271","snr":"7.9","f_error_hz":"488","distance":148}},"timestamp":"1791850271"},"geometry":{"coordinates":[[-72.82989,42.23346],[-72.82989,42.23346]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20516.3","frame":"1475885493","batt_v":"4.2","sats":"12","vel_v":"3.6","vel_h":"18.4","avg_vel_v":"5.322798295454546","heading":"145.5","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850293","snr":"6.2","f_error_hz":"488","distance":148}},"timestamp":"1791850293"},"geometry":{"coordinates":[[-72.82989,42.23346],[-72.82641,42.23064]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20516.3","frame":"1475885493","batt_v":"4.2","sats":"12","vel_v":"3.6","vel_h":"18.4","avg_vel_v":"5.322798295454546","heading":"145.5","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850293","snr":"6.2","f_error_hz":"488","distance":148}},"timestamp":"1791850293"},"geometry":{"coordinates":[[-72.82641,42.23064],[-72.82641,42.23064]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20516.3","frame":"1475885493","batt_v":"4.2","sats":"12","vel_v":"3.6","vel_h":"18.4","avg_vel_v":"5.322798295454546","heading":"145.5","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850293","snr":"6.2","f_error_hz":"488","distance":148}},"timestamp":"1791850293"},"geometry":{"coordinates":[[-72.82641,42.23064],[-72.82641,42.23064]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20516.3","frame":"1475885493","batt_v":"4.2","sats":"12","vel_v":"3.6","vel_h":"18.4","avg_vel_v":"5.322798295454546","heading":"145.5","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850293","snr":"6.2","f_error_hz":"488","distance":148}},"timestamp":"1791850293"},"geometry":{"coordinates":[[-72.82641,42.23064],[-72.82641,42.23064]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20516.3","frame":"1475885493","batt_v":"4.2","sats":"12","vel_v":"3.6","vel_h":"18.4","avg_vel_v":"5.322798295454546","heading":"145.5","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850293","snr":"6.2","f_error_hz":"488","distance":148}},"timestamp":"1791850293"},"geometry":{"coordinates":[[-72.82641,42.23064],[-72.82641,42.23064]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20516.3","frame":"1475885493","batt_v":"4.2","sats":"12","vel_v":"3.6","vel_h":"18.4","avg_vel_v":"5.322798295454546","heading":"145.5","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850293","snr":"6.2","f_error_hz":"488","distance":148}},"timestamp":"1791850293"},"geometry":{"coordinates":[[-72.82641,42.23064],[-72.82641,42.23064]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20516.3","frame":"1475885493","batt_v":"4.2","sats":"12","vel_v":"3.6","vel_h":"18.4","avg_vel_v":"5.322798295454546","heading":"145.5","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850293","snr":"6.2","f_error_hz":"488","distance":148}},"timestamp":"1791850293"},"geometry":{"coordinates":[[-72.82641,42.23064],[-72.82641,42.23064]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20516.3","frame":"1475885493","batt_v":"4.2","sats":"12","vel_v":"3.6","vel_h":"18.4","avg_vel_v":"5.322798295454546","heading":"145.5","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850293","snr":"6.2","f_error_hz":"488","distance":148}},"timestamp":"1791850293"},"geometry":{"coordinates":[[-72.82641,42.23064],[-72.82641,42.23064]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20619.2","frame":"1475885511","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"20.9","avg_vel_v":"5.716579861111111","heading":"137.9","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850311","snr":"8","f_error_hz":"488","distance":148}},"timestamp":"1791850311"},"geometry":{"coordinates":[[-72.82641,42.23064],[-72.82328,42.22825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20619.2","frame":"1475885511","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"20.9","avg_vel_v":"5.716579861111111","heading":"137.9","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850311","snr":"8","f_error_hz":"488","distance":148}},"timestamp":"1791850311"},"geometry":{"coordinates":[[-72.82328,42.22825],[-72.82328,42.22825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20619.2","frame":"1475885511","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"20.9","avg_vel_v":"5.716579861111111","heading":"137.9","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850311","snr":"8","f_error_hz":"488","distance":148}},"timestamp":"1791850311"},"geometry":{"coordinates":[[-72.82328,42.22825],[-72.82328,42.22825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20619.2","frame":"1475885511","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"20.9","avg_vel_v":"5.716579861111111","heading":"137.9","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850311","snr":"8","f_error_hz":"488","distance":148}},"timestamp":"1791850311"},"geometry":{"coordinates":[[-72.82328,42.22825],[-72.82328,42.22825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20619.2","frame":"1475885511","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"20.9","avg_vel_v":"5.716579861111111","heading":"137.9","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850311","snr":"8","f_error_hz":"488","distance":148}},"timestamp":"1791850311"},"geometry":{"coordinates":[[-72.82328,42.22825],[-72.82328,42.22825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20619.2","frame":"1475885511","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"20.9","avg_vel_v":"5.716579861111111","heading":"137.9","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850311","snr":"8","f_error_hz":"488","distance":148}},"timestamp":"1791850311"},"geometry":{"coordinates":[[-72.82328,42.22825],[-72.82328,42.22825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20619.2","frame":"1475885511","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"20.9","avg_vel_v":"5.716579861111111","heading":"137.9","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850311","snr":"8","f_error_hz":"488","distance":148}},"timestamp":"1791850311"},"geometry":{"coordinates":[[-72.82328,42.22825],[-72.82328,42.22825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20619.2","frame":"1475885511","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"20.9","avg_vel_v":"5.716579861111111","heading":"137.9","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850311","snr":"8","f_error_hz":"488","distance":148}},"timestamp":"1791850311"},"geometry":{"coordinates":[[-72.82328,42.22825],[-72.82328,42.22825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20619.2","frame":"1475885511","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"20.9","avg_vel_v":"5.716579861111111","heading":"137.9","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850311","snr":"8","f_error_hz":"488","distance":148}},"timestamp":"1791850311"},"geometry":{"coordinates":[[-72.82328,42.22825],[-72.82328,42.22825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20765.1","frame":"1475885534","batt_v":"4.2","sats":"12","vel_v":"5.3","vel_h":"16.5","avg_vel_v":"6.343495244565218","heading":"129.6","temp":"-65","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850334","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850334"},"geometry":{"coordinates":[[-72.82328,42.22825],[-72.81943,42.22532]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20765.1","frame":"1475885534","batt_v":"4.2","sats":"12","vel_v":"5.3","vel_h":"16.5","avg_vel_v":"6.343495244565218","heading":"129.6","temp":"-65","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850334","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850334"},"geometry":{"coordinates":[[-72.81943,42.22532],[-72.81943,42.22532]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20765.1","frame":"1475885534","batt_v":"4.2","sats":"12","vel_v":"5.3","vel_h":"16.5","avg_vel_v":"6.343495244565218","heading":"129.6","temp":"-65","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850334","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850334"},"geometry":{"coordinates":[[-72.81943,42.22532],[-72.81943,42.22532]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20765.1","frame":"1475885534","batt_v":"4.2","sats":"12","vel_v":"5.3","vel_h":"16.5","avg_vel_v":"6.343495244565218","heading":"129.6","temp":"-65","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850334","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850334"},"geometry":{"coordinates":[[-72.81943,42.22532],[-72.81943,42.22532]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20765.1","frame":"1475885534","batt_v":"4.2","sats":"12","vel_v":"5.3","vel_h":"16.5","avg_vel_v":"6.343495244565218","heading":"129.6","temp":"-65","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850334","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850334"},"geometry":{"coordinates":[[-72.81943,42.22532],[-72.81943,42.22532]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20765.1","frame":"1475885534","batt_v":"4.2","sats":"12","vel_v":"5.3","vel_h":"16.5","avg_vel_v":"6.343495244565218","heading":"129.6","temp":"-65","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850334","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850334"},"geometry":{"coordinates":[[-72.81943,42.22532],[-72.81943,42.22532]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20765.1","frame":"1475885534","batt_v":"4.2","sats":"12","vel_v":"5.3","vel_h":"16.5","avg_vel_v":"6.343495244565218","heading":"129.6","temp":"-65","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850334","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850334"},"geometry":{"coordinates":[[-72.81943,42.22532],[-72.81943,42.22532]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20765.1","frame":"1475885534","batt_v":"4.2","sats":"12","vel_v":"5.3","vel_h":"16.5","avg_vel_v":"6.343495244565218","heading":"129.6","temp":"-65","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850334","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850334"},"geometry":{"coordinates":[[-72.81943,42.22532],[-72.81943,42.22532]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20765.1","frame":"1475885534","batt_v":"4.2","sats":"12","vel_v":"5.3","vel_h":"16.5","avg_vel_v":"6.343495244565218","heading":"129.6","temp":"-65","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850334","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850334"},"geometry":{"coordinates":[[-72.81943,42.22532],[-72.81943,42.22532]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20900.4","frame":"1475885555","batt_v":"4.2","sats":"12","vel_v":"6","vel_h":"18.1","avg_vel_v":"6.442894345238095","heading":"145.9","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850355","snr":"6.6","f_error_hz":"488","distance":147}},"timestamp":"1791850355"},"geometry":{"coordinates":[[-72.81943,42.22532],[-72.81626,42.22264]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20900.4","frame":"1475885555","batt_v":"4.2","sats":"12","vel_v":"6","vel_h":"18.1","avg_vel_v":"6.442894345238095","heading":"145.9","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850355","snr":"6.6","f_error_hz":"488","distance":147}},"timestamp":"1791850355"},"geometry":{"coordinates":[[-72.81626,42.22264],[-72.81626,42.22264]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20900.4","frame":"1475885555","batt_v":"4.2","sats":"12","vel_v":"6","vel_h":"18.1","avg_vel_v":"6.442894345238095","heading":"145.9","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850355","snr":"6.6","f_error_hz":"488","distance":147}},"timestamp":"1791850355"},"geometry":{"coordinates":[[-72.81626,42.22264],[-72.81626,42.22264]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20900.4","frame":"1475885555","batt_v":"4.2","sats":"12","vel_v":"6","vel_h":"18.1","avg_vel_v":"6.442894345238095","heading":"145.9","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850355","snr":"6.6","f_error_hz":"488","distance":147}},"timestamp":"1791850355"},"geometry":{"coordinates":[[-72.81626,42.22264],[-72.81626,42.22264]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20900.4","frame":"1475885555","batt_v":"4.2","sats":"12","vel_v":"6","vel_h":"18.1","avg_vel_v":"6.442894345238095","heading":"145.9","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850355","snr":"6.6","f_error_hz":"488","distance":147}},"timestamp":"1791850355"},"geometry":{"coordinates":[[-72.81626,42.22264],[-72.81626,42.22264]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20900.4","frame":"1475885555","batt_v":"4.2","sats":"12","vel_v":"6","vel_h":"18.1","avg_vel_v":"6.442894345238095","heading":"145.9","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850355","snr":"6.6","f_error_hz":"488","distance":147}},"timestamp":"1791850355"},"geometry":{"coordinates":[[-72.81626,42.22264],[-72.81626,42.22264]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20900.4","frame":"1475885555","batt_v":"4.2","sats":"12","vel_v":"6","vel_h":"18.1","avg_vel_v":"6.442894345238095","heading":"145.9","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850355","snr":"6.6","f_error_hz":"488","distance":147}},"timestamp":"1791850355"},"geometry":{"coordinates":[[-72.81626,42.22264],[-72.81626,42.22264]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20900.4","frame":"1475885555","batt_v":"4.2","sats":"12","vel_v":"6","vel_h":"18.1","avg_vel_v":"6.442894345238095","heading":"145.9","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850355","snr":"6.6","f_error_hz":"488","distance":147}},"timestamp":"1791850355"},"geometry":{"coordinates":[[-72.81626,42.22264],[-72.81626,42.22264]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"20900.4","frame":"1475885555","batt_v":"4.2","sats":"12","vel_v":"6","vel_h":"18.1","avg_vel_v":"6.442894345238095","heading":"145.9","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850355","snr":"6.6","f_error_hz":"488","distance":147}},"timestamp":"1791850355"},"geometry":{"coordinates":[[-72.81626,42.22264],[-72.81626,42.22264]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21026.1","frame":"1475885575","batt_v":"4.2","sats":"12","vel_v":"4.5","vel_h":"19","avg_vel_v":"6.2849609375","heading":"141","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850375","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850375"},"geometry":{"coordinates":[[-72.81626,42.22264],[-72.81365,42.22033]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21026.1","frame":"1475885575","batt_v":"4.2","sats":"12","vel_v":"4.5","vel_h":"19","avg_vel_v":"6.2849609375","heading":"141","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850375","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850375"},"geometry":{"coordinates":[[-72.81365,42.22033],[-72.81365,42.22033]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21026.1","frame":"1475885575","batt_v":"4.2","sats":"12","vel_v":"4.5","vel_h":"19","avg_vel_v":"6.2849609375","heading":"141","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850375","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850375"},"geometry":{"coordinates":[[-72.81365,42.22033],[-72.81365,42.22033]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21026.1","frame":"1475885575","batt_v":"4.2","sats":"12","vel_v":"4.5","vel_h":"19","avg_vel_v":"6.2849609375","heading":"141","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850375","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850375"},"geometry":{"coordinates":[[-72.81365,42.22033],[-72.81365,42.22033]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21026.1","frame":"1475885575","batt_v":"4.2","sats":"12","vel_v":"4.5","vel_h":"19","avg_vel_v":"6.2849609375","heading":"141","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850375","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850375"},"geometry":{"coordinates":[[-72.81365,42.22033],[-72.81365,42.22033]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21026.1","frame":"1475885575","batt_v":"4.2","sats":"12","vel_v":"4.5","vel_h":"19","avg_vel_v":"6.2849609375","heading":"141","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850375","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850375"},"geometry":{"coordinates":[[-72.81365,42.22033],[-72.81365,42.22033]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21026.1","frame":"1475885575","batt_v":"4.2","sats":"12","vel_v":"4.5","vel_h":"19","avg_vel_v":"6.2849609375","heading":"141","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850375","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850375"},"geometry":{"coordinates":[[-72.81365,42.22033],[-72.81365,42.22033]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21026.1","frame":"1475885575","batt_v":"4.2","sats":"12","vel_v":"4.5","vel_h":"19","avg_vel_v":"6.2849609375","heading":"141","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850375","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850375"},"geometry":{"coordinates":[[-72.81365,42.22033],[-72.81365,42.22033]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21026.1","frame":"1475885575","batt_v":"4.2","sats":"12","vel_v":"4.5","vel_h":"19","avg_vel_v":"6.2849609375","heading":"141","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850375","snr":"8.9","f_error_hz":"488","distance":147}},"timestamp":"1791850375"},"geometry":{"coordinates":[[-72.81365,42.22033],[-72.81365,42.22033]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81365,42.22033],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21137.5","frame":"1475885594","batt_v":"4.2","sats":"12","vel_v":"3.3","vel_h":"21","avg_vel_v":"5.863178453947368","heading":"141.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850394","snr":"8.2","f_error_hz":"488","distance":147}},"timestamp":"1791850394"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.81159,42.21824]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21431.6","frame":"1475885641","batt_v":"4.2","sats":"12","vel_v":"6","vel_h":"11.2","heading":"172.5","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850441","snr":"6.3","f_error_hz":"488","distance":147}},"timestamp":"1791850441"},"geometry":{"coordinates":[[-72.81159,42.21824],[-72.80766,42.21408]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21431.6","frame":"1475885641","batt_v":"4.2","sats":"12","vel_v":"6","vel_h":"11.2","heading":"172.5","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850441","snr":"6.3","f_error_hz":"488","distance":147}},"timestamp":"1791850441"},"geometry":{"coordinates":[[-72.80766,42.21408],[-72.80766,42.21408]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21431.6","frame":"1475885641","batt_v":"4.2","sats":"12","vel_v":"6","vel_h":"11.2","heading":"172.5","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850441","snr":"6.3","f_error_hz":"488","distance":147}},"timestamp":"1791850441"},"geometry":{"coordinates":[[-72.80766,42.21408],[-72.80766,42.21408]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80766,42.21408],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21447.8","frame":"1475885643","batt_v":"4.2","sats":"12","vel_v":"6.1","vel_h":"12.7","avg_vel_v":"8.1005859375","heading":"132","temp":"-64","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850443","snr":"7.4","f_error_hz":"488","distance":147}},"timestamp":"1791850443"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.80749,42.21392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21851.6","frame":"1475885723","batt_v":"4.2","sats":"11","vel_v":"3.8","vel_h":"21.8","heading":"107.5","temp":"-63.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850523","snr":"7.8","f_error_hz":"488","distance":146}},"timestamp":"1791850523"},"geometry":{"coordinates":[[-72.80749,42.21392],[-72.79412,42.20826]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21851.6","frame":"1475885723","batt_v":"4.2","sats":"11","vel_v":"3.8","vel_h":"21.8","heading":"107.5","temp":"-63.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850523","snr":"7.8","f_error_hz":"488","distance":146}},"timestamp":"1791850523"},"geometry":{"coordinates":[[-72.79412,42.20826],[-72.79412,42.20826]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21851.6","frame":"1475885723","batt_v":"4.2","sats":"11","vel_v":"3.8","vel_h":"21.8","heading":"107.5","temp":"-63.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850523","snr":"7.8","f_error_hz":"488","distance":146}},"timestamp":"1791850523"},"geometry":{"coordinates":[[-72.79412,42.20826],[-72.79412,42.20826]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21851.6","frame":"1475885723","batt_v":"4.2","sats":"11","vel_v":"3.8","vel_h":"21.8","heading":"107.5","temp":"-63.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850523","snr":"7.8","f_error_hz":"488","distance":146}},"timestamp":"1791850523"},"geometry":{"coordinates":[[-72.79412,42.20826],[-72.79412,42.20826]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21851.6","frame":"1475885723","batt_v":"4.2","sats":"11","vel_v":"3.8","vel_h":"21.8","heading":"107.5","temp":"-63.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850523","snr":"7.8","f_error_hz":"488","distance":146}},"timestamp":"1791850523"},"geometry":{"coordinates":[[-72.79412,42.20826],[-72.79412,42.20826]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21851.6","frame":"1475885723","batt_v":"4.2","sats":"11","vel_v":"3.8","vel_h":"21.8","heading":"107.5","temp":"-63.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850523","snr":"7.8","f_error_hz":"488","distance":146}},"timestamp":"1791850523"},"geometry":{"coordinates":[[-72.79412,42.20826],[-72.79412,42.20826]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21851.6","frame":"1475885723","batt_v":"4.2","sats":"11","vel_v":"3.8","vel_h":"21.8","heading":"107.5","temp":"-63.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850523","snr":"7.8","f_error_hz":"488","distance":146}},"timestamp":"1791850523"},"geometry":{"coordinates":[[-72.79412,42.20826],[-72.79412,42.20826]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21851.6","frame":"1475885723","batt_v":"4.2","sats":"11","vel_v":"3.8","vel_h":"21.8","heading":"107.5","temp":"-63.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850523","snr":"7.8","f_error_hz":"488","distance":146}},"timestamp":"1791850523"},"geometry":{"coordinates":[[-72.79412,42.20826],[-72.79412,42.20826]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21851.6","frame":"1475885723","batt_v":"4.2","sats":"11","vel_v":"3.8","vel_h":"21.8","heading":"107.5","temp":"-63.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850523","snr":"7.8","f_error_hz":"488","distance":146}},"timestamp":"1791850523"},"geometry":{"coordinates":[[-72.79412,42.20826],[-72.79412,42.20826]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21944.4","frame":"1475885747","batt_v":"4.2","sats":"11","vel_v":"3.5","vel_h":"17.6","avg_vel_v":"3.86669921875","heading":"127.5","temp":"-62.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850547","snr":"6.9","f_error_hz":"488","distance":145}},"timestamp":"1791850547"},"geometry":{"coordinates":[[-72.79412,42.20826],[-72.78928,42.20653]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78928,42.20653],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"21948.5","dashArray":"8","frame":"1475885748","batt_v":"4.2","sats":"11","vel_v":"4.6","vel_h":"17.6","avg_vel_v":"3.876015625","heading":"128.1","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850548","snr":"7.5","f_error_hz":"488","distance":145}},"timestamp":"1791850548"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.78911,42.20643]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.78911,42.20643],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"22349","dashArray":"8","frame":"1475885959","batt_v":"4.1","sats":"12","vel_v":"-3","vel_h":"20.3","heading":"120","temp":"-60.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791850759","snr":"5.7","f_error_hz":"488","distance":142}},"timestamp":"1791850759"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.74553,42.18698]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19017.1","dashArray":"8","frame":"1475886715","batt_v":"3.9","sats":"11","vel_v":"-3.4","vel_h":"14.2","heading":"154.2","temp":"-63.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851515","snr":"9.9","f_error_hz":"585","distance":134}},"timestamp":"1791851515"},"geometry":{"coordinates":[[-72.74553,42.18698],[-72.62909,42.12199]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19017.1","frame":"1475886715","batt_v":"3.9","sats":"11","vel_v":"-3.4","vel_h":"14.2","heading":"154.2","temp":"-63.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851515","snr":"9.9","f_error_hz":"585","distance":134}},"timestamp":"1791851515"},"geometry":{"coordinates":[[-72.62909,42.12199],[-72.62909,42.12199]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19017.1","frame":"1475886715","batt_v":"3.9","sats":"11","vel_v":"-3.4","vel_h":"14.2","heading":"154.2","temp":"-63.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851515","snr":"9.9","f_error_hz":"585","distance":134}},"timestamp":"1791851515"},"geometry":{"coordinates":[[-72.62909,42.12199],[-72.62909,42.12199]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"19005.7","frame":"1475886718","batt_v":"3.9","sats":"11","vel_v":"-5.1","vel_h":"13.5","avg_vel_v":"-3.8001302083333335","heading":"155.6","temp":"-63.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851518","snr":"9.1","f_error_hz":"585","distance":134}},"timestamp":"1791851518"},"geometry":{"coordinates":[[-72.62909,42.12199],[-72.62883,42.12174]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18990","frame":"1475886722","batt_v":"3.9","sats":"11","vel_v":"-5.1","vel_h":"17.1","avg_vel_v":"-3.871372767857143","heading":"163.3","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851522","snr":"8.5","f_error_hz":"585","distance":134}},"timestamp":"1791851522"},"geometry":{"coordinates":[[-72.62883,42.12174],[-72.62852,42.12135]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18990","frame":"1475886722","batt_v":"3.9","sats":"11","vel_v":"-5.1","vel_h":"17.1","avg_vel_v":"-3.871372767857143","heading":"163.3","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851522","snr":"8.5","f_error_hz":"585","distance":134}},"timestamp":"1791851522"},"geometry":{"coordinates":[[-72.62852,42.12135],[-72.62852,42.12135]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18977.4","frame":"1475886725","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"15","avg_vel_v":"-3.969921875","heading":"160.3","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851525","snr":"6.7","f_error_hz":"585","distance":134}},"timestamp":"1791851525"},"geometry":{"coordinates":[[-72.62852,42.12135],[-72.62825,42.12105]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18961.3","frame":"1475886729","batt_v":"3.9","sats":"11","vel_v":"-4.4","vel_h":"18.8","avg_vel_v":"-3.985630580357143","heading":"147.8","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851529","snr":"6.2","f_error_hz":"585","distance":134}},"timestamp":"1791851529"},"geometry":{"coordinates":[[-72.62825,42.12105],[-72.62788,42.12057]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18935.6","frame":"1475886736","batt_v":"3.9","sats":"11","vel_v":"-5.3","vel_h":"15.5","avg_vel_v":"-3.880952380952381","heading":"143.6","temp":"-64.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851536","snr":"8.2","f_error_hz":"585","distance":134}},"timestamp":"1791851536"},"geometry":{"coordinates":[[-72.62788,42.12057],[-72.62724,42.11972]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18935.6","frame":"1475886736","batt_v":"3.9","sats":"11","vel_v":"-5.3","vel_h":"15.5","avg_vel_v":"-3.880952380952381","heading":"143.6","temp":"-64.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851536","snr":"8.2","f_error_hz":"585","distance":134}},"timestamp":"1791851536"},"geometry":{"coordinates":[[-72.62724,42.11972],[-72.62724,42.11972]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18935.6","frame":"1475886736","batt_v":"3.9","sats":"11","vel_v":"-5.3","vel_h":"15.5","avg_vel_v":"-3.880952380952381","heading":"143.6","temp":"-64.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851536","snr":"8.2","f_error_hz":"585","distance":134}},"timestamp":"1791851536"},"geometry":{"coordinates":[[-72.62724,42.11972],[-72.62724,42.11972]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18935.6","frame":"1475886736","batt_v":"3.9","sats":"11","vel_v":"-5.3","vel_h":"15.5","avg_vel_v":"-3.880952380952381","heading":"143.6","temp":"-64.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851536","snr":"8.2","f_error_hz":"585","distance":134}},"timestamp":"1791851536"},"geometry":{"coordinates":[[-72.62724,42.11972],[-72.62724,42.11972]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18935.6","frame":"1475886736","batt_v":"3.9","sats":"11","vel_v":"-5.3","vel_h":"15.5","avg_vel_v":"-3.880952380952381","heading":"143.6","temp":"-64.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851536","snr":"8.2","f_error_hz":"585","distance":134}},"timestamp":"1791851536"},"geometry":{"coordinates":[[-72.62724,42.11972],[-72.62724,42.11972]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18935.6","frame":"1475886736","batt_v":"3.9","sats":"11","vel_v":"-5.3","vel_h":"15.5","avg_vel_v":"-3.880952380952381","heading":"143.6","temp":"-64.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851536","snr":"8.2","f_error_hz":"585","distance":134}},"timestamp":"1791851536"},"geometry":{"coordinates":[[-72.62724,42.11972],[-72.62724,42.11972]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18935.6","frame":"1475886736","batt_v":"3.9","sats":"11","vel_v":"-5.3","vel_h":"15.5","avg_vel_v":"-3.880952380952381","heading":"143.6","temp":"-64.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851536","snr":"8.2","f_error_hz":"585","distance":134}},"timestamp":"1791851536"},"geometry":{"coordinates":[[-72.62724,42.11972],[-72.62724,42.11972]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18935.6","frame":"1475886736","batt_v":"3.9","sats":"11","vel_v":"-5.3","vel_h":"15.5","avg_vel_v":"-3.880952380952381","heading":"143.6","temp":"-64.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851536","snr":"8.2","f_error_hz":"585","distance":134}},"timestamp":"1791851536"},"geometry":{"coordinates":[[-72.62724,42.11972],[-72.62724,42.11972]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18856.2","frame":"1475886757","batt_v":"3.9","sats":"11","vel_v":"-3.2","vel_h":"19.7","avg_vel_v":"-3.753627232142857","heading":"147.2","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851557","snr":"8.9","f_error_hz":"585","distance":134}},"timestamp":"1791851557"},"geometry":{"coordinates":[[-72.62724,42.11972],[-72.62516,42.11694]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18856.2","frame":"1475886757","batt_v":"3.9","sats":"11","vel_v":"-3.2","vel_h":"19.7","avg_vel_v":"-3.753627232142857","heading":"147.2","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851557","snr":"8.9","f_error_hz":"585","distance":134}},"timestamp":"1791851557"},"geometry":{"coordinates":[[-72.62516,42.11694],[-72.62516,42.11694]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18856.2","frame":"1475886757","batt_v":"3.9","sats":"11","vel_v":"-3.2","vel_h":"19.7","avg_vel_v":"-3.753627232142857","heading":"147.2","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851557","snr":"8.9","f_error_hz":"585","distance":134}},"timestamp":"1791851557"},"geometry":{"coordinates":[[-72.62516,42.11694],[-72.62516,42.11694]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18849","frame":"1475886759","batt_v":"3.9","sats":"11","vel_v":"-3.6","vel_h":"14.5","avg_vel_v":"-3.765200407608696","heading":"149.6","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851559","snr":"7.9","f_error_hz":"585","distance":134}},"timestamp":"1791851559"},"geometry":{"coordinates":[[-72.62516,42.11694],[-72.62498,42.11666]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18830.8","frame":"1475886764","batt_v":"3.9","sats":"11","vel_v":"-3.9","vel_h":"19.3","avg_vel_v":"-3.7428152901785716","heading":"156.3","temp":"-64.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851564","snr":"8.7","f_error_hz":"585","distance":134}},"timestamp":"1791851564"},"geometry":{"coordinates":[[-72.62498,42.11666],[-72.6245,42.11598]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18819.5","frame":"1475886767","batt_v":"3.9","sats":"11","vel_v":"-3.3","vel_h":"18.9","avg_vel_v":"-3.669921875","heading":"150.6","temp":"-64.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851567","snr":"9.2","f_error_hz":"585","distance":134}},"timestamp":"1791851567"},"geometry":{"coordinates":[[-72.6245,42.11598],[-72.62422,42.11558]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18819.5","frame":"1475886767","batt_v":"3.9","sats":"11","vel_v":"-3.3","vel_h":"18.9","avg_vel_v":"-3.669921875","heading":"150.6","temp":"-64.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851567","snr":"9.2","f_error_hz":"585","distance":134}},"timestamp":"1791851567"},"geometry":{"coordinates":[[-72.62422,42.11558],[-72.62422,42.11558]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18807.4","frame":"1475886770","batt_v":"3.9","sats":"11","vel_v":"-5","vel_h":"19.4","avg_vel_v":"-3.7537560096153846","heading":"147.6","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851570","snr":"10.1","f_error_hz":"488","distance":134}},"timestamp":"1791851570"},"geometry":{"coordinates":[[-72.62422,42.11558],[-72.62395,42.11518]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18795.1","frame":"1475886773","batt_v":"3.9","sats":"11","vel_v":"-4","vel_h":"17.2","avg_vel_v":"-3.8187255859375","heading":"145.2","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851573","snr":"9.3","f_error_hz":"488","distance":134}},"timestamp":"1791851573"},"geometry":{"coordinates":[[-72.62395,42.11518],[-72.62364,42.11476]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18795.1","frame":"1475886773","batt_v":"3.9","sats":"11","vel_v":"-4","vel_h":"17.2","avg_vel_v":"-3.8187255859375","heading":"145.2","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851573","snr":"9.3","f_error_hz":"488","distance":134}},"timestamp":"1791851573"},"geometry":{"coordinates":[[-72.62364,42.11476],[-72.62364,42.11476]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18759","frame":"1475886782","batt_v":"3.9","sats":"11","vel_v":"-4.3","vel_h":"17.1","avg_vel_v":"-3.88796875","heading":"155.1","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851582","snr":"10.2","f_error_hz":"585","distance":134}},"timestamp":"1791851582"},"geometry":{"coordinates":[[-72.62364,42.11476],[-72.62268,42.11345]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18759","frame":"1475886782","batt_v":"3.9","sats":"11","vel_v":"-4.3","vel_h":"17.1","avg_vel_v":"-3.88796875","heading":"155.1","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851582","snr":"10.2","f_error_hz":"585","distance":134}},"timestamp":"1791851582"},"geometry":{"coordinates":[[-72.62268,42.11345],[-72.62268,42.11345]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18759","frame":"1475886782","batt_v":"3.9","sats":"11","vel_v":"-4.3","vel_h":"17.1","avg_vel_v":"-3.88796875","heading":"155.1","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851582","snr":"10.2","f_error_hz":"585","distance":134}},"timestamp":"1791851582"},"geometry":{"coordinates":[[-72.62268,42.11345],[-72.62268,42.11345]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18747.8","frame":"1475886785","batt_v":"3.9","sats":"11","vel_v":"-2.6","vel_h":"18.3","avg_vel_v":"-3.871372767857143","heading":"160.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851585","snr":"9.4","f_error_hz":"488","distance":134}},"timestamp":"1791851585"},"geometry":{"coordinates":[[-72.62268,42.11345],[-72.62233,42.11302]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18747.8","frame":"1475886785","batt_v":"3.9","sats":"11","vel_v":"-2.6","vel_h":"18.3","avg_vel_v":"-3.871372767857143","heading":"160.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851585","snr":"9.4","f_error_hz":"488","distance":134}},"timestamp":"1791851585"},"geometry":{"coordinates":[[-72.62233,42.11302],[-72.62233,42.11302]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18747.8","frame":"1475886785","batt_v":"3.9","sats":"11","vel_v":"-2.6","vel_h":"18.3","avg_vel_v":"-3.871372767857143","heading":"160.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851585","snr":"9.4","f_error_hz":"488","distance":134}},"timestamp":"1791851585"},"geometry":{"coordinates":[[-72.62233,42.11302],[-72.62233,42.11302]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18747.8","frame":"1475886785","batt_v":"3.9","sats":"11","vel_v":"-2.6","vel_h":"18.3","avg_vel_v":"-3.871372767857143","heading":"160.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851585","snr":"9.4","f_error_hz":"488","distance":134}},"timestamp":"1791851585"},"geometry":{"coordinates":[[-72.62233,42.11302],[-72.62233,42.11302]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18747.8","frame":"1475886785","batt_v":"3.9","sats":"11","vel_v":"-2.6","vel_h":"18.3","avg_vel_v":"-3.871372767857143","heading":"160.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851585","snr":"9.4","f_error_hz":"488","distance":134}},"timestamp":"1791851585"},"geometry":{"coordinates":[[-72.62233,42.11302],[-72.62233,42.11302]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18686.6","frame":"1475886802","batt_v":"3.9","sats":"10","vel_v":"-4.2","vel_h":"15.5","avg_vel_v":"-3.7413793103448274","heading":"137","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851602","snr":"8.1","f_error_hz":"585","distance":133}},"timestamp":"1791851602"},"geometry":{"coordinates":[[-72.62233,42.11302],[-72.62014,42.11064]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18686.6","frame":"1475886802","batt_v":"3.9","sats":"10","vel_v":"-4.2","vel_h":"15.5","avg_vel_v":"-3.7413793103448274","heading":"137","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851602","snr":"8.1","f_error_hz":"585","distance":133}},"timestamp":"1791851602"},"geometry":{"coordinates":[[-72.62014,42.11064],[-72.62014,42.11064]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18686.6","frame":"1475886802","batt_v":"3.9","sats":"10","vel_v":"-4.2","vel_h":"15.5","avg_vel_v":"-3.7413793103448274","heading":"137","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851602","snr":"8.1","f_error_hz":"585","distance":133}},"timestamp":"1791851602"},"geometry":{"coordinates":[[-72.62014,42.11064],[-72.62014,42.11064]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18675.8","frame":"1475886805","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"16.1","avg_vel_v":"-3.617357336956522","heading":"144.1","temp":"-64.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851605","snr":"8.7","f_error_hz":"585","distance":133}},"timestamp":"1791851605"},"geometry":{"coordinates":[[-72.62014,42.11064],[-72.61974,42.11021]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18660.8","frame":"1475886809","batt_v":"3.9","sats":"11","vel_v":"-4","vel_h":"19.5","avg_vel_v":"-3.6370081018518516","heading":"133.8","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851609","snr":"9","f_error_hz":"488","distance":133}},"timestamp":"1791851609"},"geometry":{"coordinates":[[-72.61974,42.11021],[-72.6192,42.10967]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18653.5","frame":"1475886811","batt_v":"3.9","sats":"11","vel_v":"-3.5","vel_h":"16.8","avg_vel_v":"-3.6379310344827585","heading":"154.9","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851611","snr":"9.6","f_error_hz":"585","distance":133}},"timestamp":"1791851611"},"geometry":{"coordinates":[[-72.6192,42.10967],[-72.61893,42.10936]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18637.9","frame":"1475886815","batt_v":"3.9","sats":"11","vel_v":"-3.3","vel_h":"16.5","avg_vel_v":"-3.74609375","heading":"138.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851615","snr":"9.8","f_error_hz":"488","distance":133}},"timestamp":"1791851615"},"geometry":{"coordinates":[[-72.61893,42.10936],[-72.61841,42.10881]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18637.9","frame":"1475886815","batt_v":"3.9","sats":"11","vel_v":"-3.3","vel_h":"16.5","avg_vel_v":"-3.74609375","heading":"138.2","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851615","snr":"9.8","f_error_hz":"488","distance":133}},"timestamp":"1791851615"},"geometry":{"coordinates":[[-72.61841,42.10881],[-72.61841,42.10881]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18619.7","frame":"1475886820","batt_v":"3.9","sats":"11","vel_v":"-4","vel_h":"21.1","avg_vel_v":"-3.7166883680555554","heading":"154.9","temp":"-64.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851620","snr":"10.5","f_error_hz":"585","distance":133}},"timestamp":"1791851620"},"geometry":{"coordinates":[[-72.61841,42.10881],[-72.61772,42.10809]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18600.8","frame":"1475886825","batt_v":"3.9","sats":"11","vel_v":"-3.7","vel_h":"19.1","avg_vel_v":"-3.7303838315217392","heading":"133.5","temp":"-64.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851625","snr":"9.7","f_error_hz":"488","distance":133}},"timestamp":"1791851625"},"geometry":{"coordinates":[[-72.61772,42.10809],[-72.61709,42.10741]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18600.8","frame":"1475886825","batt_v":"3.9","sats":"11","vel_v":"-3.7","vel_h":"19.1","avg_vel_v":"-3.7303838315217392","heading":"133.5","temp":"-64.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851625","snr":"9.7","f_error_hz":"488","distance":133}},"timestamp":"1791851625"},"geometry":{"coordinates":[[-72.61709,42.10741],[-72.61709,42.10741]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18600.8","frame":"1475886825","batt_v":"3.9","sats":"11","vel_v":"-3.7","vel_h":"19.1","avg_vel_v":"-3.7303838315217392","heading":"133.5","temp":"-64.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851625","snr":"9.7","f_error_hz":"488","distance":133}},"timestamp":"1791851625"},"geometry":{"coordinates":[[-72.61709,42.10741],[-72.61709,42.10741]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18581.6","frame":"1475886830","batt_v":"3.9","sats":"11","vel_v":"-4.3","vel_h":"17.5","avg_vel_v":"-3.75","heading":"158.5","temp":"-64.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851630","snr":"10.1","f_error_hz":"585","distance":133}},"timestamp":"1791851630"},"geometry":{"coordinates":[[-72.61709,42.10741],[-72.61643,42.10671]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18570.2","frame":"1475886833","batt_v":"3.9","sats":"11","vel_v":"-3.8","vel_h":"18.7","avg_vel_v":"-3.771484375","heading":"155.5","temp":"-64.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851633","snr":"9.4","f_error_hz":"488","distance":133}},"timestamp":"1791851633"},"geometry":{"coordinates":[[-72.61643,42.10671],[-72.61604,42.1063]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18558.5","frame":"1475886836","batt_v":"3.9","sats":"11","vel_v":"-3.4","vel_h":"20.1","avg_vel_v":"-3.788917824074074","heading":"154.3","temp":"-64.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851636","snr":"8.6","f_error_hz":"585","distance":133}},"timestamp":"1791851636"},"geometry":{"coordinates":[[-72.61604,42.1063],[-72.61565,42.1059]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18542.3","frame":"1475886840","batt_v":"3.9","sats":"11","vel_v":"-3.2","vel_h":"16.9","avg_vel_v":"-3.8344558189655173","heading":"148.4","temp":"-64.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851640","snr":"10.3","f_error_hz":"585","distance":133}},"timestamp":"1791851640"},"geometry":{"coordinates":[[-72.61565,42.1059],[-72.61512,42.10535]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18542.3","frame":"1475886840","batt_v":"3.9","sats":"11","vel_v":"-3.2","vel_h":"16.9","avg_vel_v":"-3.8344558189655173","heading":"148.4","temp":"-64.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851640","snr":"10.3","f_error_hz":"585","distance":133}},"timestamp":"1791851640"},"geometry":{"coordinates":[[-72.61512,42.10535],[-72.61512,42.10535]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18529.5","frame":"1475886843","batt_v":"3.9","sats":"11","vel_v":"-5.1","vel_h":"16.9","avg_vel_v":"-3.8714425223214284","heading":"149.3","temp":"-64.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851643","snr":"10.8","f_error_hz":"585","distance":133}},"timestamp":"1791851643"},"geometry":{"coordinates":[[-72.61512,42.10535],[-72.61467,42.10494]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18500.5","frame":"1475886850","batt_v":"3.9","sats":"11","vel_v":"-5.2","vel_h":"17.3","avg_vel_v":"-4.01203125","heading":"139.1","temp":"-64.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851650","snr":"5.6","f_error_hz":"585","distance":133}},"timestamp":"1791851650"},"geometry":{"coordinates":[[-72.61467,42.10494],[-72.61369,42.10397]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18500.5","frame":"1475886850","batt_v":"3.9","sats":"11","vel_v":"-5.2","vel_h":"17.3","avg_vel_v":"-4.01203125","heading":"139.1","temp":"-64.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851650","snr":"5.6","f_error_hz":"585","distance":133}},"timestamp":"1791851650"},"geometry":{"coordinates":[[-72.61369,42.10397],[-72.61369,42.10397]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18500.5","frame":"1475886850","batt_v":"3.9","sats":"11","vel_v":"-5.2","vel_h":"17.3","avg_vel_v":"-4.01203125","heading":"139.1","temp":"-64.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851650","snr":"5.6","f_error_hz":"585","distance":133}},"timestamp":"1791851650"},"geometry":{"coordinates":[[-72.61369,42.10397],[-72.61369,42.10397]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18483.1","frame":"1475886854","batt_v":"3.9","sats":"11","vel_v":"-6.1","vel_h":"19.6","avg_vel_v":"-4.058661099137931","heading":"128.5","temp":"-64.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851654","snr":"7.3","f_error_hz":"585","distance":133}},"timestamp":"1791851654"},"geometry":{"coordinates":[[-72.61369,42.10397],[-72.61309,42.10343]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18483.1","frame":"1475886854","batt_v":"3.9","sats":"11","vel_v":"-6.1","vel_h":"19.6","avg_vel_v":"-4.058661099137931","heading":"128.5","temp":"-64.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851654","snr":"7.3","f_error_hz":"585","distance":133}},"timestamp":"1791851654"},"geometry":{"coordinates":[[-72.61309,42.10343],[-72.61309,42.10343]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18483.1","frame":"1475886854","batt_v":"3.9","sats":"11","vel_v":"-6.1","vel_h":"19.6","avg_vel_v":"-4.058661099137931","heading":"128.5","temp":"-64.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851654","snr":"7.3","f_error_hz":"585","distance":133}},"timestamp":"1791851654"},"geometry":{"coordinates":[[-72.61309,42.10343],[-72.61309,42.10343]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18483.1","frame":"1475886854","batt_v":"3.9","sats":"11","vel_v":"-6.1","vel_h":"19.6","avg_vel_v":"-4.058661099137931","heading":"128.5","temp":"-64.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851654","snr":"7.3","f_error_hz":"585","distance":133}},"timestamp":"1791851654"},"geometry":{"coordinates":[[-72.61309,42.10343],[-72.61309,42.10343]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18483.1","frame":"1475886854","batt_v":"3.9","sats":"11","vel_v":"-6.1","vel_h":"19.6","avg_vel_v":"-4.058661099137931","heading":"128.5","temp":"-64.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851654","snr":"7.3","f_error_hz":"585","distance":133}},"timestamp":"1791851654"},"geometry":{"coordinates":[[-72.61309,42.10343],[-72.61309,42.10343]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18409.8","frame":"1475886871","batt_v":"3.9","sats":"11","vel_v":"-5.2","vel_h":"22.2","avg_vel_v":"-4.274972098214286","heading":"133.4","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851671","snr":"6.7","f_error_hz":"585","distance":133}},"timestamp":"1791851671"},"geometry":{"coordinates":[[-72.61309,42.10343],[-72.61039,42.10127]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18409.8","frame":"1475886871","batt_v":"3.9","sats":"11","vel_v":"-5.2","vel_h":"22.2","avg_vel_v":"-4.274972098214286","heading":"133.4","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851671","snr":"6.7","f_error_hz":"585","distance":133}},"timestamp":"1791851671"},"geometry":{"coordinates":[[-72.61039,42.10127],[-72.61039,42.10127]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18409.8","frame":"1475886871","batt_v":"3.9","sats":"11","vel_v":"-5.2","vel_h":"22.2","avg_vel_v":"-4.274972098214286","heading":"133.4","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851671","snr":"6.7","f_error_hz":"585","distance":133}},"timestamp":"1791851671"},"geometry":{"coordinates":[[-72.61039,42.10127],[-72.61039,42.10127]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18409.8","frame":"1475886871","batt_v":"3.9","sats":"11","vel_v":"-5.2","vel_h":"22.2","avg_vel_v":"-4.274972098214286","heading":"133.4","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851671","snr":"6.7","f_error_hz":"585","distance":133}},"timestamp":"1791851671"},"geometry":{"coordinates":[[-72.61039,42.10127],[-72.61039,42.10127]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18409.8","frame":"1475886871","batt_v":"3.9","sats":"11","vel_v":"-5.2","vel_h":"22.2","avg_vel_v":"-4.274972098214286","heading":"133.4","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851671","snr":"6.7","f_error_hz":"585","distance":133}},"timestamp":"1791851671"},"geometry":{"coordinates":[[-72.61039,42.10127],[-72.61039,42.10127]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18409.8","frame":"1475886871","batt_v":"3.9","sats":"11","vel_v":"-5.2","vel_h":"22.2","avg_vel_v":"-4.274972098214286","heading":"133.4","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851671","snr":"6.7","f_error_hz":"585","distance":133}},"timestamp":"1791851671"},"geometry":{"coordinates":[[-72.61039,42.10127],[-72.61039,42.10127]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18409.8","frame":"1475886871","batt_v":"3.9","sats":"11","vel_v":"-5.2","vel_h":"22.2","avg_vel_v":"-4.274972098214286","heading":"133.4","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851671","snr":"6.7","f_error_hz":"585","distance":133}},"timestamp":"1791851671"},"geometry":{"coordinates":[[-72.61039,42.10127],[-72.61039,42.10127]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18409.8","frame":"1475886871","batt_v":"3.9","sats":"11","vel_v":"-5.2","vel_h":"22.2","avg_vel_v":"-4.274972098214286","heading":"133.4","temp":"-65.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851671","snr":"6.7","f_error_hz":"585","distance":133}},"timestamp":"1791851671"},"geometry":{"coordinates":[[-72.61039,42.10127],[-72.61039,42.10127]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18312.2","frame":"1475886893","batt_v":"3.9","sats":"11","vel_v":"-5.6","vel_h":"20","avg_vel_v":"-4.436434659090909","heading":"130.9","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851693","snr":"7.2","f_error_hz":"585","distance":133}},"timestamp":"1791851693"},"geometry":{"coordinates":[[-72.61039,42.10127],[-72.60622,42.09813]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18312.2","frame":"1475886893","batt_v":"3.9","sats":"11","vel_v":"-5.6","vel_h":"20","avg_vel_v":"-4.436434659090909","heading":"130.9","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851693","snr":"7.2","f_error_hz":"585","distance":133}},"timestamp":"1791851693"},"geometry":{"coordinates":[[-72.60622,42.09813],[-72.60622,42.09813]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18312.2","frame":"1475886893","batt_v":"3.9","sats":"11","vel_v":"-5.6","vel_h":"20","avg_vel_v":"-4.436434659090909","heading":"130.9","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851693","snr":"7.2","f_error_hz":"585","distance":133}},"timestamp":"1791851693"},"geometry":{"coordinates":[[-72.60622,42.09813],[-72.60622,42.09813]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18312.2","frame":"1475886893","batt_v":"3.9","sats":"11","vel_v":"-5.6","vel_h":"20","avg_vel_v":"-4.436434659090909","heading":"130.9","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851693","snr":"7.2","f_error_hz":"585","distance":133}},"timestamp":"1791851693"},"geometry":{"coordinates":[[-72.60622,42.09813],[-72.60622,42.09813]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18312.2","frame":"1475886893","batt_v":"3.9","sats":"11","vel_v":"-5.6","vel_h":"20","avg_vel_v":"-4.436434659090909","heading":"130.9","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851693","snr":"7.2","f_error_hz":"585","distance":133}},"timestamp":"1791851693"},"geometry":{"coordinates":[[-72.60622,42.09813],[-72.60622,42.09813]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18312.2","frame":"1475886893","batt_v":"3.9","sats":"11","vel_v":"-5.6","vel_h":"20","avg_vel_v":"-4.436434659090909","heading":"130.9","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851693","snr":"7.2","f_error_hz":"585","distance":133}},"timestamp":"1791851693"},"geometry":{"coordinates":[[-72.60622,42.09813],[-72.60622,42.09813]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18312.2","frame":"1475886893","batt_v":"3.9","sats":"11","vel_v":"-5.6","vel_h":"20","avg_vel_v":"-4.436434659090909","heading":"130.9","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851693","snr":"7.2","f_error_hz":"585","distance":133}},"timestamp":"1791851693"},"geometry":{"coordinates":[[-72.60622,42.09813],[-72.60622,42.09813]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18312.2","frame":"1475886893","batt_v":"3.9","sats":"11","vel_v":"-5.6","vel_h":"20","avg_vel_v":"-4.436434659090909","heading":"130.9","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851693","snr":"7.2","f_error_hz":"585","distance":133}},"timestamp":"1791851693"},"geometry":{"coordinates":[[-72.60622,42.09813],[-72.60622,42.09813]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18312.2","frame":"1475886893","batt_v":"3.9","sats":"11","vel_v":"-5.6","vel_h":"20","avg_vel_v":"-4.436434659090909","heading":"130.9","temp":"-65.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851693","snr":"7.2","f_error_hz":"585","distance":133}},"timestamp":"1791851693"},"geometry":{"coordinates":[[-72.60622,42.09813],[-72.60622,42.09813]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60622,42.09813],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"18215.1","frame":"1475886914","batt_v":"3.9","sats":"11","vel_v":"-4.1","vel_h":"21.9","avg_vel_v":"-4.6237909226190474","heading":"128","temp":"-65.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851714","snr":"6.1","f_error_hz":"488","distance":132}},"timestamp":"1791851714"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.60212,42.09536]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.60212,42.09536],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17921.8","frame":"1475886975","batt_v":"3.8","sats":"11","vel_v":"-5.3","vel_h":"22.6","heading":"134.4","temp":"-65.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851775","snr":"6.8","f_error_hz":"488","distance":132}},"timestamp":"1791851775"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.59095,42.08783]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17400.4","frame":"1475887087","batt_v":"3.8","sats":"11","vel_v":"-4.5","vel_h":"26.4","heading":"132.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851887","snr":"6.6","f_error_hz":"585","distance":131}},"timestamp":"1791851887"},"geometry":{"coordinates":[[-72.59095,42.08783],[-72.57134,42.07129]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17400.4","frame":"1475887087","batt_v":"3.8","sats":"11","vel_v":"-4.5","vel_h":"26.4","heading":"132.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851887","snr":"6.6","f_error_hz":"585","distance":131}},"timestamp":"1791851887"},"geometry":{"coordinates":[[-72.57134,42.07129],[-72.57134,42.07129]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17400.4","frame":"1475887087","batt_v":"3.8","sats":"11","vel_v":"-4.5","vel_h":"26.4","heading":"132.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851887","snr":"6.6","f_error_hz":"585","distance":131}},"timestamp":"1791851887"},"geometry":{"coordinates":[[-72.57134,42.07129],[-72.57134,42.07129]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57134,42.07129],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17387.4","frame":"1475887090","batt_v":"3.8","sats":"11","vel_v":"-4","vel_h":"25.8","avg_vel_v":"-4.333333333333333","heading":"130.4","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851890","snr":"5.8","f_error_hz":"585","distance":131}},"timestamp":"1791851890"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.57064,42.07087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17124.3","frame":"1475887151","batt_v":"3.8","sats":"12","vel_v":"-4.5","vel_h":"20.4","heading":"123.2","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851951","snr":"6.5","f_error_hz":"585","distance":130}},"timestamp":"1791851951"},"geometry":{"coordinates":[[-72.57064,42.07087],[-72.55682,42.0625]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17124.3","frame":"1475887151","batt_v":"3.8","sats":"12","vel_v":"-4.5","vel_h":"20.4","heading":"123.2","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851951","snr":"6.5","f_error_hz":"585","distance":130}},"timestamp":"1791851951"},"geometry":{"coordinates":[[-72.55682,42.0625],[-72.55682,42.0625]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17115.1","frame":"1475887153","batt_v":"3.8","sats":"12","vel_v":"-3.7","vel_h":"26.1","avg_vel_v":"-4.6005859375","heading":"136.5","temp":"-64.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851953","snr":"7.7","f_error_hz":"585","distance":130}},"timestamp":"1791851953"},"geometry":{"coordinates":[[-72.55682,42.0625],[-72.55635,42.06223]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17096.5","frame":"1475887157","batt_v":"3.8","sats":"12","vel_v":"-3.4","vel_h":"22.7","avg_vel_v":"-4.633463541666667","heading":"132.6","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851957","snr":"8.3","f_error_hz":"585","distance":130}},"timestamp":"1791851957"},"geometry":{"coordinates":[[-72.55635,42.06223],[-72.55548,42.06168]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17096.5","frame":"1475887157","batt_v":"3.8","sats":"12","vel_v":"-3.4","vel_h":"22.7","avg_vel_v":"-4.633463541666667","heading":"132.6","temp":"-64.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851957","snr":"8.3","f_error_hz":"585","distance":130}},"timestamp":"1791851957"},"geometry":{"coordinates":[[-72.55548,42.06168],[-72.55548,42.06168]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17078.5","frame":"1475887161","batt_v":"3.8","sats":"12","vel_v":"-5.5","vel_h":"24.4","avg_vel_v":"-4.580078125","heading":"124.6","temp":"-64.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851961","snr":"8.1","f_error_hz":"585","distance":130}},"timestamp":"1791851961"},"geometry":{"coordinates":[[-72.55548,42.06168],[-72.55456,42.06114]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17078.5","frame":"1475887161","batt_v":"3.8","sats":"12","vel_v":"-5.5","vel_h":"24.4","avg_vel_v":"-4.580078125","heading":"124.6","temp":"-64.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851961","snr":"8.1","f_error_hz":"585","distance":130}},"timestamp":"1791851961"},"geometry":{"coordinates":[[-72.55456,42.06114],[-72.55456,42.06114]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17055.5","frame":"1475887166","batt_v":"3.8","sats":"12","vel_v":"-4.7","vel_h":"25.8","avg_vel_v":"-4.58671875","heading":"132.8","temp":"-64.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851966","snr":"7.1","f_error_hz":"585","distance":130}},"timestamp":"1791851966"},"geometry":{"coordinates":[[-72.55456,42.06114],[-72.55338,42.06044]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55338,42.06044],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"17020.4","frame":"1475887174","batt_v":"3.8","sats":"12","vel_v":"-3.9","vel_h":"22","avg_vel_v":"-4.5174082880434785","heading":"123.7","temp":"-64.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791851974","snr":"6.5","f_error_hz":"585","distance":129}},"timestamp":"1791851974"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.55156,42.05935]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16513.9","frame":"1475887281","batt_v":"3.8","sats":"10","vel_v":"-6.6","vel_h":"27","heading":"125.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852081","snr":"5.1","f_error_hz":"585","distance":128}},"timestamp":"1791852081"},"geometry":{"coordinates":[[-72.55156,42.05935],[-72.52536,42.04514]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16513.9","frame":"1475887281","batt_v":"3.8","sats":"10","vel_v":"-6.6","vel_h":"27","heading":"125.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852081","snr":"5.1","f_error_hz":"585","distance":128}},"timestamp":"1791852081"},"geometry":{"coordinates":[[-72.52536,42.04514],[-72.52536,42.04514]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16513.9","frame":"1475887281","batt_v":"3.8","sats":"10","vel_v":"-6.6","vel_h":"27","heading":"125.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852081","snr":"5.1","f_error_hz":"585","distance":128}},"timestamp":"1791852081"},"geometry":{"coordinates":[[-72.52536,42.04514],[-72.52536,42.04514]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16487.7","frame":"1475887286","batt_v":"3.8","sats":"10","vel_v":"-3.4","vel_h":"24.6","avg_vel_v":"-5.240234375","heading":"126.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852086","snr":"5.8","f_error_hz":"585","distance":128}},"timestamp":"1791852086"},"geometry":{"coordinates":[[-72.52536,42.04514],[-72.52411,42.04447]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16487.7","frame":"1475887286","batt_v":"3.8","sats":"10","vel_v":"-3.4","vel_h":"24.6","avg_vel_v":"-5.240234375","heading":"126.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852086","snr":"5.8","f_error_hz":"585","distance":128}},"timestamp":"1791852086"},"geometry":{"coordinates":[[-72.52411,42.04447],[-72.52411,42.04447]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16487.7","frame":"1475887286","batt_v":"3.8","sats":"10","vel_v":"-3.4","vel_h":"24.6","avg_vel_v":"-5.240234375","heading":"126.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852086","snr":"5.8","f_error_hz":"585","distance":128}},"timestamp":"1791852086"},"geometry":{"coordinates":[[-72.52411,42.04447],[-72.52411,42.04447]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16487.7","frame":"1475887286","batt_v":"3.8","sats":"10","vel_v":"-3.4","vel_h":"24.6","avg_vel_v":"-5.240234375","heading":"126.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852086","snr":"5.8","f_error_hz":"585","distance":128}},"timestamp":"1791852086"},"geometry":{"coordinates":[[-72.52411,42.04447],[-72.52411,42.04447]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16487.7","frame":"1475887286","batt_v":"3.8","sats":"10","vel_v":"-3.4","vel_h":"24.6","avg_vel_v":"-5.240234375","heading":"126.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852086","snr":"5.8","f_error_hz":"585","distance":128}},"timestamp":"1791852086"},"geometry":{"coordinates":[[-72.52411,42.04447],[-72.52411,42.04447]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16404","frame":"1475887303","batt_v":"3.8","sats":"10","vel_v":"-5.1","vel_h":"21.5","avg_vel_v":"-4.995472301136363","heading":"122.4","temp":"-63","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852103","snr":"6.4","f_error_hz":"488","distance":128}},"timestamp":"1791852103"},"geometry":{"coordinates":[[-72.52411,42.04447],[-72.51987,42.04234]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16404","frame":"1475887303","batt_v":"3.8","sats":"10","vel_v":"-5.1","vel_h":"21.5","avg_vel_v":"-4.995472301136363","heading":"122.4","temp":"-63","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852103","snr":"6.4","f_error_hz":"488","distance":128}},"timestamp":"1791852103"},"geometry":{"coordinates":[[-72.51987,42.04234],[-72.51987,42.04234]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16404","frame":"1475887303","batt_v":"3.8","sats":"10","vel_v":"-5.1","vel_h":"21.5","avg_vel_v":"-4.995472301136363","heading":"122.4","temp":"-63","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852103","snr":"6.4","f_error_hz":"488","distance":128}},"timestamp":"1791852103"},"geometry":{"coordinates":[[-72.51987,42.04234],[-72.51987,42.04234]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16388.8","frame":"1475887306","batt_v":"3.8","sats":"10","vel_v":"-4.9","vel_h":"21.6","avg_vel_v":"-5.003984375","heading":"125","temp":"-63","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852106","snr":"6.5","f_error_hz":"585","distance":127}},"timestamp":"1791852106"},"geometry":{"coordinates":[[-72.51987,42.04234],[-72.51912,42.04195]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16362.6","frame":"1475887311","batt_v":"3.7","sats":"10","vel_v":"-5.5","vel_h":"30.1","avg_vel_v":"-5.003984375","heading":"124.6","temp":"-62.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852111","snr":"7.9","f_error_hz":"585","distance":127}},"timestamp":"1791852111"},"geometry":{"coordinates":[[-72.51912,42.04195],[-72.51785,42.04128]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16362.6","frame":"1475887311","batt_v":"3.7","sats":"10","vel_v":"-5.5","vel_h":"30.1","avg_vel_v":"-5.003984375","heading":"124.6","temp":"-62.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852111","snr":"7.9","f_error_hz":"585","distance":127}},"timestamp":"1791852111"},"geometry":{"coordinates":[[-72.51785,42.04128],[-72.51785,42.04128]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16347.6","frame":"1475887314","batt_v":"3.7","sats":"10","vel_v":"-4.5","vel_h":"28.1","avg_vel_v":"-5.003557477678571","heading":"125.5","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852114","snr":"9","f_error_hz":"585","distance":127}},"timestamp":"1791852114"},"geometry":{"coordinates":[[-72.51785,42.04128],[-72.51709,42.04087]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16337.2","frame":"1475887316","batt_v":"3.7","sats":"10","vel_v":"-5","vel_h":"23.7","avg_vel_v":"-5.138446514423077","heading":"124.8","temp":"-62.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852116","snr":"9.5","f_error_hz":"585","distance":127}},"timestamp":"1791852116"},"geometry":{"coordinates":[[-72.51709,42.04087],[-72.51661,42.04057]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16297.1","frame":"1475887324","batt_v":"3.8","sats":"10","vel_v":"-4.8","vel_h":"28.6","avg_vel_v":"-5.090494791666667","heading":"123.7","temp":"-62.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852124","snr":"6","f_error_hz":"585","distance":127}},"timestamp":"1791852124"},"geometry":{"coordinates":[[-72.51661,42.04057],[-72.51458,42.03947]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16297.1","frame":"1475887324","batt_v":"3.8","sats":"10","vel_v":"-4.8","vel_h":"28.6","avg_vel_v":"-5.090494791666667","heading":"123.7","temp":"-62.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852124","snr":"6","f_error_hz":"585","distance":127}},"timestamp":"1791852124"},"geometry":{"coordinates":[[-72.51458,42.03947],[-72.51458,42.03947]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16297.1","frame":"1475887324","batt_v":"3.8","sats":"10","vel_v":"-4.8","vel_h":"28.6","avg_vel_v":"-5.090494791666667","heading":"123.7","temp":"-62.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852124","snr":"6","f_error_hz":"585","distance":127}},"timestamp":"1791852124"},"geometry":{"coordinates":[[-72.51458,42.03947],[-72.51458,42.03947]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16277.1","frame":"1475887328","batt_v":"3.8","sats":"10","vel_v":"-4.6","vel_h":"30.6","avg_vel_v":"-5.076015625","heading":"127.2","temp":"-62.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852128","snr":"7.2","f_error_hz":"390","distance":127}},"timestamp":"1791852128"},"geometry":{"coordinates":[[-72.51458,42.03947],[-72.51356,42.0389]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16266.6","frame":"1475887330","batt_v":"3.8","sats":"10","vel_v":"-4.1","vel_h":"24.5","avg_vel_v":"-5.088903356481482","heading":"122.2","temp":"-62.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852130","snr":"6.3","f_error_hz":"488","distance":127}},"timestamp":"1791852130"},"geometry":{"coordinates":[[-72.51356,42.0389],[-72.51306,42.03862]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16247.4","frame":"1475887334","batt_v":"3.8","sats":"10","vel_v":"-4.7","vel_h":"28.9","avg_vel_v":"-5.050013950892857","heading":"122.3","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852134","snr":"6","f_error_hz":"585","distance":127}},"timestamp":"1791852134"},"geometry":{"coordinates":[[-72.51306,42.03862],[-72.51201,42.03805]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16247.4","frame":"1475887334","batt_v":"3.8","sats":"10","vel_v":"-4.7","vel_h":"28.9","avg_vel_v":"-5.050013950892857","heading":"122.3","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852134","snr":"6","f_error_hz":"585","distance":127}},"timestamp":"1791852134"},"geometry":{"coordinates":[[-72.51201,42.03805],[-72.51201,42.03805]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16247.4","frame":"1475887334","batt_v":"3.8","sats":"10","vel_v":"-4.7","vel_h":"28.9","avg_vel_v":"-5.050013950892857","heading":"122.3","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852134","snr":"6","f_error_hz":"585","distance":127}},"timestamp":"1791852134"},"geometry":{"coordinates":[[-72.51201,42.03805],[-72.51201,42.03805]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16202.4","frame":"1475887343","batt_v":"3.7","sats":"10","vel_v":"-6","vel_h":"24","avg_vel_v":"-5.006869612068965","heading":"117.6","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852143","snr":"5.9","f_error_hz":"585","distance":127}},"timestamp":"1791852143"},"geometry":{"coordinates":[[-72.51201,42.03805],[-72.50967,42.03681]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16202.4","frame":"1475887343","batt_v":"3.7","sats":"10","vel_v":"-6","vel_h":"24","avg_vel_v":"-5.006869612068965","heading":"117.6","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852143","snr":"5.9","f_error_hz":"585","distance":127}},"timestamp":"1791852143"},"geometry":{"coordinates":[[-72.50967,42.03681],[-72.50967,42.03681]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16202.4","frame":"1475887343","batt_v":"3.7","sats":"10","vel_v":"-6","vel_h":"24","avg_vel_v":"-5.006869612068965","heading":"117.6","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852143","snr":"5.9","f_error_hz":"585","distance":127}},"timestamp":"1791852143"},"geometry":{"coordinates":[[-72.50967,42.03681],[-72.50967,42.03681]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16202.4","frame":"1475887343","batt_v":"3.7","sats":"10","vel_v":"-6","vel_h":"24","avg_vel_v":"-5.006869612068965","heading":"117.6","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852143","snr":"5.9","f_error_hz":"585","distance":127}},"timestamp":"1791852143"},"geometry":{"coordinates":[[-72.50967,42.03681],[-72.50967,42.03681]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16202.4","frame":"1475887343","batt_v":"3.7","sats":"10","vel_v":"-6","vel_h":"24","avg_vel_v":"-5.006869612068965","heading":"117.6","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852143","snr":"5.9","f_error_hz":"585","distance":127}},"timestamp":"1791852143"},"geometry":{"coordinates":[[-72.50967,42.03681],[-72.50967,42.03681]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16202.4","frame":"1475887343","batt_v":"3.7","sats":"10","vel_v":"-6","vel_h":"24","avg_vel_v":"-5.006869612068965","heading":"117.6","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852143","snr":"5.9","f_error_hz":"585","distance":127}},"timestamp":"1791852143"},"geometry":{"coordinates":[[-72.50967,42.03681],[-72.50967,42.03681]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16202.4","frame":"1475887343","batt_v":"3.7","sats":"10","vel_v":"-6","vel_h":"24","avg_vel_v":"-5.006869612068965","heading":"117.6","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852143","snr":"5.9","f_error_hz":"585","distance":127}},"timestamp":"1791852143"},"geometry":{"coordinates":[[-72.50967,42.03681],[-72.50967,42.03681]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16202.4","frame":"1475887343","batt_v":"3.7","sats":"10","vel_v":"-6","vel_h":"24","avg_vel_v":"-5.006869612068965","heading":"117.6","temp":"-62.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852143","snr":"5.9","f_error_hz":"585","distance":127}},"timestamp":"1791852143"},"geometry":{"coordinates":[[-72.50967,42.03681],[-72.50967,42.03681]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16087.7","frame":"1475887366","batt_v":"3.7","sats":"10","vel_v":"-4.2","vel_h":"27.3","avg_vel_v":"-4.986965013586956","heading":"129.8","temp":"-62.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852166","snr":"9.5","f_error_hz":"585","distance":127}},"timestamp":"1791852166"},"geometry":{"coordinates":[[-72.50967,42.03681],[-72.50335,42.03379]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16087.7","frame":"1475887366","batt_v":"3.7","sats":"10","vel_v":"-4.2","vel_h":"27.3","avg_vel_v":"-4.986965013586956","heading":"129.8","temp":"-62.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852166","snr":"9.5","f_error_hz":"585","distance":127}},"timestamp":"1791852166"},"geometry":{"coordinates":[[-72.50335,42.03379],[-72.50335,42.03379]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16087.7","frame":"1475887366","batt_v":"3.7","sats":"10","vel_v":"-4.2","vel_h":"27.3","avg_vel_v":"-4.986965013586956","heading":"129.8","temp":"-62.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852166","snr":"9.5","f_error_hz":"585","distance":127}},"timestamp":"1791852166"},"geometry":{"coordinates":[[-72.50335,42.03379],[-72.50335,42.03379]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16072.8","frame":"1475887369","batt_v":"3.7","sats":"10","vel_v":"-6.5","vel_h":"29.5","avg_vel_v":"-4.984637920673077","heading":"127.8","temp":"-62.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852169","snr":"8.7","f_error_hz":"585","distance":126}},"timestamp":"1791852169"},"geometry":{"coordinates":[[-72.50335,42.03379],[-72.50245,42.03338]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16053.6","frame":"1475887373","batt_v":"3.7","sats":"10","vel_v":"-4.7","vel_h":"27.5","avg_vel_v":"-4.871512276785714","heading":"126.8","temp":"-62.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852173","snr":"9.9","f_error_hz":"585","distance":126}},"timestamp":"1791852173"},"geometry":{"coordinates":[[-72.50245,42.03338],[-72.50126,42.03279]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16053.6","frame":"1475887373","batt_v":"3.7","sats":"10","vel_v":"-4.7","vel_h":"27.5","avg_vel_v":"-4.871512276785714","heading":"126.8","temp":"-62.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852173","snr":"9.9","f_error_hz":"585","distance":126}},"timestamp":"1791852173"},"geometry":{"coordinates":[[-72.50126,42.03279],[-72.50126,42.03279]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16033.3","frame":"1475887377","batt_v":"3.7","sats":"10","vel_v":"-4.2","vel_h":"29.7","avg_vel_v":"-4.945490056818182","heading":"121.2","temp":"-62.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852177","snr":"9.7","f_error_hz":"585","distance":126}},"timestamp":"1791852177"},"geometry":{"coordinates":[[-72.50126,42.03279],[-72.50006,42.03222]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"16018.8","frame":"1475887380","batt_v":"3.7","sats":"10","vel_v":"-5","vel_h":"26.8","avg_vel_v":"-4.921456473214286","heading":"121.6","temp":"-62.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852180","snr":"9.8","f_error_hz":"585","distance":126}},"timestamp":"1791852180"},"geometry":{"coordinates":[[-72.50006,42.03222],[-72.4991,42.03177]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15842.7","frame":"1475887416","batt_v":"3.7","sats":"10","vel_v":"-4.2","vel_h":"30.9","avg_vel_v":"-4.941372575431035","heading":"124","temp":"-61.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852216","snr":"6.8","f_error_hz":"585","distance":null}},"timestamp":"1791852216"},"geometry":{"coordinates":[[-72.4991,42.03177],[-72.48815,42.02645]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15687.3","frame":"1475887449","batt_v":"3.7","sats":"12","vel_v":"-5.4","vel_h":"30.1","heading":"119.2","temp":"-61.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852249","snr":"5.3","f_error_hz":"585","distance":null}},"timestamp":"1791852249"},"geometry":{"coordinates":[[-72.48815,42.02645],[-72.47853,42.02193]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15148.6","dashArray":"8","frame":"1475887567","batt_v":"3.7","sats":"11","vel_v":"-4.5","vel_h":"32.9","avg_vel_v":"-4.420857747395833","heading":"121.8","temp":"-61","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852367","snr":"10.1","f_error_hz":"585","distance":null}},"timestamp":"1791852367"},"geometry":{"coordinates":[[-72.47853,42.02193],[-72.43987,42.00375]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15148.6","frame":"1475887567","batt_v":"3.7","sats":"11","vel_v":"-4.5","vel_h":"32.9","avg_vel_v":"-4.420857747395833","heading":"121.8","temp":"-61","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852367","snr":"10.1","f_error_hz":"585","distance":123}},"timestamp":"1791852367"},"geometry":{"coordinates":[[-72.43987,42.00375],[-72.43987,42.00375]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15148.6","frame":"1475887567","batt_v":"3.7","sats":"11","vel_v":"-4.5","vel_h":"32.9","avg_vel_v":"-4.420857747395833","heading":"121.8","temp":"-61","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852367","snr":"10.1","f_error_hz":"585","distance":123}},"timestamp":"1791852367"},"geometry":{"coordinates":[[-72.43987,42.00375],[-72.43987,42.00375]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15148.6","frame":"1475887567","batt_v":"3.7","sats":"11","vel_v":"-4.5","vel_h":"32.9","avg_vel_v":"-4.420857747395833","heading":"121.8","temp":"-61","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852367","snr":"10.1","f_error_hz":"585","distance":123}},"timestamp":"1791852367"},"geometry":{"coordinates":[[-72.43987,42.00375],[-72.43987,42.00375]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15148.6","frame":"1475887567","batt_v":"3.7","sats":"11","vel_v":"-4.5","vel_h":"32.9","avg_vel_v":"-4.420857747395833","heading":"121.8","temp":"-61","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852367","snr":"10.1","f_error_hz":"585","distance":123}},"timestamp":"1791852367"},"geometry":{"coordinates":[[-72.43987,42.00375],[-72.43987,42.00375]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15148.6","frame":"1475887567","batt_v":"3.7","sats":"11","vel_v":"-4.5","vel_h":"32.9","avg_vel_v":"-4.420857747395833","heading":"121.8","temp":"-61","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852367","snr":"10.1","f_error_hz":"585","distance":123}},"timestamp":"1791852367"},"geometry":{"coordinates":[[-72.43987,42.00375],[-72.43987,42.00375]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15053.1","frame":"1475887589","batt_v":"3.7","sats":"11","vel_v":"-5.3","vel_h":"38.1","avg_vel_v":"-4.350027901785714","heading":"128.3","temp":"-60.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852389","snr":"10.3","f_error_hz":"585","distance":122}},"timestamp":"1791852389"},"geometry":{"coordinates":[[-72.43987,42.00375],[-72.43227,41.99974]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15053.1","frame":"1475887589","batt_v":"3.7","sats":"11","vel_v":"-5.3","vel_h":"38.1","avg_vel_v":"-4.350027901785714","heading":"128.3","temp":"-60.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852389","snr":"10.3","f_error_hz":"585","distance":122}},"timestamp":"1791852389"},"geometry":{"coordinates":[[-72.43227,41.99974],[-72.43227,41.99974]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15053.1","frame":"1475887589","batt_v":"3.7","sats":"11","vel_v":"-5.3","vel_h":"38.1","avg_vel_v":"-4.350027901785714","heading":"128.3","temp":"-60.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852389","snr":"10.3","f_error_hz":"585","distance":122}},"timestamp":"1791852389"},"geometry":{"coordinates":[[-72.43227,41.99974],[-72.43227,41.99974]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15032.5","frame":"1475887593","batt_v":"3.7","sats":"11","vel_v":"-4.5","vel_h":"36","avg_vel_v":"-4.465369591346154","heading":"128.6","temp":"-60.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852393","snr":"9.9","f_error_hz":"488","distance":122}},"timestamp":"1791852393"},"geometry":{"coordinates":[[-72.43227,41.99974],[-72.43083,41.99901]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15016.2","frame":"1475887597","batt_v":"3.7","sats":"11","vel_v":"-4.6","vel_h":"34.2","avg_vel_v":"-4.6124267578125","heading":"123.2","temp":"-60.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852397","snr":"11.7","f_error_hz":"585","distance":122}},"timestamp":"1791852397"},"geometry":{"coordinates":[[-72.43083,41.99901],[-72.42938,41.99831]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"15016.2","frame":"1475887597","batt_v":"3.7","sats":"11","vel_v":"-4.6","vel_h":"34.2","avg_vel_v":"-4.6124267578125","heading":"123.2","temp":"-60.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852397","snr":"11.7","f_error_hz":"585","distance":122}},"timestamp":"1791852397"},"geometry":{"coordinates":[[-72.42938,41.99831],[-72.42938,41.99831]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14998.7","frame":"1475887601","batt_v":"3.7","sats":"11","vel_v":"-5.7","vel_h":"35.7","avg_vel_v":"-4.533284505208333","heading":"117","temp":"-60.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852401","snr":"12.7","f_error_hz":"585","distance":122}},"timestamp":"1791852401"},"geometry":{"coordinates":[[-72.42938,41.99831],[-72.42791,41.99762]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14985.3","frame":"1475887604","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.519986979166666","heading":"123.2","temp":"-60.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852404","snr":"12.2","f_error_hz":"585","distance":122}},"timestamp":"1791852404"},"geometry":{"coordinates":[[-72.42791,41.99762],[-72.4268,41.99709]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14957.6","frame":"1475887610","batt_v":"3.7","sats":"11","vel_v":"-5.2","vel_h":"36.7","avg_vel_v":"-4.5476190476190474","heading":"121.2","temp":"-61","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852410","snr":"11.1","f_error_hz":"585","distance":122}},"timestamp":"1791852410"},"geometry":{"coordinates":[[-72.4268,41.99709],[-72.42454,41.99604]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14957.6","frame":"1475887610","batt_v":"3.7","sats":"11","vel_v":"-5.2","vel_h":"36.7","avg_vel_v":"-4.5476190476190474","heading":"121.2","temp":"-61","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852410","snr":"11.1","f_error_hz":"585","distance":122}},"timestamp":"1791852410"},"geometry":{"coordinates":[[-72.42454,41.99604],[-72.42454,41.99604]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14957.6","frame":"1475887610","batt_v":"3.7","sats":"11","vel_v":"-5.2","vel_h":"36.7","avg_vel_v":"-4.5476190476190474","heading":"121.2","temp":"-61","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852410","snr":"11.1","f_error_hz":"585","distance":122}},"timestamp":"1791852410"},"geometry":{"coordinates":[[-72.42454,41.99604],[-72.42454,41.99604]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14940.7","frame":"1475887614","batt_v":"3.6","sats":"11","vel_v":"-4.7","vel_h":"37.7","avg_vel_v":"-4.4959765625","heading":"121.1","temp":"-61.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852414","snr":"11.5","f_error_hz":"585","distance":122}},"timestamp":"1791852414"},"geometry":{"coordinates":[[-72.42454,41.99604],[-72.42306,41.99537]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14928.6","frame":"1475887617","batt_v":"3.6","sats":"11","vel_v":"-3.9","vel_h":"36.2","avg_vel_v":"-4.446428571428571","heading":"123.9","temp":"-61.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852417","snr":"13","f_error_hz":"585","distance":122}},"timestamp":"1791852417"},"geometry":{"coordinates":[[-72.42306,41.99537],[-72.42197,41.99483]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14911.6","frame":"1475887621","batt_v":"3.7","sats":"11","vel_v":"-4.3","vel_h":"35.8","avg_vel_v":"-4.31787109375","heading":"119","temp":"-61.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852421","snr":"10.3","f_error_hz":"585","distance":122}},"timestamp":"1791852421"},"geometry":{"coordinates":[[-72.42197,41.99483],[-72.42052,41.99415]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14911.6","frame":"1475887621","batt_v":"3.7","sats":"11","vel_v":"-4.3","vel_h":"35.8","avg_vel_v":"-4.31787109375","heading":"119","temp":"-61.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852421","snr":"10.3","f_error_hz":"585","distance":122}},"timestamp":"1791852421"},"geometry":{"coordinates":[[-72.42052,41.99415],[-72.42052,41.99415]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14899.5","frame":"1475887624","batt_v":"3.7","sats":"11","vel_v":"-4","vel_h":"32.6","avg_vel_v":"-4.322229456018518","heading":"122","temp":"-61.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852424","snr":"12.9","f_error_hz":"585","distance":121}},"timestamp":"1791852424"},"geometry":{"coordinates":[[-72.42052,41.99415],[-72.41947,41.99359]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14865","frame":"1475887632","batt_v":"3.7","sats":"11","vel_v":"-4","vel_h":"34.1","avg_vel_v":"-4.296421595982143","heading":"126.5","temp":"-61.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852432","snr":"10.6","f_error_hz":"585","distance":121}},"timestamp":"1791852432"},"geometry":{"coordinates":[[-72.41947,41.99359],[-72.4167,41.99214]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14865","frame":"1475887632","batt_v":"3.7","sats":"11","vel_v":"-4","vel_h":"34.1","avg_vel_v":"-4.296421595982143","heading":"126.5","temp":"-61.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852432","snr":"10.6","f_error_hz":"585","distance":121}},"timestamp":"1791852432"},"geometry":{"coordinates":[[-72.4167,41.99214],[-72.4167,41.99214]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14865","frame":"1475887632","batt_v":"3.7","sats":"11","vel_v":"-4","vel_h":"34.1","avg_vel_v":"-4.296421595982143","heading":"126.5","temp":"-61.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852432","snr":"10.6","f_error_hz":"585","distance":121}},"timestamp":"1791852432"},"geometry":{"coordinates":[[-72.4167,41.99214],[-72.4167,41.99214]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14851.2","frame":"1475887635","batt_v":"3.7","sats":"11","vel_v":"-3.5","vel_h":"34.2","avg_vel_v":"-4.2559765625","heading":"130.8","temp":"-61.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852435","snr":"11.6","f_error_hz":"585","distance":121}},"timestamp":"1791852435"},"geometry":{"coordinates":[[-72.4167,41.99214],[-72.41566,41.99157]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14851.2","frame":"1475887635","batt_v":"3.7","sats":"11","vel_v":"-3.5","vel_h":"34.2","avg_vel_v":"-4.2559765625","heading":"130.8","temp":"-61.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852435","snr":"11.6","f_error_hz":"585","distance":121}},"timestamp":"1791852435"},"geometry":{"coordinates":[[-72.41566,41.99157],[-72.41566,41.99157]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14851.2","frame":"1475887635","batt_v":"3.7","sats":"11","vel_v":"-3.5","vel_h":"34.2","avg_vel_v":"-4.2559765625","heading":"130.8","temp":"-61.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852435","snr":"11.6","f_error_hz":"585","distance":121}},"timestamp":"1791852435"},"geometry":{"coordinates":[[-72.41566,41.99157],[-72.41566,41.99157]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14851.2","frame":"1475887635","batt_v":"3.7","sats":"11","vel_v":"-3.5","vel_h":"34.2","avg_vel_v":"-4.2559765625","heading":"130.8","temp":"-61.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852435","snr":"11.6","f_error_hz":"585","distance":121}},"timestamp":"1791852435"},"geometry":{"coordinates":[[-72.41566,41.99157],[-72.41566,41.99157]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14851.2","frame":"1475887635","batt_v":"3.7","sats":"11","vel_v":"-3.5","vel_h":"34.2","avg_vel_v":"-4.2559765625","heading":"130.8","temp":"-61.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852435","snr":"11.6","f_error_hz":"585","distance":121}},"timestamp":"1791852435"},"geometry":{"coordinates":[[-72.41566,41.99157],[-72.41566,41.99157]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14778","frame":"1475887653","batt_v":"3.7","sats":"11","vel_v":"-4.9","vel_h":"38.2","avg_vel_v":"-4.189655172413793","heading":"127.7","temp":"-61.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852453","snr":"10.3","f_error_hz":"585","distance":121}},"timestamp":"1791852453"},"geometry":{"coordinates":[[-72.41566,41.99157],[-72.4095,41.98809]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14778","frame":"1475887653","batt_v":"3.7","sats":"11","vel_v":"-4.9","vel_h":"38.2","avg_vel_v":"-4.189655172413793","heading":"127.7","temp":"-61.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852453","snr":"10.3","f_error_hz":"585","distance":121}},"timestamp":"1791852453"},"geometry":{"coordinates":[[-72.4095,41.98809],[-72.4095,41.98809]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14778","frame":"1475887653","batt_v":"3.7","sats":"11","vel_v":"-4.9","vel_h":"38.2","avg_vel_v":"-4.189655172413793","heading":"127.7","temp":"-61.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852453","snr":"10.3","f_error_hz":"585","distance":121}},"timestamp":"1791852453"},"geometry":{"coordinates":[[-72.4095,41.98809],[-72.4095,41.98809]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14778","frame":"1475887653","batt_v":"3.7","sats":"11","vel_v":"-4.9","vel_h":"38.2","avg_vel_v":"-4.189655172413793","heading":"127.7","temp":"-61.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852453","snr":"10.3","f_error_hz":"585","distance":121}},"timestamp":"1791852453"},"geometry":{"coordinates":[[-72.4095,41.98809],[-72.4095,41.98809]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14778","frame":"1475887653","batt_v":"3.7","sats":"11","vel_v":"-4.9","vel_h":"38.2","avg_vel_v":"-4.189655172413793","heading":"127.7","temp":"-61.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852453","snr":"10.3","f_error_hz":"585","distance":121}},"timestamp":"1791852453"},"geometry":{"coordinates":[[-72.4095,41.98809],[-72.4095,41.98809]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14778","frame":"1475887653","batt_v":"3.7","sats":"11","vel_v":"-4.9","vel_h":"38.2","avg_vel_v":"-4.189655172413793","heading":"127.7","temp":"-61.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852453","snr":"10.3","f_error_hz":"585","distance":121}},"timestamp":"1791852453"},"geometry":{"coordinates":[[-72.4095,41.98809],[-72.4095,41.98809]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14778","frame":"1475887653","batt_v":"3.7","sats":"11","vel_v":"-4.9","vel_h":"38.2","avg_vel_v":"-4.189655172413793","heading":"127.7","temp":"-61.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852453","snr":"10.3","f_error_hz":"585","distance":121}},"timestamp":"1791852453"},"geometry":{"coordinates":[[-72.4095,41.98809],[-72.4095,41.98809]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14778","frame":"1475887653","batt_v":"3.7","sats":"11","vel_v":"-4.9","vel_h":"38.2","avg_vel_v":"-4.189655172413793","heading":"127.7","temp":"-61.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852453","snr":"10.3","f_error_hz":"585","distance":121}},"timestamp":"1791852453"},"geometry":{"coordinates":[[-72.4095,41.98809],[-72.4095,41.98809]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14683.9","frame":"1475887675","batt_v":"3.7","sats":"11","vel_v":"-5.2","vel_h":"38.9","avg_vel_v":"-4.277254971590909","heading":"131.5","temp":"-61","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852475","snr":"10.4","f_error_hz":"585","distance":121}},"timestamp":"1791852475"},"geometry":{"coordinates":[[-72.4095,41.98809],[-72.40209,41.9837]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14683.9","frame":"1475887675","batt_v":"3.7","sats":"11","vel_v":"-5.2","vel_h":"38.9","avg_vel_v":"-4.277254971590909","heading":"131.5","temp":"-61","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852475","snr":"10.4","f_error_hz":"585","distance":121}},"timestamp":"1791852475"},"geometry":{"coordinates":[[-72.40209,41.9837],[-72.40209,41.9837]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14683.9","frame":"1475887675","batt_v":"3.7","sats":"11","vel_v":"-5.2","vel_h":"38.9","avg_vel_v":"-4.277254971590909","heading":"131.5","temp":"-61","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852475","snr":"10.4","f_error_hz":"585","distance":121}},"timestamp":"1791852475"},"geometry":{"coordinates":[[-72.40209,41.9837],[-72.40209,41.9837]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14671.1","frame":"1475887678","batt_v":"3.7","sats":"10","vel_v":"-3.4","vel_h":"35.6","avg_vel_v":"-4.276015625","heading":"133.7","temp":"-60.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852478","snr":"9.2","f_error_hz":"585","distance":121}},"timestamp":"1791852478"},"geometry":{"coordinates":[[-72.40209,41.9837],[-72.40109,41.9831]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14659.1","frame":"1475887681","batt_v":"3.7","sats":"10","vel_v":"-3.5","vel_h":"33.9","avg_vel_v":"-4.246442522321429","heading":"136.2","temp":"-60.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852481","snr":"10.2","f_error_hz":"585","distance":120}},"timestamp":"1791852481"},"geometry":{"coordinates":[[-72.40109,41.9831],[-72.4001,41.98248]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14659.1","frame":"1475887681","batt_v":"3.7","sats":"10","vel_v":"-3.5","vel_h":"33.9","avg_vel_v":"-4.246442522321429","heading":"136.2","temp":"-60.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852481","snr":"10.2","f_error_hz":"585","distance":120}},"timestamp":"1791852481"},"geometry":{"coordinates":[[-72.4001,41.98248],[-72.4001,41.98248]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14659.1","frame":"1475887681","batt_v":"3.7","sats":"10","vel_v":"-3.5","vel_h":"33.9","avg_vel_v":"-4.246442522321429","heading":"136.2","temp":"-60.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852481","snr":"10.2","f_error_hz":"585","distance":120}},"timestamp":"1791852481"},"geometry":{"coordinates":[[-72.4001,41.98248],[-72.4001,41.98248]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14659.1","frame":"1475887681","batt_v":"3.7","sats":"10","vel_v":"-3.5","vel_h":"33.9","avg_vel_v":"-4.246442522321429","heading":"136.2","temp":"-60.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852481","snr":"10.2","f_error_hz":"585","distance":120}},"timestamp":"1791852481"},"geometry":{"coordinates":[[-72.4001,41.98248],[-72.4001,41.98248]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14588.3","frame":"1475887696","batt_v":"3.7","sats":"10","vel_v":"-4.5","vel_h":"36","avg_vel_v":"-4.552408854166667","heading":"133.3","temp":"-60.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852496","snr":"10.5","f_error_hz":"585","distance":120}},"timestamp":"1791852496"},"geometry":{"coordinates":[[-72.4001,41.98248],[-72.39519,41.97928]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14588.3","frame":"1475887696","batt_v":"3.7","sats":"10","vel_v":"-4.5","vel_h":"36","avg_vel_v":"-4.552408854166667","heading":"133.3","temp":"-60.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852496","snr":"10.5","f_error_hz":"585","distance":120}},"timestamp":"1791852496"},"geometry":{"coordinates":[[-72.39519,41.97928],[-72.39519,41.97928]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14588.3","frame":"1475887696","batt_v":"3.7","sats":"10","vel_v":"-4.5","vel_h":"36","avg_vel_v":"-4.552408854166667","heading":"133.3","temp":"-60.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852496","snr":"10.5","f_error_hz":"585","distance":120}},"timestamp":"1791852496"},"geometry":{"coordinates":[[-72.39519,41.97928],[-72.39519,41.97928]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14588.3","frame":"1475887696","batt_v":"3.7","sats":"10","vel_v":"-4.5","vel_h":"36","avg_vel_v":"-4.552408854166667","heading":"133.3","temp":"-60.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852496","snr":"10.5","f_error_hz":"585","distance":120}},"timestamp":"1791852496"},"geometry":{"coordinates":[[-72.39519,41.97928],[-72.39519,41.97928]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14588.3","frame":"1475887696","batt_v":"3.7","sats":"10","vel_v":"-4.5","vel_h":"36","avg_vel_v":"-4.552408854166667","heading":"133.3","temp":"-60.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852496","snr":"10.5","f_error_hz":"585","distance":120}},"timestamp":"1791852496"},"geometry":{"coordinates":[[-72.39519,41.97928],[-72.39519,41.97928]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14588.3","frame":"1475887696","batt_v":"3.7","sats":"10","vel_v":"-4.5","vel_h":"36","avg_vel_v":"-4.552408854166667","heading":"133.3","temp":"-60.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852496","snr":"10.5","f_error_hz":"585","distance":120}},"timestamp":"1791852496"},"geometry":{"coordinates":[[-72.39519,41.97928],[-72.39519,41.97928]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14588.3","frame":"1475887696","batt_v":"3.7","sats":"10","vel_v":"-4.5","vel_h":"36","avg_vel_v":"-4.552408854166667","heading":"133.3","temp":"-60.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852496","snr":"10.5","f_error_hz":"585","distance":120}},"timestamp":"1791852496"},"geometry":{"coordinates":[[-72.39519,41.97928],[-72.39519,41.97928]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14588.3","frame":"1475887696","batt_v":"3.7","sats":"10","vel_v":"-4.5","vel_h":"36","avg_vel_v":"-4.552408854166667","heading":"133.3","temp":"-60.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852496","snr":"10.5","f_error_hz":"585","distance":120}},"timestamp":"1791852496"},"geometry":{"coordinates":[[-72.39519,41.97928],[-72.39519,41.97928]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.39519,41.97928],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14501.8","frame":"1475887715","batt_v":"3.7","sats":"11","vel_v":"-3.7","vel_h":"36.3","avg_vel_v":"-4.552631578947368","heading":"130.5","temp":"-60.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852515","snr":"8.1","f_error_hz":"585","distance":120}},"timestamp":"1791852515"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.38895,41.97495]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14283.9","frame":"1475887759","batt_v":"3.6","sats":"11","vel_v":"-3.9","vel_h":"37.4","heading":"136.9","temp":"-59.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852559","snr":"13.2","f_error_hz":"585","distance":119}},"timestamp":"1791852559"},"geometry":{"coordinates":[[-72.38895,41.97495],[-72.37424,41.96473]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14283.9","frame":"1475887759","batt_v":"3.6","sats":"11","vel_v":"-3.9","vel_h":"37.4","heading":"136.9","temp":"-59.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852559","snr":"13.2","f_error_hz":"585","distance":119}},"timestamp":"1791852559"},"geometry":{"coordinates":[[-72.37424,41.96473],[-72.37424,41.96473]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14283.9","frame":"1475887759","batt_v":"3.6","sats":"11","vel_v":"-3.9","vel_h":"37.4","heading":"136.9","temp":"-59.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852559","snr":"13.2","f_error_hz":"585","distance":119}},"timestamp":"1791852559"},"geometry":{"coordinates":[[-72.37424,41.96473],[-72.37424,41.96473]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14268.9","frame":"1475887762","batt_v":"3.6","sats":"11","vel_v":"-5.7","vel_h":"38.4","avg_vel_v":"-5","heading":"140.7","temp":"-59.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852562","snr":"11.7","f_error_hz":"585","distance":119}},"timestamp":"1791852562"},"geometry":{"coordinates":[[-72.37424,41.96473],[-72.37324,41.96399]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14243.4","frame":"1475887767","batt_v":"3.6","sats":"11","vel_v":"-6.5","vel_h":"36","avg_vel_v":"-5.0625","heading":"137.7","temp":"-58.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852567","snr":"12.2","f_error_hz":"585","distance":119}},"timestamp":"1791852567"},"geometry":{"coordinates":[[-72.37324,41.96399],[-72.37158,41.96278]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14243.4","frame":"1475887767","batt_v":"3.6","sats":"11","vel_v":"-6.5","vel_h":"36","avg_vel_v":"-5.0625","heading":"137.7","temp":"-58.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852567","snr":"12.2","f_error_hz":"585","distance":119}},"timestamp":"1791852567"},"geometry":{"coordinates":[[-72.37158,41.96278],[-72.37158,41.96278]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14243.4","frame":"1475887767","batt_v":"3.6","sats":"11","vel_v":"-6.5","vel_h":"36","avg_vel_v":"-5.0625","heading":"137.7","temp":"-58.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852567","snr":"12.2","f_error_hz":"585","distance":119}},"timestamp":"1791852567"},"geometry":{"coordinates":[[-72.37158,41.96278],[-72.37158,41.96278]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14243.4","frame":"1475887767","batt_v":"3.6","sats":"11","vel_v":"-6.5","vel_h":"36","avg_vel_v":"-5.0625","heading":"137.7","temp":"-58.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852567","snr":"12.2","f_error_hz":"585","distance":119}},"timestamp":"1791852567"},"geometry":{"coordinates":[[-72.37158,41.96278],[-72.37158,41.96278]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14175.6","frame":"1475887780","batt_v":"3.6","sats":"11","vel_v":"-4.5","vel_h":"38.8","avg_vel_v":"-5.157180059523809","heading":"135.9","temp":"-58.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852580","snr":"12.3","f_error_hz":"585","distance":119}},"timestamp":"1791852580"},"geometry":{"coordinates":[[-72.37158,41.96278],[-72.36723,41.95957]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14175.6","frame":"1475887780","batt_v":"3.6","sats":"11","vel_v":"-4.5","vel_h":"38.8","avg_vel_v":"-5.157180059523809","heading":"135.9","temp":"-58.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852580","snr":"12.3","f_error_hz":"585","distance":119}},"timestamp":"1791852580"},"geometry":{"coordinates":[[-72.36723,41.95957],[-72.36723,41.95957]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14175.6","frame":"1475887780","batt_v":"3.6","sats":"11","vel_v":"-4.5","vel_h":"38.8","avg_vel_v":"-5.157180059523809","heading":"135.9","temp":"-58.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852580","snr":"12.3","f_error_hz":"585","distance":119}},"timestamp":"1791852580"},"geometry":{"coordinates":[[-72.36723,41.95957],[-72.36723,41.95957]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14154.7","frame":"1475887784","batt_v":"3.6","sats":"11","vel_v":"-5.5","vel_h":"40.9","avg_vel_v":"-5.1680078125","heading":"131.8","temp":"-58.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852584","snr":"12.8","f_error_hz":"585","distance":119}},"timestamp":"1791852584"},"geometry":{"coordinates":[[-72.36723,41.95957],[-72.36586,41.95857]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14133.3","frame":"1475887788","batt_v":"3.6","sats":"11","vel_v":"-4.6","vel_h":"35","avg_vel_v":"-5.193123653017241","heading":"130.3","temp":"-58.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852588","snr":"12.1","f_error_hz":"585","distance":119}},"timestamp":"1791852588"},"geometry":{"coordinates":[[-72.36586,41.95857],[-72.3645,41.9576]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14117.6","frame":"1475887791","batt_v":"3.6","sats":"11","vel_v":"-4.8","vel_h":"35.1","avg_vel_v":"-5.217268318965517","heading":"135.5","temp":"-58.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852591","snr":"12.4","f_error_hz":"585","distance":119}},"timestamp":"1791852591"},"geometry":{"coordinates":[[-72.3645,41.9576],[-72.36351,41.95689]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14117.6","frame":"1475887791","batt_v":"3.6","sats":"11","vel_v":"-4.8","vel_h":"35.1","avg_vel_v":"-5.217268318965517","heading":"135.5","temp":"-58.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852591","snr":"12.4","f_error_hz":"585","distance":119}},"timestamp":"1791852591"},"geometry":{"coordinates":[[-72.36351,41.95689],[-72.36351,41.95689]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14117.6","frame":"1475887791","batt_v":"3.6","sats":"11","vel_v":"-4.8","vel_h":"35.1","avg_vel_v":"-5.217268318965517","heading":"135.5","temp":"-58.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852591","snr":"12.4","f_error_hz":"585","distance":119}},"timestamp":"1791852591"},"geometry":{"coordinates":[[-72.36351,41.95689],[-72.36351,41.95689]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14061.3","frame":"1475887801","batt_v":"3.6","sats":"11","vel_v":"-4.4","vel_h":"39.5","avg_vel_v":"-5.442847842261905","heading":"130.5","temp":"-57.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852601","snr":"11.2","f_error_hz":"585","distance":119}},"timestamp":"1791852601"},"geometry":{"coordinates":[[-72.36351,41.95689],[-72.36019,41.95454]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14061.3","frame":"1475887801","batt_v":"3.6","sats":"11","vel_v":"-4.4","vel_h":"39.5","avg_vel_v":"-5.442847842261905","heading":"130.5","temp":"-57.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852601","snr":"11.2","f_error_hz":"585","distance":119}},"timestamp":"1791852601"},"geometry":{"coordinates":[[-72.36019,41.95454],[-72.36019,41.95454]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14061.3","frame":"1475887801","batt_v":"3.6","sats":"11","vel_v":"-4.4","vel_h":"39.5","avg_vel_v":"-5.442847842261905","heading":"130.5","temp":"-57.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852601","snr":"11.2","f_error_hz":"585","distance":119}},"timestamp":"1791852601"},"geometry":{"coordinates":[[-72.36019,41.95454],[-72.36019,41.95454]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14061.3","frame":"1475887801","batt_v":"3.6","sats":"11","vel_v":"-4.4","vel_h":"39.5","avg_vel_v":"-5.442847842261905","heading":"130.5","temp":"-57.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852601","snr":"11.2","f_error_hz":"585","distance":119}},"timestamp":"1791852601"},"geometry":{"coordinates":[[-72.36019,41.95454],[-72.36019,41.95454]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14061.3","frame":"1475887801","batt_v":"3.6","sats":"11","vel_v":"-4.4","vel_h":"39.5","avg_vel_v":"-5.442847842261905","heading":"130.5","temp":"-57.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852601","snr":"11.2","f_error_hz":"585","distance":119}},"timestamp":"1791852601"},"geometry":{"coordinates":[[-72.36019,41.95454],[-72.36019,41.95454]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14061.3","frame":"1475887801","batt_v":"3.6","sats":"11","vel_v":"-4.4","vel_h":"39.5","avg_vel_v":"-5.442847842261905","heading":"130.5","temp":"-57.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852601","snr":"11.2","f_error_hz":"585","distance":119}},"timestamp":"1791852601"},"geometry":{"coordinates":[[-72.36019,41.95454],[-72.36019,41.95454]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14061.3","frame":"1475887801","batt_v":"3.6","sats":"11","vel_v":"-4.4","vel_h":"39.5","avg_vel_v":"-5.442847842261905","heading":"130.5","temp":"-57.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852601","snr":"11.2","f_error_hz":"585","distance":119}},"timestamp":"1791852601"},"geometry":{"coordinates":[[-72.36019,41.95454],[-72.36019,41.95454]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"14061.3","frame":"1475887801","batt_v":"3.6","sats":"11","vel_v":"-4.4","vel_h":"39.5","avg_vel_v":"-5.442847842261905","heading":"130.5","temp":"-57.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852601","snr":"11.2","f_error_hz":"585","distance":119}},"timestamp":"1791852601"},"geometry":{"coordinates":[[-72.36019,41.95454],[-72.36019,41.95454]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13946.6","frame":"1475887821","batt_v":"3.6","sats":"11","vel_v":"-6","vel_h":"39.8","avg_vel_v":"-5.735009765625","heading":"136.1","temp":"-57.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852621","snr":"13.2","f_error_hz":"585","distance":118}},"timestamp":"1791852621"},"geometry":{"coordinates":[[-72.36019,41.95454],[-72.35328,41.94969]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13946.6","frame":"1475887821","batt_v":"3.6","sats":"11","vel_v":"-6","vel_h":"39.8","avg_vel_v":"-5.735009765625","heading":"136.1","temp":"-57.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852621","snr":"13.2","f_error_hz":"585","distance":118}},"timestamp":"1791852621"},"geometry":{"coordinates":[[-72.35328,41.94969],[-72.35328,41.94969]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13946.6","frame":"1475887821","batt_v":"3.6","sats":"11","vel_v":"-6","vel_h":"39.8","avg_vel_v":"-5.735009765625","heading":"136.1","temp":"-57.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852621","snr":"13.2","f_error_hz":"585","distance":118}},"timestamp":"1791852621"},"geometry":{"coordinates":[[-72.35328,41.94969],[-72.35328,41.94969]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13946.6","frame":"1475887821","batt_v":"3.6","sats":"11","vel_v":"-6","vel_h":"39.8","avg_vel_v":"-5.735009765625","heading":"136.1","temp":"-57.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852621","snr":"13.2","f_error_hz":"585","distance":118}},"timestamp":"1791852621"},"geometry":{"coordinates":[[-72.35328,41.94969],[-72.35328,41.94969]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13946.6","frame":"1475887821","batt_v":"3.6","sats":"11","vel_v":"-6","vel_h":"39.8","avg_vel_v":"-5.735009765625","heading":"136.1","temp":"-57.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852621","snr":"13.2","f_error_hz":"585","distance":118}},"timestamp":"1791852621"},"geometry":{"coordinates":[[-72.35328,41.94969],[-72.35328,41.94969]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13946.6","frame":"1475887821","batt_v":"3.6","sats":"11","vel_v":"-6","vel_h":"39.8","avg_vel_v":"-5.735009765625","heading":"136.1","temp":"-57.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852621","snr":"13.2","f_error_hz":"585","distance":118}},"timestamp":"1791852621"},"geometry":{"coordinates":[[-72.35328,41.94969],[-72.35328,41.94969]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13946.6","frame":"1475887821","batt_v":"3.6","sats":"11","vel_v":"-6","vel_h":"39.8","avg_vel_v":"-5.735009765625","heading":"136.1","temp":"-57.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852621","snr":"13.2","f_error_hz":"585","distance":118}},"timestamp":"1791852621"},"geometry":{"coordinates":[[-72.35328,41.94969],[-72.35328,41.94969]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13946.6","frame":"1475887821","batt_v":"3.6","sats":"11","vel_v":"-6","vel_h":"39.8","avg_vel_v":"-5.735009765625","heading":"136.1","temp":"-57.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852621","snr":"13.2","f_error_hz":"585","distance":118}},"timestamp":"1791852621"},"geometry":{"coordinates":[[-72.35328,41.94969],[-72.35328,41.94969]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13807","frame":"1475887845","batt_v":"3.6","sats":"10","vel_v":"-7.1","vel_h":"43","avg_vel_v":"-5.816650390625","heading":"133.6","temp":"-57.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852645","snr":"11.1","f_error_hz":"585","distance":118}},"timestamp":"1791852645"},"geometry":{"coordinates":[[-72.35328,41.94969],[-72.34485,41.94362]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13807","frame":"1475887845","batt_v":"3.6","sats":"10","vel_v":"-7.1","vel_h":"43","avg_vel_v":"-5.816650390625","heading":"133.6","temp":"-57.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852645","snr":"11.1","f_error_hz":"585","distance":118}},"timestamp":"1791852645"},"geometry":{"coordinates":[[-72.34485,41.94362],[-72.34485,41.94362]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13807","frame":"1475887845","batt_v":"3.6","sats":"10","vel_v":"-7.1","vel_h":"43","avg_vel_v":"-5.816650390625","heading":"133.6","temp":"-57.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852645","snr":"11.1","f_error_hz":"585","distance":118}},"timestamp":"1791852645"},"geometry":{"coordinates":[[-72.34485,41.94362],[-72.34485,41.94362]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34485,41.94362],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13788.7","frame":"1475887848","batt_v":"3.6","sats":"10","vel_v":"-4.7","vel_h":"37.8","avg_vel_v":"-5.8481264467592595","heading":"132.3","temp":"-57.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852648","snr":"8.2","f_error_hz":"585","distance":118}},"timestamp":"1791852648"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.34373,41.94289]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13305.4","frame":"1475887931","batt_v":"3.6","sats":"10","vel_v":"-5.5","vel_h":"45.4","heading":"132.6","temp":"-56.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852731","snr":"9.7","f_error_hz":"585","distance":116}},"timestamp":"1791852731"},"geometry":{"coordinates":[[-72.34373,41.94289],[-72.31192,41.92385]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13300.9","frame":"1475887932","batt_v":"3.6","sats":"10","vel_v":"-3.8","vel_h":"40.8","avg_vel_v":"-4.5","heading":"132.2","temp":"-56.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852732","snr":"8","f_error_hz":"585","distance":116}},"timestamp":"1791852732"},"geometry":{"coordinates":[[-72.31192,41.92385],[-72.31154,41.92358]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13300.9","frame":"1475887932","batt_v":"3.6","sats":"10","vel_v":"-3.8","vel_h":"40.8","avg_vel_v":"-4.5","heading":"132.2","temp":"-56.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852732","snr":"8","f_error_hz":"585","distance":116}},"timestamp":"1791852732"},"geometry":{"coordinates":[[-72.31154,41.92358],[-72.31154,41.92358]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13300.9","frame":"1475887932","batt_v":"3.6","sats":"10","vel_v":"-3.8","vel_h":"40.8","avg_vel_v":"-4.5","heading":"132.2","temp":"-56.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852732","snr":"8","f_error_hz":"585","distance":116}},"timestamp":"1791852732"},"geometry":{"coordinates":[[-72.31154,41.92358],[-72.31154,41.92358]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13300.9","frame":"1475887932","batt_v":"3.6","sats":"10","vel_v":"-3.8","vel_h":"40.8","avg_vel_v":"-4.5","heading":"132.2","temp":"-56.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852732","snr":"8","f_error_hz":"585","distance":116}},"timestamp":"1791852732"},"geometry":{"coordinates":[[-72.31154,41.92358],[-72.31154,41.92358]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13300.9","frame":"1475887932","batt_v":"3.6","sats":"10","vel_v":"-3.8","vel_h":"40.8","avg_vel_v":"-4.5","heading":"132.2","temp":"-56.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852732","snr":"8","f_error_hz":"585","distance":116}},"timestamp":"1791852732"},"geometry":{"coordinates":[[-72.31154,41.92358],[-72.31154,41.92358]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13300.9","frame":"1475887932","batt_v":"3.6","sats":"10","vel_v":"-3.8","vel_h":"40.8","avg_vel_v":"-4.5","heading":"132.2","temp":"-56.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852732","snr":"8","f_error_hz":"585","distance":116}},"timestamp":"1791852732"},"geometry":{"coordinates":[[-72.31154,41.92358],[-72.31154,41.92358]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13300.9","frame":"1475887932","batt_v":"3.6","sats":"10","vel_v":"-3.8","vel_h":"40.8","avg_vel_v":"-4.5","heading":"132.2","temp":"-56.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852732","snr":"8","f_error_hz":"585","distance":116}},"timestamp":"1791852732"},"geometry":{"coordinates":[[-72.31154,41.92358],[-72.31154,41.92358]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13197.3","frame":"1475887953","batt_v":"3.6","sats":"10","vel_v":"-3.4","vel_h":"43.3","avg_vel_v":"-4.913662997159091","heading":"128.2","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852753","snr":"12.4","f_error_hz":"585","distance":116}},"timestamp":"1791852753"},"geometry":{"coordinates":[[-72.31154,41.92358],[-72.30318,41.91872]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13197.3","frame":"1475887953","batt_v":"3.6","sats":"10","vel_v":"-3.4","vel_h":"43.3","avg_vel_v":"-4.913662997159091","heading":"128.2","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852753","snr":"12.4","f_error_hz":"585","distance":116}},"timestamp":"1791852753"},"geometry":{"coordinates":[[-72.30318,41.91872],[-72.30318,41.91872]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13178.8","frame":"1475887957","batt_v":"3.6","sats":"10","vel_v":"-6.2","vel_h":"40.6","avg_vel_v":"-4.869253305288462","heading":"128","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852757","snr":"12.2","f_error_hz":"585","distance":116}},"timestamp":"1791852757"},"geometry":{"coordinates":[[-72.30318,41.91872],[-72.30165,41.91788]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13178.8","frame":"1475887957","batt_v":"3.6","sats":"10","vel_v":"-6.2","vel_h":"40.6","avg_vel_v":"-4.869253305288462","heading":"128","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852757","snr":"12.2","f_error_hz":"585","distance":116}},"timestamp":"1791852757"},"geometry":{"coordinates":[[-72.30165,41.91788],[-72.30165,41.91788]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13162.3","frame":"1475887960","batt_v":"3.6","sats":"10","vel_v":"-6.2","vel_h":"39.4","avg_vel_v":"-4.934502963362069","heading":"124.9","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852760","snr":"11.7","f_error_hz":"585","distance":116}},"timestamp":"1791852760"},"geometry":{"coordinates":[[-72.30165,41.91788],[-72.30045,41.91721]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13147.5","frame":"1475887963","batt_v":"3.6","sats":"10","vel_v":"-3.2","vel_h":"41","avg_vel_v":"-4.97998046875","heading":"122.6","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852763","snr":"13.2","f_error_hz":"585","distance":116}},"timestamp":"1791852763"},"geometry":{"coordinates":[[-72.30045,41.91721],[-72.29925,41.91661]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13147.5","frame":"1475887963","batt_v":"3.6","sats":"10","vel_v":"-3.2","vel_h":"41","avg_vel_v":"-4.97998046875","heading":"122.6","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852763","snr":"13.2","f_error_hz":"585","distance":116}},"timestamp":"1791852763"},"geometry":{"coordinates":[[-72.29925,41.91661],[-72.29925,41.91661]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13127.7","frame":"1475887967","batt_v":"3.6","sats":"10","vel_v":"-6.2","vel_h":"37","avg_vel_v":"-4.971400669642857","heading":"124.4","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852767","snr":"13.6","f_error_hz":"585","distance":116}},"timestamp":"1791852767"},"geometry":{"coordinates":[[-72.29925,41.91661],[-72.29769,41.91576]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13098.1","frame":"1475887974","batt_v":"3.6","sats":"10","vel_v":"-3.1","vel_h":"43.2","avg_vel_v":"-4.723818824404762","heading":"123.8","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852774","snr":"14","f_error_hz":"585","distance":116}},"timestamp":"1791852774"},"geometry":{"coordinates":[[-72.29769,41.91576],[-72.29497,41.91433]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13098.1","frame":"1475887974","batt_v":"3.6","sats":"10","vel_v":"-3.1","vel_h":"43.2","avg_vel_v":"-4.723818824404762","heading":"123.8","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852774","snr":"14","f_error_hz":"585","distance":116}},"timestamp":"1791852774"},"geometry":{"coordinates":[[-72.29497,41.91433],[-72.29497,41.91433]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13098.1","frame":"1475887974","batt_v":"3.6","sats":"10","vel_v":"-3.1","vel_h":"43.2","avg_vel_v":"-4.723818824404762","heading":"123.8","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852774","snr":"14","f_error_hz":"585","distance":116}},"timestamp":"1791852774"},"geometry":{"coordinates":[[-72.29497,41.91433],[-72.29497,41.91433]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13098.1","frame":"1475887974","batt_v":"3.6","sats":"10","vel_v":"-3.1","vel_h":"43.2","avg_vel_v":"-4.723818824404762","heading":"123.8","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852774","snr":"14","f_error_hz":"585","distance":116}},"timestamp":"1791852774"},"geometry":{"coordinates":[[-72.29497,41.91433],[-72.29497,41.91433]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13098.1","frame":"1475887974","batt_v":"3.6","sats":"10","vel_v":"-3.1","vel_h":"43.2","avg_vel_v":"-4.723818824404762","heading":"123.8","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852774","snr":"14","f_error_hz":"585","distance":116}},"timestamp":"1791852774"},"geometry":{"coordinates":[[-72.29497,41.91433],[-72.29497,41.91433]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13098.1","frame":"1475887974","batt_v":"3.6","sats":"10","vel_v":"-3.1","vel_h":"43.2","avg_vel_v":"-4.723818824404762","heading":"123.8","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852774","snr":"14","f_error_hz":"585","distance":116}},"timestamp":"1791852774"},"geometry":{"coordinates":[[-72.29497,41.91433],[-72.29497,41.91433]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13098.1","frame":"1475887974","batt_v":"3.6","sats":"10","vel_v":"-3.1","vel_h":"43.2","avg_vel_v":"-4.723818824404762","heading":"123.8","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852774","snr":"14","f_error_hz":"585","distance":116}},"timestamp":"1791852774"},"geometry":{"coordinates":[[-72.29497,41.91433],[-72.29497,41.91433]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13098.1","frame":"1475887974","batt_v":"3.6","sats":"10","vel_v":"-3.1","vel_h":"43.2","avg_vel_v":"-4.723818824404762","heading":"123.8","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852774","snr":"14","f_error_hz":"585","distance":116}},"timestamp":"1791852774"},"geometry":{"coordinates":[[-72.29497,41.91433],[-72.29497,41.91433]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13009.1","frame":"1475887994","batt_v":"3.6","sats":"11","vel_v":"-5.3","vel_h":"40.7","avg_vel_v":"-4.392614293981482","heading":"122.1","temp":"-55.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852794","snr":"12.3","f_error_hz":"585","distance":115}},"timestamp":"1791852794"},"geometry":{"coordinates":[[-72.29497,41.91433],[-72.28725,41.91022]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13009.1","frame":"1475887994","batt_v":"3.6","sats":"11","vel_v":"-5.3","vel_h":"40.7","avg_vel_v":"-4.392614293981482","heading":"122.1","temp":"-55.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852794","snr":"12.3","f_error_hz":"585","distance":115}},"timestamp":"1791852794"},"geometry":{"coordinates":[[-72.28725,41.91022],[-72.28725,41.91022]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13009.1","frame":"1475887994","batt_v":"3.6","sats":"11","vel_v":"-5.3","vel_h":"40.7","avg_vel_v":"-4.392614293981482","heading":"122.1","temp":"-55.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852794","snr":"12.3","f_error_hz":"585","distance":115}},"timestamp":"1791852794"},"geometry":{"coordinates":[[-72.28725,41.91022],[-72.28725,41.91022]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13009.1","frame":"1475887994","batt_v":"3.6","sats":"11","vel_v":"-5.3","vel_h":"40.7","avg_vel_v":"-4.392614293981482","heading":"122.1","temp":"-55.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852794","snr":"12.3","f_error_hz":"585","distance":115}},"timestamp":"1791852794"},"geometry":{"coordinates":[[-72.28725,41.91022],[-72.28725,41.91022]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13009.1","frame":"1475887994","batt_v":"3.6","sats":"11","vel_v":"-5.3","vel_h":"40.7","avg_vel_v":"-4.392614293981482","heading":"122.1","temp":"-55.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852794","snr":"12.3","f_error_hz":"585","distance":115}},"timestamp":"1791852794"},"geometry":{"coordinates":[[-72.28725,41.91022],[-72.28725,41.91022]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13009.1","frame":"1475887994","batt_v":"3.6","sats":"11","vel_v":"-5.3","vel_h":"40.7","avg_vel_v":"-4.392614293981482","heading":"122.1","temp":"-55.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852794","snr":"12.3","f_error_hz":"585","distance":115}},"timestamp":"1791852794"},"geometry":{"coordinates":[[-72.28725,41.91022],[-72.28725,41.91022]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13009.1","frame":"1475887994","batt_v":"3.6","sats":"11","vel_v":"-5.3","vel_h":"40.7","avg_vel_v":"-4.392614293981482","heading":"122.1","temp":"-55.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852794","snr":"12.3","f_error_hz":"585","distance":115}},"timestamp":"1791852794"},"geometry":{"coordinates":[[-72.28725,41.91022],[-72.28725,41.91022]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"13009.1","frame":"1475887994","batt_v":"3.6","sats":"11","vel_v":"-5.3","vel_h":"40.7","avg_vel_v":"-4.392614293981482","heading":"122.1","temp":"-55.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852794","snr":"12.3","f_error_hz":"585","distance":115}},"timestamp":"1791852794"},"geometry":{"coordinates":[[-72.28725,41.91022],[-72.28725,41.91022]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12919.8","frame":"1475888016","batt_v":"3.6","sats":"11","vel_v":"-3.5","vel_h":"38.4","avg_vel_v":"-4.05908203125","heading":"124.5","temp":"-55.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852816","snr":"13.1","f_error_hz":"585","distance":115}},"timestamp":"1791852816"},"geometry":{"coordinates":[[-72.28725,41.91022],[-72.27878,41.90574]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12919.8","frame":"1475888016","batt_v":"3.6","sats":"11","vel_v":"-3.5","vel_h":"38.4","avg_vel_v":"-4.05908203125","heading":"124.5","temp":"-55.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852816","snr":"13.1","f_error_hz":"585","distance":115}},"timestamp":"1791852816"},"geometry":{"coordinates":[[-72.27878,41.90574],[-72.27878,41.90574]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12899","frame":"1475888021","batt_v":"3.6","sats":"11","vel_v":"-4.5","vel_h":"38.9","avg_vel_v":"-4.077763310185185","heading":"124.8","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852821","snr":"12.3","f_error_hz":"585","distance":115}},"timestamp":"1791852821"},"geometry":{"coordinates":[[-72.27878,41.90574],[-72.27686,41.90475]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12882.4","frame":"1475888025","batt_v":"3.6","sats":"11","vel_v":"-3.4","vel_h":"39.3","avg_vel_v":"-4.155490451388889","heading":"124.3","temp":"-55.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852825","snr":"11.2","f_error_hz":"585","distance":115}},"timestamp":"1791852825"},"geometry":{"coordinates":[[-72.27686,41.90475],[-72.27534,41.90391]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12882.4","frame":"1475888025","batt_v":"3.6","sats":"11","vel_v":"-3.4","vel_h":"39.3","avg_vel_v":"-4.155490451388889","heading":"124.3","temp":"-55.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852825","snr":"11.2","f_error_hz":"585","distance":115}},"timestamp":"1791852825"},"geometry":{"coordinates":[[-72.27534,41.90391],[-72.27534,41.90391]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12868.7","frame":"1475888028","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"37.8","avg_vel_v":"-4.25830078125","heading":"126","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852828","snr":"10.7","f_error_hz":"585","distance":115}},"timestamp":"1791852828"},"geometry":{"coordinates":[[-72.27534,41.90391],[-72.27419,41.90334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12868.7","frame":"1475888028","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"37.8","avg_vel_v":"-4.25830078125","heading":"126","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852828","snr":"10.7","f_error_hz":"585","distance":115}},"timestamp":"1791852828"},"geometry":{"coordinates":[[-72.27419,41.90334],[-72.27419,41.90334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12868.7","frame":"1475888028","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"37.8","avg_vel_v":"-4.25830078125","heading":"126","temp":"-55.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852828","snr":"10.7","f_error_hz":"585","distance":115}},"timestamp":"1791852828"},"geometry":{"coordinates":[[-72.27419,41.90334],[-72.27419,41.90334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12830.5","frame":"1475888037","batt_v":"3.6","sats":"10","vel_v":"-2.5","vel_h":"37.6","avg_vel_v":"-4.252371651785714","heading":"127.3","temp":"-55.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852837","snr":"12.2","f_error_hz":"585","distance":115}},"timestamp":"1791852837"},"geometry":{"coordinates":[[-72.27419,41.90334],[-72.2708,41.90151]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12830.5","frame":"1475888037","batt_v":"3.6","sats":"10","vel_v":"-2.5","vel_h":"37.6","avg_vel_v":"-4.252371651785714","heading":"127.3","temp":"-55.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852837","snr":"12.2","f_error_hz":"585","distance":115}},"timestamp":"1791852837"},"geometry":{"coordinates":[[-72.2708,41.90151],[-72.2708,41.90151]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12811.2","frame":"1475888042","batt_v":"3.6","sats":"10","vel_v":"-3.5","vel_h":"39.4","avg_vel_v":"-4.176908052884615","heading":"122.6","temp":"-55.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852842","snr":"11","f_error_hz":"585","distance":114}},"timestamp":"1791852842"},"geometry":{"coordinates":[[-72.2708,41.90151],[-72.26888,41.90051]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12799","frame":"1475888045","batt_v":"3.6","sats":"10","vel_v":"-3.6","vel_h":"39.8","avg_vel_v":"-4.165510506465517","heading":"125.6","temp":"-55.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852845","snr":"10.7","f_error_hz":"585","distance":114}},"timestamp":"1791852845"},"geometry":{"coordinates":[[-72.26888,41.90051],[-72.26769,41.8999]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12781.2","frame":"1475888049","batt_v":"3.6","sats":"10","vel_v":"-4.5","vel_h":"39.8","avg_vel_v":"-4.207135881696429","heading":"124.7","temp":"-55.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852849","snr":"11.7","f_error_hz":"585","distance":114}},"timestamp":"1791852849"},"geometry":{"coordinates":[[-72.26769,41.8999],[-72.26607,41.89911]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12781.2","frame":"1475888049","batt_v":"3.6","sats":"10","vel_v":"-4.5","vel_h":"39.8","avg_vel_v":"-4.207135881696429","heading":"124.7","temp":"-55.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852849","snr":"11.7","f_error_hz":"585","distance":114}},"timestamp":"1791852849"},"geometry":{"coordinates":[[-72.26607,41.89911],[-72.26607,41.89911]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12768.1","frame":"1475888052","batt_v":"3.6","sats":"10","vel_v":"-2.4","vel_h":"42.6","avg_vel_v":"-4.233362268518518","heading":"123.5","temp":"-55.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852852","snr":"11.8","f_error_hz":"585","distance":114}},"timestamp":"1791852852"},"geometry":{"coordinates":[[-72.26607,41.89911],[-72.26487,41.89847]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12736.2","frame":"1475888060","batt_v":"3.6","sats":"10","vel_v":"-4.1","vel_h":"38.7","avg_vel_v":"-4.099991508152174","heading":"127.2","temp":"-55.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852860","snr":"12.7","f_error_hz":"585","distance":114}},"timestamp":"1791852860"},"geometry":{"coordinates":[[-72.26487,41.89847],[-72.26171,41.89681]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12736.2","frame":"1475888060","batt_v":"3.6","sats":"10","vel_v":"-4.1","vel_h":"38.7","avg_vel_v":"-4.099991508152174","heading":"127.2","temp":"-55.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852860","snr":"12.7","f_error_hz":"585","distance":114}},"timestamp":"1791852860"},"geometry":{"coordinates":[[-72.26171,41.89681],[-72.26171,41.89681]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12736.2","frame":"1475888060","batt_v":"3.6","sats":"10","vel_v":"-4.1","vel_h":"38.7","avg_vel_v":"-4.099991508152174","heading":"127.2","temp":"-55.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852860","snr":"12.7","f_error_hz":"585","distance":114}},"timestamp":"1791852860"},"geometry":{"coordinates":[[-72.26171,41.89681],[-72.26171,41.89681]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12727.8","frame":"1475888062","batt_v":"3.6","sats":"10","vel_v":"-4.1","vel_h":"38.6","avg_vel_v":"-4.1080078125","heading":"125","temp":"-55.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852862","snr":"13.3","f_error_hz":"585","distance":114}},"timestamp":"1791852862"},"geometry":{"coordinates":[[-72.26171,41.89681],[-72.26094,41.8964]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12709.8","frame":"1475888066","batt_v":"3.6","sats":"10","vel_v":"-4.4","vel_h":"41.7","avg_vel_v":"-4.162075700431035","heading":"126.1","temp":"-55.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852866","snr":"13.1","f_error_hz":"585","distance":114}},"timestamp":"1791852866"},"geometry":{"coordinates":[[-72.26094,41.8964],[-72.25935,41.89564]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12696.2","frame":"1475888069","batt_v":"3.6","sats":"10","vel_v":"-4.1","vel_h":"39.5","avg_vel_v":"-4.2592592592592595","heading":"122.5","temp":"-55.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852869","snr":"11.8","f_error_hz":"585","distance":114}},"timestamp":"1791852869"},"geometry":{"coordinates":[[-72.25935,41.89564],[-72.25818,41.89505]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12679.3","frame":"1475888073","batt_v":"3.6","sats":"10","vel_v":"-6","vel_h":"39.3","avg_vel_v":"-4.275006975446429","heading":"120.8","temp":"-55.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852873","snr":"12.7","f_error_hz":"585","distance":114}},"timestamp":"1791852873"},"geometry":{"coordinates":[[-72.25818,41.89505],[-72.25655,41.89426]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12679.3","frame":"1475888073","batt_v":"3.6","sats":"10","vel_v":"-6","vel_h":"39.3","avg_vel_v":"-4.275006975446429","heading":"120.8","temp":"-55.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852873","snr":"12.7","f_error_hz":"585","distance":114}},"timestamp":"1791852873"},"geometry":{"coordinates":[[-72.25655,41.89426],[-72.25655,41.89426]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12669.6","frame":"1475888075","batt_v":"3.6","sats":"10","vel_v":"-5","vel_h":"39","avg_vel_v":"-4.292330228365385","heading":"120.5","temp":"-55.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852875","snr":"13.1","f_error_hz":"585","distance":114}},"timestamp":"1791852875"},"geometry":{"coordinates":[[-72.25655,41.89426],[-72.25575,41.89393]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12634","frame":"1475888083","batt_v":"3.6","sats":"10","vel_v":"-4.5","vel_h":"38.3","avg_vel_v":"-4.443486752717392","heading":"121.6","temp":"-55.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852883","snr":"11","f_error_hz":"585","distance":114}},"timestamp":"1791852883"},"geometry":{"coordinates":[[-72.25575,41.89393],[-72.25255,41.89245]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12634","frame":"1475888083","batt_v":"3.6","sats":"10","vel_v":"-4.5","vel_h":"38.3","avg_vel_v":"-4.443486752717392","heading":"121.6","temp":"-55.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852883","snr":"11","f_error_hz":"585","distance":114}},"timestamp":"1791852883"},"geometry":{"coordinates":[[-72.25255,41.89245],[-72.25255,41.89245]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12619.6","frame":"1475888086","batt_v":"3.6","sats":"10","vel_v":"-4.5","vel_h":"38.2","avg_vel_v":"-4.484637920673077","heading":"120","temp":"-55.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852886","snr":"10.5","f_error_hz":"585","distance":114}},"timestamp":"1791852886"},"geometry":{"coordinates":[[-72.25255,41.89245],[-72.25143,41.89192]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12619.6","frame":"1475888086","batt_v":"3.6","sats":"10","vel_v":"-4.5","vel_h":"38.2","avg_vel_v":"-4.484637920673077","heading":"120","temp":"-55.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852886","snr":"10.5","f_error_hz":"585","distance":114}},"timestamp":"1791852886"},"geometry":{"coordinates":[[-72.25143,41.89192],[-72.25143,41.89192]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12601.6","frame":"1475888090","batt_v":"3.6","sats":"10","vel_v":"-4.4","vel_h":"37.5","avg_vel_v":"-4.507149832589286","heading":"121.4","temp":"-55.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852890","snr":"10.7","f_error_hz":"585","distance":114}},"timestamp":"1791852890"},"geometry":{"coordinates":[[-72.25143,41.89192],[-72.24989,41.89125]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12588.6","frame":"1475888093","batt_v":"3.6","sats":"10","vel_v":"-4.3","vel_h":"38.2","avg_vel_v":"-4.488896122685185","heading":"122.4","temp":"-55.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852893","snr":"11.4","f_error_hz":"585","distance":114}},"timestamp":"1791852893"},"geometry":{"coordinates":[[-72.24989,41.89125],[-72.24871,41.89074]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12588.6","frame":"1475888093","batt_v":"3.6","sats":"10","vel_v":"-4.3","vel_h":"38.2","avg_vel_v":"-4.488896122685185","heading":"122.4","temp":"-55.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852893","snr":"11.4","f_error_hz":"585","distance":114}},"timestamp":"1791852893"},"geometry":{"coordinates":[[-72.24871,41.89074],[-72.24871,41.89074]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12566.5","frame":"1475888098","batt_v":"3.6","sats":"10","vel_v":"-5.2","vel_h":"37.8","avg_vel_v":"-4.472420528017241","heading":"122.5","temp":"-55","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852898","snr":"12","f_error_hz":"585","distance":113}},"timestamp":"1791852898"},"geometry":{"coordinates":[[-72.24871,41.89074],[-72.24674,41.88988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12540.2","frame":"1475888103","batt_v":"3.6","sats":"10","vel_v":"-5.1","vel_h":"37.6","avg_vel_v":"-4.621407645089286","heading":"124.3","temp":"-54.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852903","snr":"11.6","f_error_hz":"585","distance":113}},"timestamp":"1791852903"},"geometry":{"coordinates":[[-72.24674,41.88988],[-72.24484,41.88893]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12540.2","frame":"1475888103","batt_v":"3.6","sats":"10","vel_v":"-5.1","vel_h":"37.6","avg_vel_v":"-4.621407645089286","heading":"124.3","temp":"-54.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852903","snr":"11.6","f_error_hz":"585","distance":113}},"timestamp":"1791852903"},"geometry":{"coordinates":[[-72.24484,41.88893],[-72.24484,41.88893]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12516.3","frame":"1475888108","batt_v":"3.6","sats":"10","vel_v":"-3.9","vel_h":"39.3","avg_vel_v":"-4.7080078125","heading":"120.7","temp":"-54.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852908","snr":"11.2","f_error_hz":"585","distance":113}},"timestamp":"1791852908"},"geometry":{"coordinates":[[-72.24484,41.88893],[-72.24287,41.88802]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12516.3","frame":"1475888108","batt_v":"3.6","sats":"10","vel_v":"-3.9","vel_h":"39.3","avg_vel_v":"-4.7080078125","heading":"120.7","temp":"-54.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852908","snr":"11.2","f_error_hz":"585","distance":113}},"timestamp":"1791852908"},"geometry":{"coordinates":[[-72.24287,41.88802],[-72.24287,41.88802]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12503.8","frame":"1475888111","batt_v":"3.6","sats":"10","vel_v":"-4.9","vel_h":"39","avg_vel_v":"-4.650006975446429","heading":"120","temp":"-54.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852911","snr":"11","f_error_hz":"585","distance":113}},"timestamp":"1791852911"},"geometry":{"coordinates":[[-72.24287,41.88802],[-72.2417,41.88746]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12488.4","frame":"1475888114","batt_v":"3.6","sats":"10","vel_v":"-4.8","vel_h":"37.8","avg_vel_v":"-4.685686383928571","heading":"121.5","temp":"-54.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852914","snr":"10.4","f_error_hz":"585","distance":113}},"timestamp":"1791852914"},"geometry":{"coordinates":[[-72.2417,41.88746],[-72.24054,41.88692]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12488.4","frame":"1475888114","batt_v":"3.6","sats":"10","vel_v":"-4.8","vel_h":"37.8","avg_vel_v":"-4.685686383928571","heading":"121.5","temp":"-54.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852914","snr":"10.4","f_error_hz":"585","distance":113}},"timestamp":"1791852914"},"geometry":{"coordinates":[[-72.24054,41.88692],[-72.24054,41.88692]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12488.4","frame":"1475888114","batt_v":"3.6","sats":"10","vel_v":"-4.8","vel_h":"37.8","avg_vel_v":"-4.685686383928571","heading":"121.5","temp":"-54.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852914","snr":"10.4","f_error_hz":"585","distance":113}},"timestamp":"1791852914"},"geometry":{"coordinates":[[-72.24054,41.88692],[-72.24054,41.88692]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.24054,41.88692],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12444.5","frame":"1475888123","batt_v":"3.5","sats":"10","vel_v":"-3.5","vel_h":"36.3","avg_vel_v":"-4.88","heading":"121.5","temp":"-54.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852923","snr":"11.9","f_error_hz":"585","distance":113}},"timestamp":"1791852923"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.2372,41.88531]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12199.9","frame":"1475888169","batt_v":"3.5","sats":"10","vel_v":"-5.3","vel_h":"35.5","heading":"127.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852969","snr":"9.9","f_error_hz":"585","distance":112}},"timestamp":"1791852969"},"geometry":{"coordinates":[[-72.2372,41.88531],[-72.22109,41.8772]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12199.9","frame":"1475888169","batt_v":"3.5","sats":"10","vel_v":"-5.3","vel_h":"35.5","heading":"127.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852969","snr":"9.9","f_error_hz":"585","distance":112}},"timestamp":"1791852969"},"geometry":{"coordinates":[[-72.22109,41.8772],[-72.22109,41.8772]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22109,41.8772],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"12185.1","dashArray":"8","frame":"1475888172","batt_v":"3.5","sats":"10","vel_v":"-5.7","vel_h":"35.6","avg_vel_v":"-4.93359375","heading":"127.8","temp":"-53","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791852972","snr":"8","f_error_hz":"585","distance":112}},"timestamp":"1791852972"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.22007,41.87663]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"11052.8","dashArray":"8","frame":"1475888383","batt_v":"3.5","sats":"11","vel_v":"-4.7","vel_h":"27.6","heading":"115.3","temp":"-50.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853183","snr":"7.4","f_error_hz":"585","distance":109}},"timestamp":"1791853183"},"geometry":{"coordinates":[[-72.22007,41.87663],[-72.15195,41.84676]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"11052.8","frame":"1475888383","batt_v":"3.5","sats":"11","vel_v":"-4.7","vel_h":"27.6","heading":"115.3","temp":"-50.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853183","snr":"7.4","f_error_hz":"585","distance":109}},"timestamp":"1791853183"},"geometry":{"coordinates":[[-72.15195,41.84676],[-72.15195,41.84676]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"11052.8","frame":"1475888383","batt_v":"3.5","sats":"11","vel_v":"-4.7","vel_h":"27.6","heading":"115.3","temp":"-50.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853183","snr":"7.4","f_error_hz":"585","distance":109}},"timestamp":"1791853183"},"geometry":{"coordinates":[[-72.15195,41.84676],[-72.15195,41.84676]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"11033.8","frame":"1475888387","batt_v":"3.5","sats":"11","vel_v":"-4.8","vel_h":"27.6","avg_vel_v":"-4.75","heading":"111.9","temp":"-50.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853187","snr":"7.6","f_error_hz":"585","distance":109}},"timestamp":"1791853187"},"geometry":{"coordinates":[[-72.15195,41.84676],[-72.15067,41.84637]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"11019.6","frame":"1475888390","batt_v":"3.5","sats":"11","vel_v":"-4.7","vel_h":"30","avg_vel_v":"-4.742885044642857","heading":"108.8","temp":"-50.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853190","snr":"9.2","f_error_hz":"585","distance":109}},"timestamp":"1791853190"},"geometry":{"coordinates":[[-72.15067,41.84637],[-72.14971,41.84606]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"11019.6","frame":"1475888390","batt_v":"3.5","sats":"11","vel_v":"-4.7","vel_h":"30","avg_vel_v":"-4.742885044642857","heading":"108.8","temp":"-50.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853190","snr":"9.2","f_error_hz":"585","distance":109}},"timestamp":"1791853190"},"geometry":{"coordinates":[[-72.14971,41.84606],[-72.14971,41.84606]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"11019.6","frame":"1475888390","batt_v":"3.5","sats":"11","vel_v":"-4.7","vel_h":"30","avg_vel_v":"-4.742885044642857","heading":"108.8","temp":"-50.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853190","snr":"9.2","f_error_hz":"585","distance":109}},"timestamp":"1791853190"},"geometry":{"coordinates":[[-72.14971,41.84606],[-72.14971,41.84606]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"11019.6","frame":"1475888390","batt_v":"3.5","sats":"11","vel_v":"-4.7","vel_h":"30","avg_vel_v":"-4.742885044642857","heading":"108.8","temp":"-50.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853190","snr":"9.2","f_error_hz":"585","distance":109}},"timestamp":"1791853190"},"geometry":{"coordinates":[[-72.14971,41.84606],[-72.14971,41.84606]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.14971,41.84606],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","dashArray":"8","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","dashArray":"8","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","dashArray":"8","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","dashArray":"8","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","dashArray":"8","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","dashArray":"8","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","dashArray":"8","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","dashArray":"8","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","dashArray":"8","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","dashArray":"8","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","dashArray":"8","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10953.9","dashArray":"8","frame":"1475888404","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"29.1","avg_vel_v":"-4.709495907738095","heading":"113","temp":"-49.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853204","snr":"6.3","f_error_hz":"585","distance":109}},"timestamp":"1791853204"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.1453,41.84469]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10217.4","dashArray":"8","frame":"1475888555","batt_v":"3.5","sats":"11","vel_v":"-5.4","vel_h":"27.8","heading":"110.5","temp":"-43.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853355","snr":"7.3","f_error_hz":"585","distance":106}},"timestamp":"1791853355"},"geometry":{"coordinates":[[-72.1453,41.84469],[-72.0979,41.83163]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10217.4","frame":"1475888555","batt_v":"3.5","sats":"11","vel_v":"-5.4","vel_h":"27.8","heading":"110.5","temp":"-43.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853355","snr":"7.3","f_error_hz":"585","distance":106}},"timestamp":"1791853355"},"geometry":{"coordinates":[[-72.0979,41.83163],[-72.0979,41.83163]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10217.4","frame":"1475888555","batt_v":"3.5","sats":"11","vel_v":"-5.4","vel_h":"27.8","heading":"110.5","temp":"-43.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853355","snr":"7.3","f_error_hz":"585","distance":106}},"timestamp":"1791853355"},"geometry":{"coordinates":[[-72.0979,41.83163],[-72.0979,41.83163]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10217.4","frame":"1475888555","batt_v":"3.5","sats":"11","vel_v":"-5.4","vel_h":"27.8","heading":"110.5","temp":"-43.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853355","snr":"7.3","f_error_hz":"585","distance":106}},"timestamp":"1791853355"},"geometry":{"coordinates":[[-72.0979,41.83163],[-72.0979,41.83163]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10217.4","frame":"1475888555","batt_v":"3.5","sats":"11","vel_v":"-5.4","vel_h":"27.8","heading":"110.5","temp":"-43.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853355","snr":"7.3","f_error_hz":"585","distance":106}},"timestamp":"1791853355"},"geometry":{"coordinates":[[-72.0979,41.83163],[-72.0979,41.83163]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10217.4","frame":"1475888555","batt_v":"3.5","sats":"11","vel_v":"-5.4","vel_h":"27.8","heading":"110.5","temp":"-43.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853355","snr":"7.3","f_error_hz":"585","distance":106}},"timestamp":"1791853355"},"geometry":{"coordinates":[[-72.0979,41.83163],[-72.0979,41.83163]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10217.4","frame":"1475888555","batt_v":"3.5","sats":"11","vel_v":"-5.4","vel_h":"27.8","heading":"110.5","temp":"-43.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853355","snr":"7.3","f_error_hz":"585","distance":106}},"timestamp":"1791853355"},"geometry":{"coordinates":[[-72.0979,41.83163],[-72.0979,41.83163]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10217.4","frame":"1475888555","batt_v":"3.5","sats":"11","vel_v":"-5.4","vel_h":"27.8","heading":"110.5","temp":"-43.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853355","snr":"7.3","f_error_hz":"585","distance":106}},"timestamp":"1791853355"},"geometry":{"coordinates":[[-72.0979,41.83163],[-72.0979,41.83163]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10101.6","frame":"1475888577","batt_v":"3.5","sats":"11","vel_v":"-5.1","vel_h":"27.4","avg_vel_v":"-5.263671875","heading":"107.2","temp":"-42.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853377","snr":"11.8","f_error_hz":"585","distance":106}},"timestamp":"1791853377"},"geometry":{"coordinates":[[-72.0979,41.83163],[-72.09091,41.83003]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10101.6","frame":"1475888577","batt_v":"3.5","sats":"11","vel_v":"-5.1","vel_h":"27.4","avg_vel_v":"-5.263671875","heading":"107.2","temp":"-42.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853377","snr":"11.8","f_error_hz":"585","distance":106}},"timestamp":"1791853377"},"geometry":{"coordinates":[[-72.09091,41.83003],[-72.09091,41.83003]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10101.6","frame":"1475888577","batt_v":"3.5","sats":"11","vel_v":"-5.1","vel_h":"27.4","avg_vel_v":"-5.263671875","heading":"107.2","temp":"-42.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853377","snr":"11.8","f_error_hz":"585","distance":106}},"timestamp":"1791853377"},"geometry":{"coordinates":[[-72.09091,41.83003],[-72.09091,41.83003]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10080.7","frame":"1475888581","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"27.4","avg_vel_v":"-5.257699819711538","heading":"103.9","temp":"-42.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853381","snr":"8.9","f_error_hz":"585","distance":106}},"timestamp":"1791853381"},"geometry":{"coordinates":[[-72.09091,41.83003],[-72.08961,41.82977]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10053.5","frame":"1475888586","batt_v":"3.5","sats":"11","vel_v":"-5.6","vel_h":"26.8","avg_vel_v":"-5.344401041666667","heading":"107","temp":"-42.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853386","snr":"8.4","f_error_hz":"585","distance":106}},"timestamp":"1791853386"},"geometry":{"coordinates":[[-72.08961,41.82977],[-72.08804,41.82944]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10037.5","frame":"1475888589","batt_v":"3.5","sats":"11","vel_v":"-5.6","vel_h":"27.4","avg_vel_v":"-5.341634114583333","heading":"104.3","temp":"-41.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853389","snr":"9","f_error_hz":"585","distance":106}},"timestamp":"1791853389"},"geometry":{"coordinates":[[-72.08804,41.82944],[-72.08709,41.82922]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10037.5","frame":"1475888589","batt_v":"3.5","sats":"11","vel_v":"-5.6","vel_h":"27.4","avg_vel_v":"-5.341634114583333","heading":"104.3","temp":"-41.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853389","snr":"9","f_error_hz":"585","distance":106}},"timestamp":"1791853389"},"geometry":{"coordinates":[[-72.08709,41.82922],[-72.08709,41.82922]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"10037.5","frame":"1475888589","batt_v":"3.5","sats":"11","vel_v":"-5.6","vel_h":"27.4","avg_vel_v":"-5.341634114583333","heading":"104.3","temp":"-41.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853389","snr":"9","f_error_hz":"585","distance":106}},"timestamp":"1791853389"},"geometry":{"coordinates":[[-72.08709,41.82922],[-72.08709,41.82922]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9983.6","frame":"1475888599","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"28.6","avg_vel_v":"-5.363636363636363","heading":"107.9","temp":"-41.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853399","snr":"11","f_error_hz":"585","distance":106}},"timestamp":"1791853399"},"geometry":{"coordinates":[[-72.08709,41.82922],[-72.08391,41.82852]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9978.4","frame":"1475888600","batt_v":"3.5","sats":"11","vel_v":"-5","vel_h":"27.1","avg_vel_v":"-5.356487771739131","heading":"106.5","temp":"-41.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853400","snr":"11.8","f_error_hz":"585","distance":106}},"timestamp":"1791853400"},"geometry":{"coordinates":[[-72.08391,41.82852],[-72.0836,41.82844]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9962.4","frame":"1475888603","batt_v":"3.5","sats":"11","vel_v":"-5.3","vel_h":"26.4","avg_vel_v":"-5.353816105769231","heading":"105.2","temp":"-41.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853403","snr":"10.2","f_error_hz":"585","distance":106}},"timestamp":"1791853403"},"geometry":{"coordinates":[[-72.0836,41.82844],[-72.08264,41.82825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9962.4","frame":"1475888603","batt_v":"3.5","sats":"11","vel_v":"-5.3","vel_h":"26.4","avg_vel_v":"-5.353816105769231","heading":"105.2","temp":"-41.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853403","snr":"10.2","f_error_hz":"585","distance":106}},"timestamp":"1791853403"},"geometry":{"coordinates":[[-72.08264,41.82825],[-72.08264,41.82825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9962.4","frame":"1475888603","batt_v":"3.5","sats":"11","vel_v":"-5.3","vel_h":"26.4","avg_vel_v":"-5.353816105769231","heading":"105.2","temp":"-41.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853403","snr":"10.2","f_error_hz":"585","distance":106}},"timestamp":"1791853403"},"geometry":{"coordinates":[[-72.08264,41.82825],[-72.08264,41.82825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9962.4","frame":"1475888603","batt_v":"3.5","sats":"11","vel_v":"-5.3","vel_h":"26.4","avg_vel_v":"-5.353816105769231","heading":"105.2","temp":"-41.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853403","snr":"10.2","f_error_hz":"585","distance":106}},"timestamp":"1791853403"},"geometry":{"coordinates":[[-72.08264,41.82825],[-72.08264,41.82825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9962.4","frame":"1475888603","batt_v":"3.5","sats":"11","vel_v":"-5.3","vel_h":"26.4","avg_vel_v":"-5.353816105769231","heading":"105.2","temp":"-41.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853403","snr":"10.2","f_error_hz":"585","distance":106}},"timestamp":"1791853403"},"geometry":{"coordinates":[[-72.08264,41.82825],[-72.08264,41.82825]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9868.5","frame":"1475888620","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"28","avg_vel_v":"-5.480933779761905","heading":"103.2","temp":"-40.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853420","snr":"10.7","f_error_hz":"585","distance":105}},"timestamp":"1791853420"},"geometry":{"coordinates":[[-72.08264,41.82825],[-72.07725,41.82717]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9868.5","frame":"1475888620","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"28","avg_vel_v":"-5.480933779761905","heading":"103.2","temp":"-40.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853420","snr":"10.7","f_error_hz":"585","distance":105}},"timestamp":"1791853420"},"geometry":{"coordinates":[[-72.07725,41.82717],[-72.07725,41.82717]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9868.5","frame":"1475888620","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"28","avg_vel_v":"-5.480933779761905","heading":"103.2","temp":"-40.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853420","snr":"10.7","f_error_hz":"585","distance":105}},"timestamp":"1791853420"},"geometry":{"coordinates":[[-72.07725,41.82717],[-72.07725,41.82717]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9868.5","frame":"1475888620","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"28","avg_vel_v":"-5.480933779761905","heading":"103.2","temp":"-40.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853420","snr":"10.7","f_error_hz":"585","distance":105}},"timestamp":"1791853420"},"geometry":{"coordinates":[[-72.07725,41.82717],[-72.07725,41.82717]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9868.5","frame":"1475888620","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"28","avg_vel_v":"-5.480933779761905","heading":"103.2","temp":"-40.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853420","snr":"10.7","f_error_hz":"585","distance":105}},"timestamp":"1791853420"},"geometry":{"coordinates":[[-72.07725,41.82717],[-72.07725,41.82717]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9868.5","frame":"1475888620","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"28","avg_vel_v":"-5.480933779761905","heading":"103.2","temp":"-40.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853420","snr":"10.7","f_error_hz":"585","distance":105}},"timestamp":"1791853420"},"geometry":{"coordinates":[[-72.07725,41.82717],[-72.07725,41.82717]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9868.5","frame":"1475888620","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"28","avg_vel_v":"-5.480933779761905","heading":"103.2","temp":"-40.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853420","snr":"10.7","f_error_hz":"585","distance":105}},"timestamp":"1791853420"},"geometry":{"coordinates":[[-72.07725,41.82717],[-72.07725,41.82717]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9868.5","frame":"1475888620","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"28","avg_vel_v":"-5.480933779761905","heading":"103.2","temp":"-40.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853420","snr":"10.7","f_error_hz":"585","distance":105}},"timestamp":"1791853420"},"geometry":{"coordinates":[[-72.07725,41.82717],[-72.07725,41.82717]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9756.7","frame":"1475888641","batt_v":"3.5","sats":"11","vel_v":"-5.7","vel_h":"27.3","avg_vel_v":"-5.323800223214286","heading":"99.9","temp":"-39.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853441","snr":"11.4","f_error_hz":"585","distance":105}},"timestamp":"1791853441"},"geometry":{"coordinates":[[-72.07725,41.82717],[-72.07049,41.82584]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9756.7","frame":"1475888641","batt_v":"3.5","sats":"11","vel_v":"-5.7","vel_h":"27.3","avg_vel_v":"-5.323800223214286","heading":"99.9","temp":"-39.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853441","snr":"11.4","f_error_hz":"585","distance":105}},"timestamp":"1791853441"},"geometry":{"coordinates":[[-72.07049,41.82584],[-72.07049,41.82584]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9740.6","frame":"1475888644","batt_v":"3.5","sats":"11","vel_v":"-5.3","vel_h":"29.6","avg_vel_v":"-5.329182942708333","heading":"102.5","temp":"-39.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853444","snr":"11","f_error_hz":"585","distance":105}},"timestamp":"1791853444"},"geometry":{"coordinates":[[-72.07049,41.82584],[-72.06951,41.82567]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9740.6","frame":"1475888644","batt_v":"3.5","sats":"11","vel_v":"-5.3","vel_h":"29.6","avg_vel_v":"-5.329182942708333","heading":"102.5","temp":"-39.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853444","snr":"11","f_error_hz":"585","distance":105}},"timestamp":"1791853444"},"geometry":{"coordinates":[[-72.06951,41.82567],[-72.06951,41.82567]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9718.8","frame":"1475888648","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"25.6","avg_vel_v":"-5.346435546875","heading":"105.7","temp":"-39.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853448","snr":"11.7","f_error_hz":"585","distance":105}},"timestamp":"1791853448"},"geometry":{"coordinates":[[-72.06951,41.82567],[-72.06822,41.82538]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9718.8","frame":"1475888648","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"25.6","avg_vel_v":"-5.346435546875","heading":"105.7","temp":"-39.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853448","snr":"11.7","f_error_hz":"585","distance":105}},"timestamp":"1791853448"},"geometry":{"coordinates":[[-72.06822,41.82538],[-72.06822,41.82538]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9718.8","frame":"1475888648","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"25.6","avg_vel_v":"-5.346435546875","heading":"105.7","temp":"-39.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853448","snr":"11.7","f_error_hz":"585","distance":105}},"timestamp":"1791853448"},"geometry":{"coordinates":[[-72.06822,41.82538],[-72.06822,41.82538]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9718.8","frame":"1475888648","batt_v":"3.5","sats":"11","vel_v":"-5.5","vel_h":"25.6","avg_vel_v":"-5.346435546875","heading":"105.7","temp":"-39.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853448","snr":"11.7","f_error_hz":"585","distance":105}},"timestamp":"1791853448"},"geometry":{"coordinates":[[-72.06822,41.82538],[-72.06822,41.82538]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9650.1","frame":"1475888661","batt_v":"3.5","sats":"11","vel_v":"-5.2","vel_h":"29.8","avg_vel_v":"-5.330029296875","heading":"109.3","temp":"-38.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853461","snr":"10.2","f_error_hz":"585","distance":105}},"timestamp":"1791853461"},"geometry":{"coordinates":[[-72.06822,41.82538],[-72.06399,41.82456]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9650.1","frame":"1475888661","batt_v":"3.5","sats":"11","vel_v":"-5.2","vel_h":"29.8","avg_vel_v":"-5.330029296875","heading":"109.3","temp":"-38.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853461","snr":"10.2","f_error_hz":"585","distance":105}},"timestamp":"1791853461"},"geometry":{"coordinates":[[-72.06399,41.82456],[-72.06399,41.82456]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9624.1","frame":"1475888666","batt_v":"3.5","sats":"11","vel_v":"-5.3","vel_h":"27.2","avg_vel_v":"-5.3040234375","heading":"98.2","temp":"-38.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853466","snr":"8.8","f_error_hz":"585","distance":105}},"timestamp":"1791853466"},"geometry":{"coordinates":[[-72.06399,41.82456],[-72.06241,41.82426]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9624.1","frame":"1475888666","batt_v":"3.5","sats":"11","vel_v":"-5.3","vel_h":"27.2","avg_vel_v":"-5.3040234375","heading":"98.2","temp":"-38.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853466","snr":"8.8","f_error_hz":"585","distance":105}},"timestamp":"1791853466"},"geometry":{"coordinates":[[-72.06241,41.82426],[-72.06241,41.82426]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9609","frame":"1475888669","batt_v":"3.5","sats":"11","vel_v":"-5.2","vel_h":"28.1","avg_vel_v":"-5.275006975446429","heading":"106.8","temp":"-38.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853469","snr":"8.3","f_error_hz":"585","distance":105}},"timestamp":"1791853469"},"geometry":{"coordinates":[[-72.06241,41.82426],[-72.0614,41.82409]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9583.6","frame":"1475888674","batt_v":"3.6","sats":"11","vel_v":"-5.6","vel_h":"28.4","avg_vel_v":"-5.200007512019231","heading":"100.1","temp":"-38.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853474","snr":"13.2","f_error_hz":"585","distance":104}},"timestamp":"1791853474"},"geometry":{"coordinates":[[-72.0614,41.82409],[-72.05985,41.82382]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9572.7","frame":"1475888676","batt_v":"3.6","sats":"11","vel_v":"-5.4","vel_h":"28.3","avg_vel_v":"-5.217843191964286","heading":"103.1","temp":"-38","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853476","snr":"11.4","f_error_hz":"585","distance":104}},"timestamp":"1791853476"},"geometry":{"coordinates":[[-72.05985,41.82382],[-72.05918,41.82371]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9572.7","frame":"1475888676","batt_v":"3.6","sats":"11","vel_v":"-5.4","vel_h":"28.3","avg_vel_v":"-5.217843191964286","heading":"103.1","temp":"-38","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853476","snr":"11.4","f_error_hz":"585","distance":104}},"timestamp":"1791853476"},"geometry":{"coordinates":[[-72.05918,41.82371],[-72.05918,41.82371]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9531.7","frame":"1475888684","batt_v":"3.5","sats":"11","vel_v":"-5.1","vel_h":"28.1","avg_vel_v":"-5.147800611413044","heading":"101.9","temp":"-37.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853484","snr":"11.7","f_error_hz":"585","distance":104}},"timestamp":"1791853484"},"geometry":{"coordinates":[[-72.05918,41.82371],[-72.05664,41.82329]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9531.7","frame":"1475888684","batt_v":"3.5","sats":"11","vel_v":"-5.1","vel_h":"28.1","avg_vel_v":"-5.147800611413044","heading":"101.9","temp":"-37.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853484","snr":"11.7","f_error_hz":"585","distance":104}},"timestamp":"1791853484"},"geometry":{"coordinates":[[-72.05664,41.82329],[-72.05664,41.82329]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9516.6","frame":"1475888687","batt_v":"3.6","sats":"11","vel_v":"-4.5","vel_h":"26.1","avg_vel_v":"-5.134615384615385","heading":"108.9","temp":"-37.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853487","snr":"10.3","f_error_hz":"585","distance":104}},"timestamp":"1791853487"},"geometry":{"coordinates":[[-72.05664,41.82329],[-72.05569,41.82311]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9496.7","frame":"1475888691","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"27.4","avg_vel_v":"-5.0959765625","heading":"103.8","temp":"-37.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853491","snr":"9.6","f_error_hz":"585","distance":104}},"timestamp":"1791853491"},"geometry":{"coordinates":[[-72.05569,41.82311],[-72.05446,41.8229]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9496.7","frame":"1475888691","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"27.4","avg_vel_v":"-5.0959765625","heading":"103.8","temp":"-37.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853491","snr":"9.6","f_error_hz":"585","distance":104}},"timestamp":"1791853491"},"geometry":{"coordinates":[[-72.05446,41.8229],[-72.05446,41.8229]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9486.7","frame":"1475888693","batt_v":"3.5","sats":"11","vel_v":"-5.2","vel_h":"28.7","avg_vel_v":"-5.0888671875","heading":"106.5","temp":"-37.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853493","snr":"9.9","f_error_hz":"585","distance":104}},"timestamp":"1791853493"},"geometry":{"coordinates":[[-72.05446,41.8229],[-72.05379,41.82279]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9467.4","frame":"1475888697","batt_v":"3.5","sats":"11","vel_v":"-4.9","vel_h":"30.9","avg_vel_v":"-5.05712890625","heading":"104.1","temp":"-37.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853497","snr":"9","f_error_hz":"585","distance":104}},"timestamp":"1791853497"},"geometry":{"coordinates":[[-72.05379,41.82279],[-72.05255,41.82257]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9444.3","frame":"1475888701","batt_v":"3.6","sats":"11","vel_v":"-6.6","vel_h":"25.6","avg_vel_v":"-5.159252025462963","heading":"101.6","temp":"-36.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853501","snr":"6.9","f_error_hz":"585","distance":104}},"timestamp":"1791853501"},"geometry":{"coordinates":[[-72.05255,41.82257],[-72.05129,41.82233]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9406.3","frame":"1475888708","batt_v":"3.6","sats":"11","vel_v":"-5.7","vel_h":"28.3","avg_vel_v":"-5.225016276041667","heading":"102.2","temp":"-36.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853508","snr":"8.1","f_error_hz":"585","distance":104}},"timestamp":"1791853508"},"geometry":{"coordinates":[[-72.05129,41.82233],[-72.04907,41.82192]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9406.3","frame":"1475888708","batt_v":"3.6","sats":"11","vel_v":"-5.7","vel_h":"28.3","avg_vel_v":"-5.225016276041667","heading":"102.2","temp":"-36.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853508","snr":"8.1","f_error_hz":"585","distance":104}},"timestamp":"1791853508"},"geometry":{"coordinates":[[-72.04907,41.82192],[-72.04907,41.82192]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9406.3","frame":"1475888708","batt_v":"3.6","sats":"11","vel_v":"-5.7","vel_h":"28.3","avg_vel_v":"-5.225016276041667","heading":"102.2","temp":"-36.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853508","snr":"8.1","f_error_hz":"585","distance":104}},"timestamp":"1791853508"},"geometry":{"coordinates":[[-72.04907,41.82192],[-72.04907,41.82192]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9389.2","frame":"1475888711","batt_v":"3.6","sats":"11","vel_v":"-5.4","vel_h":"29.2","avg_vel_v":"-5.277777777777778","heading":"100.1","temp":"-36.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853511","snr":"7.1","f_error_hz":"585","distance":104}},"timestamp":"1791853511"},"geometry":{"coordinates":[[-72.04907,41.82192],[-72.0481,41.82178]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9368.4","frame":"1475888715","batt_v":"3.6","sats":"11","vel_v":"-5.3","vel_h":"26.5","avg_vel_v":"-5.292829241071429","heading":"102.7","temp":"-36.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853515","snr":"7.8","f_error_hz":"585","distance":104}},"timestamp":"1791853515"},"geometry":{"coordinates":[[-72.0481,41.82178],[-72.04676,41.82154]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9368.4","frame":"1475888715","batt_v":"3.6","sats":"11","vel_v":"-5.3","vel_h":"26.5","avg_vel_v":"-5.292829241071429","heading":"102.7","temp":"-36.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853515","snr":"7.8","f_error_hz":"585","distance":104}},"timestamp":"1791853515"},"geometry":{"coordinates":[[-72.04676,41.82154],[-72.04676,41.82154]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9346","frame":"1475888719","batt_v":"3.6","sats":"11","vel_v":"-5.2","vel_h":"27.2","avg_vel_v":"-5.382149832589286","heading":"105.8","temp":"-36","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853519","snr":"8.6","f_error_hz":"585","distance":104}},"timestamp":"1791853519"},"geometry":{"coordinates":[[-72.04676,41.82154],[-72.04551,41.8213]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9334.8","frame":"1475888721","batt_v":"3.6","sats":"11","vel_v":"-5.7","vel_h":"27.4","avg_vel_v":"-5.425013950892857","heading":"103.2","temp":"-35.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853521","snr":"7.2","f_error_hz":"585","distance":104}},"timestamp":"1791853521"},"geometry":{"coordinates":[[-72.04551,41.8213],[-72.04487,41.82118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9289.5","frame":"1475888729","batt_v":"3.6","sats":"11","vel_v":"-5.7","vel_h":"27.2","avg_vel_v":"-5.528564453125","heading":"104.5","temp":"-35.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853529","snr":"9.1","f_error_hz":"585","distance":103}},"timestamp":"1791853529"},"geometry":{"coordinates":[[-72.04487,41.82118],[-72.04233,41.82073]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9289.5","frame":"1475888729","batt_v":"3.6","sats":"11","vel_v":"-5.7","vel_h":"27.2","avg_vel_v":"-5.528564453125","heading":"104.5","temp":"-35.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853529","snr":"9.1","f_error_hz":"585","distance":103}},"timestamp":"1791853529"},"geometry":{"coordinates":[[-72.04233,41.82073],[-72.04233,41.82073]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9289.5","frame":"1475888729","batt_v":"3.6","sats":"11","vel_v":"-5.7","vel_h":"27.2","avg_vel_v":"-5.528564453125","heading":"104.5","temp":"-35.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853529","snr":"9.1","f_error_hz":"585","distance":103}},"timestamp":"1791853529"},"geometry":{"coordinates":[[-72.04233,41.82073],[-72.04233,41.82073]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9263.5","frame":"1475888734","batt_v":"3.6","sats":"11","vel_v":"-4.8","vel_h":"24.4","avg_vel_v":"-5.492300180288462","heading":"103.2","temp":"-35.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853534","snr":"10.7","f_error_hz":"585","distance":103}},"timestamp":"1791853534"},"geometry":{"coordinates":[[-72.04233,41.82073],[-72.04085,41.82041]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9248.4","frame":"1475888737","batt_v":"3.6","sats":"11","vel_v":"-5.7","vel_h":"26.5","avg_vel_v":"-5.444807381465517","heading":"104","temp":"-35.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853537","snr":"9.3","f_error_hz":"585","distance":103}},"timestamp":"1791853537"},"geometry":{"coordinates":[[-72.04085,41.82041],[-72.03993,41.82023]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9227.5","frame":"1475888741","batt_v":"3.6","sats":"11","vel_v":"-5.3","vel_h":"25.1","avg_vel_v":"-5.419245793269231","heading":"108","temp":"-35.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853541","snr":"9.5","f_error_hz":"585","distance":103}},"timestamp":"1791853541"},"geometry":{"coordinates":[[-72.03993,41.82023],[-72.03868,41.81995]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9227.5","frame":"1475888741","batt_v":"3.6","sats":"11","vel_v":"-5.3","vel_h":"25.1","avg_vel_v":"-5.419245793269231","heading":"108","temp":"-35.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853541","snr":"9.5","f_error_hz":"585","distance":103}},"timestamp":"1791853541"},"geometry":{"coordinates":[[-72.03868,41.81995],[-72.03868,41.81995]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9212","frame":"1475888744","batt_v":"3.6","sats":"11","vel_v":"-5.5","vel_h":"26.6","avg_vel_v":"-5.393116918103448","heading":"104.9","temp":"-35","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853544","snr":"9.7","f_error_hz":"585","distance":103}},"timestamp":"1791853544"},"geometry":{"coordinates":[[-72.03868,41.81995],[-72.03781,41.81976]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9176.9","frame":"1475888751","batt_v":"3.6","sats":"11","vel_v":"-5.2","vel_h":"25.9","avg_vel_v":"-5.1181640625","heading":"103.9","temp":"-34.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853551","snr":"8.5","f_error_hz":"585","distance":103}},"timestamp":"1791853551"},"geometry":{"coordinates":[[-72.03781,41.81976],[-72.03567,41.81929]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9176.9","frame":"1475888751","batt_v":"3.6","sats":"11","vel_v":"-5.2","vel_h":"25.9","avg_vel_v":"-5.1181640625","heading":"103.9","temp":"-34.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853551","snr":"8.5","f_error_hz":"585","distance":103}},"timestamp":"1791853551"},"geometry":{"coordinates":[[-72.03567,41.81929],[-72.03567,41.81929]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9160.3","frame":"1475888754","batt_v":"3.6","sats":"11","vel_v":"-5.6","vel_h":"25.5","avg_vel_v":"-5.1680078125","heading":"103.2","temp":"-34.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853554","snr":"6.7","f_error_hz":"585","distance":103}},"timestamp":"1791853554"},"geometry":{"coordinates":[[-72.03567,41.81929],[-72.03478,41.81911]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9160.3","frame":"1475888754","batt_v":"3.6","sats":"11","vel_v":"-5.6","vel_h":"25.5","avg_vel_v":"-5.1680078125","heading":"103.2","temp":"-34.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853554","snr":"6.7","f_error_hz":"585","distance":103}},"timestamp":"1791853554"},"geometry":{"coordinates":[[-72.03478,41.81911],[-72.03478,41.81911]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9145.1","frame":"1475888757","batt_v":"3.6","sats":"11","vel_v":"-5.1","vel_h":"25.5","avg_vel_v":"-5.157156808035714","heading":"109.4","temp":"-34.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853557","snr":"8.2","f_error_hz":"585","distance":103}},"timestamp":"1791853557"},"geometry":{"coordinates":[[-72.03478,41.81911],[-72.03384,41.81891]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9130.3","frame":"1475888760","batt_v":"3.6","sats":"11","vel_v":"-5.4","vel_h":"25.3","avg_vel_v":"-5.123084435096154","heading":"105.3","temp":"-34.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853560","snr":"7.8","f_error_hz":"585","distance":103}},"timestamp":"1791853560"},"geometry":{"coordinates":[[-72.03384,41.81891],[-72.03297,41.8187]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9110.6","frame":"1475888764","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"27.3","avg_vel_v":"-5.103732638888889","heading":"107.7","temp":"-34.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853564","snr":"8.6","f_error_hz":"585","distance":103}},"timestamp":"1791853564"},"geometry":{"coordinates":[[-72.03297,41.8187],[-72.03177,41.81848]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9091.2","frame":"1475888768","batt_v":"3.6","sats":"11","vel_v":"-4.6","vel_h":"25.4","avg_vel_v":"-5.048140914351852","heading":"102.7","temp":"-34.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853568","snr":"9.1","f_error_hz":"585","distance":103}},"timestamp":"1791853568"},"geometry":{"coordinates":[[-72.03177,41.81848],[-72.0306,41.81819]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9076.5","frame":"1475888771","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"23.9","avg_vel_v":"-5.018518518518518","heading":"100.2","temp":"-34","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853571","snr":"6.6","f_error_hz":"585","distance":103}},"timestamp":"1791853571"},"geometry":{"coordinates":[[-72.0306,41.81819],[-72.02979,41.81802]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9076.5","frame":"1475888771","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"23.9","avg_vel_v":"-5.018518518518518","heading":"100.2","temp":"-34","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853571","snr":"6.6","f_error_hz":"585","distance":103}},"timestamp":"1791853571"},"geometry":{"coordinates":[[-72.02979,41.81802],[-72.02979,41.81802]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9076.5","frame":"1475888771","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"23.9","avg_vel_v":"-5.018518518518518","heading":"100.2","temp":"-34","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853571","snr":"6.6","f_error_hz":"585","distance":103}},"timestamp":"1791853571"},"geometry":{"coordinates":[[-72.02979,41.81802],[-72.02979,41.81802]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9076.5","frame":"1475888771","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"23.9","avg_vel_v":"-5.018518518518518","heading":"100.2","temp":"-34","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853571","snr":"6.6","f_error_hz":"585","distance":103}},"timestamp":"1791853571"},"geometry":{"coordinates":[[-72.02979,41.81802],[-72.02979,41.81802]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9076.5","frame":"1475888771","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"23.9","avg_vel_v":"-5.018518518518518","heading":"100.2","temp":"-34","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853571","snr":"6.6","f_error_hz":"585","distance":103}},"timestamp":"1791853571"},"geometry":{"coordinates":[[-72.02979,41.81802],[-72.02979,41.81802]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9076.5","frame":"1475888771","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"23.9","avg_vel_v":"-5.018518518518518","heading":"100.2","temp":"-34","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853571","snr":"6.6","f_error_hz":"585","distance":103}},"timestamp":"1791853571"},"geometry":{"coordinates":[[-72.02979,41.81802],[-72.02979,41.81802]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9076.5","frame":"1475888771","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"23.9","avg_vel_v":"-5.018518518518518","heading":"100.2","temp":"-34","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853571","snr":"6.6","f_error_hz":"585","distance":103}},"timestamp":"1791853571"},"geometry":{"coordinates":[[-72.02979,41.81802],[-72.02979,41.81802]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"9076.5","frame":"1475888771","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"23.9","avg_vel_v":"-5.018518518518518","heading":"100.2","temp":"-34","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853571","snr":"6.6","f_error_hz":"585","distance":103}},"timestamp":"1791853571"},"geometry":{"coordinates":[[-72.02979,41.81802],[-72.02979,41.81802]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8956.1","frame":"1475888796","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"22.8","avg_vel_v":"-4.825020926339286","heading":"108","temp":"-32.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853596","snr":"7.2","f_error_hz":"585","distance":102}},"timestamp":"1791853596"},"geometry":{"coordinates":[[-72.02979,41.81802],[-72.02271,41.81638]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8956.1","frame":"1475888796","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"22.8","avg_vel_v":"-4.825020926339286","heading":"108","temp":"-32.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853596","snr":"7.2","f_error_hz":"585","distance":102}},"timestamp":"1791853596"},"geometry":{"coordinates":[[-72.02271,41.81638],[-72.02271,41.81638]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8956.1","frame":"1475888796","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"22.8","avg_vel_v":"-4.825020926339286","heading":"108","temp":"-32.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853596","snr":"7.2","f_error_hz":"585","distance":102}},"timestamp":"1791853596"},"geometry":{"coordinates":[[-72.02271,41.81638],[-72.02271,41.81638]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8956.1","frame":"1475888796","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"22.8","avg_vel_v":"-4.825020926339286","heading":"108","temp":"-32.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853596","snr":"7.2","f_error_hz":"585","distance":102}},"timestamp":"1791853596"},"geometry":{"coordinates":[[-72.02271,41.81638],[-72.02271,41.81638]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8956.1","frame":"1475888796","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"22.8","avg_vel_v":"-4.825020926339286","heading":"108","temp":"-32.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853596","snr":"7.2","f_error_hz":"585","distance":102}},"timestamp":"1791853596"},"geometry":{"coordinates":[[-72.02271,41.81638],[-72.02271,41.81638]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8956.1","frame":"1475888796","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"22.8","avg_vel_v":"-4.825020926339286","heading":"108","temp":"-32.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853596","snr":"7.2","f_error_hz":"585","distance":102}},"timestamp":"1791853596"},"geometry":{"coordinates":[[-72.02271,41.81638],[-72.02271,41.81638]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8956.1","frame":"1475888796","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"22.8","avg_vel_v":"-4.825020926339286","heading":"108","temp":"-32.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853596","snr":"7.2","f_error_hz":"585","distance":102}},"timestamp":"1791853596"},"geometry":{"coordinates":[[-72.02271,41.81638],[-72.02271,41.81638]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8956.1","frame":"1475888796","batt_v":"3.6","sats":"11","vel_v":"-4.9","vel_h":"22.8","avg_vel_v":"-4.825020926339286","heading":"108","temp":"-32.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853596","snr":"7.2","f_error_hz":"585","distance":102}},"timestamp":"1791853596"},"geometry":{"coordinates":[[-72.02271,41.81638],[-72.02271,41.81638]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.02271,41.81638],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8869.5","frame":"1475888814","batt_v":"3.6","sats":"11","vel_v":"-5","vel_h":"23.2","avg_vel_v":"-4.811089409722222","heading":"101.2","temp":"-32.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853614","snr":"6.8","f_error_hz":"585","distance":102}},"timestamp":"1791853614"},"geometry":{"coordinates":[[-72.01756,41.81523],[-72.01756,41.81523]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8300.5","frame":"1475888926","batt_v":"3.6","sats":"12","vel_v":"-5.1","vel_h":"22.3","heading":"104.8","temp":"-28.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853726","snr":"7.2","f_error_hz":"585","distance":101}},"timestamp":"1791853726"},"geometry":{"coordinates":[[-72.01756,41.81523],[-71.98687,41.80904]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8300.5","frame":"1475888926","batt_v":"3.6","sats":"12","vel_v":"-5.1","vel_h":"22.3","heading":"104.8","temp":"-28.1","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853726","snr":"7.2","f_error_hz":"585","distance":101}},"timestamp":"1791853726"},"geometry":{"coordinates":[[-71.98687,41.80904],[-71.98687,41.80904]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8290.1","frame":"1475888928","batt_v":"3.6","sats":"12","vel_v":"-5.5","vel_h":"22.8","avg_vel_v":"-5.2001953125","heading":"102.6","temp":"-28","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853728","snr":"5.3","f_error_hz":"488","distance":101}},"timestamp":"1791853728"},"geometry":{"coordinates":[[-71.98687,41.80904],[-71.98635,41.80894]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8271.4","frame":"1475888932","batt_v":"3.6","sats":"12","vel_v":"-5","vel_h":"25","avg_vel_v":"-4.849934895833333","heading":"104.9","temp":"-27.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853732","snr":"10.9","f_error_hz":"585","distance":101}},"timestamp":"1791853732"},"geometry":{"coordinates":[[-71.98635,41.80894],[-71.98526,41.80877]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8271.4","frame":"1475888932","batt_v":"3.6","sats":"12","vel_v":"-5","vel_h":"25","avg_vel_v":"-4.849934895833333","heading":"104.9","temp":"-27.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853732","snr":"10.9","f_error_hz":"585","distance":101}},"timestamp":"1791853732"},"geometry":{"coordinates":[[-71.98526,41.80877],[-71.98526,41.80877]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8252.8","frame":"1475888936","batt_v":"3.6","sats":"12","vel_v":"-5","vel_h":"24.4","avg_vel_v":"-4.77001953125","heading":"105.4","temp":"-27.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853736","snr":"8.3","f_error_hz":"585","distance":101}},"timestamp":"1791853736"},"geometry":{"coordinates":[[-71.98526,41.80877],[-71.98411,41.80855]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8238.8","frame":"1475888939","batt_v":"3.6","sats":"12","vel_v":"-4.2","vel_h":"21.5","avg_vel_v":"-4.7461688701923075","heading":"110","temp":"-27.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853739","snr":"7.8","f_error_hz":"585","distance":100}},"timestamp":"1791853739"},"geometry":{"coordinates":[[-71.98411,41.80855],[-71.9833,41.80834]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8230.3","frame":"1475888941","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"22.4","avg_vel_v":"-4.680013020833333","heading":"106","temp":"-27.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853741","snr":"9.6","f_error_hz":"585","distance":100}},"timestamp":"1791853741"},"geometry":{"coordinates":[[-71.9833,41.80834],[-71.9828,41.80823]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8230.3","frame":"1475888941","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"22.4","avg_vel_v":"-4.680013020833333","heading":"106","temp":"-27.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853741","snr":"9.6","f_error_hz":"585","distance":100}},"timestamp":"1791853741"},"geometry":{"coordinates":[[-71.9828,41.80823],[-71.9828,41.80823]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.9828,41.80823],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"8196.6","frame":"1475888948","batt_v":"3.6","sats":"12","vel_v":"-4.4","vel_h":"25.9","avg_vel_v":"-4.722745028409091","heading":"109","temp":"-27.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853748","snr":"8.1","f_error_hz":"585","distance":100}},"timestamp":"1791853748"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.98081,41.80784]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7662.8","frame":"1475889055","batt_v":"3.7","sats":"12","vel_v":"-5.2","vel_h":"20.3","heading":"112","temp":"-23.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853855","snr":"6.5","f_error_hz":"488","distance":99}},"timestamp":"1791853855"},"geometry":{"coordinates":[[-71.98081,41.80784],[-71.95189,41.80237]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7662.8","frame":"1475889055","batt_v":"3.7","sats":"12","vel_v":"-5.2","vel_h":"20.3","heading":"112","temp":"-23.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853855","snr":"6.5","f_error_hz":"488","distance":99}},"timestamp":"1791853855"},"geometry":{"coordinates":[[-71.95189,41.80237],[-71.95189,41.80237]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7662.8","frame":"1475889055","batt_v":"3.7","sats":"12","vel_v":"-5.2","vel_h":"20.3","heading":"112","temp":"-23.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853855","snr":"6.5","f_error_hz":"488","distance":99}},"timestamp":"1791853855"},"geometry":{"coordinates":[[-71.95189,41.80237],[-71.95189,41.80237]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7662.8","frame":"1475889055","batt_v":"3.7","sats":"12","vel_v":"-5.2","vel_h":"20.3","heading":"112","temp":"-23.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853855","snr":"6.5","f_error_hz":"488","distance":99}},"timestamp":"1791853855"},"geometry":{"coordinates":[[-71.95189,41.80237],[-71.95189,41.80237]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7662.8","frame":"1475889055","batt_v":"3.7","sats":"12","vel_v":"-5.2","vel_h":"20.3","heading":"112","temp":"-23.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853855","snr":"6.5","f_error_hz":"488","distance":99}},"timestamp":"1791853855"},"geometry":{"coordinates":[[-71.95189,41.80237],[-71.95189,41.80237]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7662.8","frame":"1475889055","batt_v":"3.7","sats":"12","vel_v":"-5.2","vel_h":"20.3","heading":"112","temp":"-23.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853855","snr":"6.5","f_error_hz":"488","distance":99}},"timestamp":"1791853855"},"geometry":{"coordinates":[[-71.95189,41.80237],[-71.95189,41.80237]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7662.8","frame":"1475889055","batt_v":"3.7","sats":"12","vel_v":"-5.2","vel_h":"20.3","heading":"112","temp":"-23.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853855","snr":"6.5","f_error_hz":"488","distance":99}},"timestamp":"1791853855"},"geometry":{"coordinates":[[-71.95189,41.80237],[-71.95189,41.80237]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.95189,41.80237],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7554.2","frame":"1475889077","batt_v":"3.6","sats":"12","vel_v":"-5.3","vel_h":"19.5","avg_vel_v":"-4.936345880681818","heading":"103","temp":"-22.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853877","snr":"8.9","f_error_hz":"488","distance":99}},"timestamp":"1791853877"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.94655,41.80118]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.94655,41.80118],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7320.3","frame":"1475889122","batt_v":"3.7","sats":"12","vel_v":"-4.7","vel_h":"20.2","heading":"103.2","temp":"-20.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853922","snr":"5.2","f_error_hz":"488","distance":98}},"timestamp":"1791853922"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.93574,41.7988]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7096.9","frame":"1475889165","batt_v":"35.1","sats":"12","vel_v":"-5.1","vel_h":"18.3","heading":"109.5","temp":"-18.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853965","snr":"7.6","f_error_hz":"488","distance":98}},"timestamp":"1791853965"},"geometry":{"coordinates":[[-71.93574,41.7988],[-71.92516,41.79617]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7096.9","frame":"1475889165","batt_v":"35.1","sats":"12","vel_v":"-5.1","vel_h":"18.3","heading":"109.5","temp":"-18.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853965","snr":"7.6","f_error_hz":"488","distance":98}},"timestamp":"1791853965"},"geometry":{"coordinates":[[-71.92516,41.79617],[-71.92516,41.79617]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7096.9","frame":"1475889165","batt_v":"35.1","sats":"12","vel_v":"-5.1","vel_h":"18.3","heading":"109.5","temp":"-18.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853965","snr":"7.6","f_error_hz":"488","distance":98}},"timestamp":"1791853965"},"geometry":{"coordinates":[[-71.92516,41.79617],[-71.92516,41.79617]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7075.2","frame":"1475889169","batt_v":"35.1","sats":"12","vel_v":"-5.3","vel_h":"21.4","avg_vel_v":"-5.4249267578125","heading":"109.9","temp":"-18.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853969","snr":"8.5","f_error_hz":"488","distance":98}},"timestamp":"1791853969"},"geometry":{"coordinates":[[-71.92516,41.79617],[-71.92419,41.79586]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7064.5","frame":"1475889171","batt_v":"35.1","sats":"12","vel_v":"-5.4","vel_h":"21.7","avg_vel_v":"-5.399983723958333","heading":"108.1","temp":"-18.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853971","snr":"9","f_error_hz":"488","distance":98}},"timestamp":"1791853971"},"geometry":{"coordinates":[[-71.92419,41.79586],[-71.9237,41.79573]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7045.1","frame":"1475889175","batt_v":"35.1","sats":"12","vel_v":"-5.3","vel_h":"18","avg_vel_v":"-5.17998046875","heading":"113.7","temp":"-18","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853975","snr":"10.3","f_error_hz":"488","distance":98}},"timestamp":"1791853975"},"geometry":{"coordinates":[[-71.9237,41.79573],[-71.92276,41.79542]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7045.1","frame":"1475889175","batt_v":"35.1","sats":"12","vel_v":"-5.3","vel_h":"18","avg_vel_v":"-5.17998046875","heading":"113.7","temp":"-18","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853975","snr":"10.3","f_error_hz":"488","distance":98}},"timestamp":"1791853975"},"geometry":{"coordinates":[[-71.92276,41.79542],[-71.92276,41.79542]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7034.8","frame":"1475889177","batt_v":"35.1","sats":"12","vel_v":"-5.5","vel_h":"21.6","avg_vel_v":"-5.175008138020833","heading":"112","temp":"-18","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853977","snr":"7.5","f_error_hz":"488","distance":98}},"timestamp":"1791853977"},"geometry":{"coordinates":[[-71.92276,41.79542],[-71.92231,41.79529]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"7008.6","frame":"1475889182","batt_v":"3.8","sats":"12","vel_v":"-5.3","vel_h":"22.5","avg_vel_v":"-5.1941061580882355","heading":"110.6","temp":"-17.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853982","snr":"7.3","f_error_hz":"488","distance":98}},"timestamp":"1791853982"},"geometry":{"coordinates":[[-71.92231,41.79529],[-71.92118,41.79491]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.92118,41.79491],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","dashArray":"8","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","dashArray":"8","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","dashArray":"8","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","dashArray":"8","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6972.5","dashArray":"8","frame":"1475889189","batt_v":"3.7","sats":"12","vel_v":"-4.8","vel_h":"21.7","avg_vel_v":"-5.183329264322917","heading":"121","temp":"-17.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791853989","snr":"8","f_error_hz":"488","distance":98}},"timestamp":"1791853989"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.91954,41.79436]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","dashArray":"8","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.91954,41.79436],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6426","frame":"1475889320","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"20.4","heading":"116.8","temp":"-14.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854120","snr":"7.4","f_error_hz":"488","distance":97}},"timestamp":"1791854120"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.88957,41.78339]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6269.4","frame":"1475889363","batt_v":"3.9","sats":"12","vel_v":"-4.3","vel_h":"18.9","heading":"104.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854163","snr":"5.9","f_error_hz":"488","distance":96}},"timestamp":"1791854163"},"geometry":{"coordinates":[[-71.88957,41.78339],[-71.87998,41.78069]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6269.4","frame":"1475889363","batt_v":"3.9","sats":"12","vel_v":"-4.3","vel_h":"18.9","heading":"104.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854163","snr":"5.9","f_error_hz":"488","distance":96}},"timestamp":"1791854163"},"geometry":{"coordinates":[[-71.87998,41.78069],[-71.87998,41.78069]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6269.4","frame":"1475889363","batt_v":"3.9","sats":"12","vel_v":"-4.3","vel_h":"18.9","heading":"104.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854163","snr":"5.9","f_error_hz":"488","distance":96}},"timestamp":"1791854163"},"geometry":{"coordinates":[[-71.87998,41.78069],[-71.87998,41.78069]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87998,41.78069],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6253.6","frame":"1475889367","batt_v":"3.9","sats":"12","vel_v":"-4.2","vel_h":"16.4","avg_vel_v":"-3.949951171875","heading":"107.5","temp":"-14.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854167","snr":"6","f_error_hz":"488","distance":96}},"timestamp":"1791854167"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.87912,41.78046]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6022.2","frame":"1475889427","batt_v":"4","sats":"12","vel_v":"-3.9","vel_h":"18.6","heading":"112.1","temp":"-13.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854227","snr":"5.9","f_error_hz":"488","distance":96}},"timestamp":"1791854227"},"geometry":{"coordinates":[[-71.87912,41.78046],[-71.86611,41.7773]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6022.2","frame":"1475889427","batt_v":"4","sats":"12","vel_v":"-3.9","vel_h":"18.6","heading":"112.1","temp":"-13.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854227","snr":"5.9","f_error_hz":"488","distance":96}},"timestamp":"1791854227"},"geometry":{"coordinates":[[-71.86611,41.7773],[-71.86611,41.7773]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6022.2","frame":"1475889427","batt_v":"4","sats":"12","vel_v":"-3.9","vel_h":"18.6","heading":"112.1","temp":"-13.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854227","snr":"5.9","f_error_hz":"488","distance":96}},"timestamp":"1791854227"},"geometry":{"coordinates":[[-71.86611,41.7773],[-71.86611,41.7773]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6008.6","frame":"1475889430","batt_v":"4","sats":"12","vel_v":"-4.4","vel_h":"20.6","avg_vel_v":"-4.533365885416667","heading":"106","temp":"-13.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854230","snr":"7.6","f_error_hz":"488","distance":96}},"timestamp":"1791854230"},"geometry":{"coordinates":[[-71.86611,41.7773],[-71.86548,41.77716]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6008.6","frame":"1475889430","batt_v":"4","sats":"12","vel_v":"-4.4","vel_h":"20.6","avg_vel_v":"-4.533365885416667","heading":"106","temp":"-13.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854230","snr":"7.6","f_error_hz":"488","distance":96}},"timestamp":"1791854230"},"geometry":{"coordinates":[[-71.86548,41.77716],[-71.86548,41.77716]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6008.6","frame":"1475889430","batt_v":"4","sats":"12","vel_v":"-4.4","vel_h":"20.6","avg_vel_v":"-4.533365885416667","heading":"106","temp":"-13.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854230","snr":"7.6","f_error_hz":"488","distance":96}},"timestamp":"1791854230"},"geometry":{"coordinates":[[-71.86548,41.77716],[-71.86548,41.77716]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6008.6","frame":"1475889430","batt_v":"4","sats":"12","vel_v":"-4.4","vel_h":"20.6","avg_vel_v":"-4.533365885416667","heading":"106","temp":"-13.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854230","snr":"7.6","f_error_hz":"488","distance":96}},"timestamp":"1791854230"},"geometry":{"coordinates":[[-71.86548,41.77716],[-71.86548,41.77716]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"6008.6","frame":"1475889430","batt_v":"4","sats":"12","vel_v":"-4.4","vel_h":"20.6","avg_vel_v":"-4.533365885416667","heading":"106","temp":"-13.4","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854230","snr":"7.6","f_error_hz":"488","distance":96}},"timestamp":"1791854230"},"geometry":{"coordinates":[[-71.86548,41.77716],[-71.86548,41.77716]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5923.7","frame":"1475889450","batt_v":"4","sats":"12","vel_v":"-4.6","vel_h":"19.6","avg_vel_v":"-4.282608695652174","heading":"101.7","temp":"-12.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854250","snr":"7.4","f_error_hz":"488","distance":95}},"timestamp":"1791854250"},"geometry":{"coordinates":[[-71.86548,41.77716],[-71.86123,41.77607]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5923.7","frame":"1475889450","batt_v":"4","sats":"12","vel_v":"-4.6","vel_h":"19.6","avg_vel_v":"-4.282608695652174","heading":"101.7","temp":"-12.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854250","snr":"7.4","f_error_hz":"488","distance":95}},"timestamp":"1791854250"},"geometry":{"coordinates":[[-71.86123,41.77607],[-71.86123,41.77607]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5915.2","frame":"1475889452","batt_v":"4","sats":"12","vel_v":"-4.2","vel_h":"20.6","avg_vel_v":"-4.28","heading":"110.8","temp":"-12.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854252","snr":"8.3","f_error_hz":"488","distance":95}},"timestamp":"1791854252"},"geometry":{"coordinates":[[-71.86123,41.77607],[-71.86077,41.77597]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5915.2","frame":"1475889452","batt_v":"4","sats":"12","vel_v":"-4.2","vel_h":"20.6","avg_vel_v":"-4.28","heading":"110.8","temp":"-12.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854252","snr":"8.3","f_error_hz":"488","distance":95}},"timestamp":"1791854252"},"geometry":{"coordinates":[[-71.86077,41.77597],[-71.86077,41.77597]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5898.6","frame":"1475889456","batt_v":"4","sats":"12","vel_v":"-4.3","vel_h":"18.6","avg_vel_v":"-4.262072332974138","heading":"103.9","temp":"-12.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854256","snr":"8.9","f_error_hz":"488","distance":95}},"timestamp":"1791854256"},"geometry":{"coordinates":[[-71.86077,41.77597],[-71.85996,41.77578]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5881.1","frame":"1475889460","batt_v":"4","sats":"12","vel_v":"-4.2","vel_h":"16.3","avg_vel_v":"-4.260009765625","heading":"104","temp":"-12.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854260","snr":"6.8","f_error_hz":"488","distance":95}},"timestamp":"1791854260"},"geometry":{"coordinates":[[-71.85996,41.77578],[-71.85912,41.77556]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5868.5","frame":"1475889463","batt_v":"4","sats":"12","vel_v":"-4.1","vel_h":"18.7","avg_vel_v":"-4.2461688701923075","heading":"109.8","temp":"-12.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854263","snr":"7.4","f_error_hz":"488","distance":95}},"timestamp":"1791854263"},"geometry":{"coordinates":[[-71.85912,41.77556],[-71.85846,41.77544]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5868.5","frame":"1475889463","batt_v":"4","sats":"12","vel_v":"-4.1","vel_h":"18.7","avg_vel_v":"-4.2461688701923075","heading":"109.8","temp":"-12.3","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854263","snr":"7.4","f_error_hz":"488","distance":95}},"timestamp":"1791854263"},"geometry":{"coordinates":[[-71.85846,41.77544],[-71.85846,41.77544]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5833.4","frame":"1475889471","batt_v":"4","sats":"12","vel_v":"-5","vel_h":"16.6","avg_vel_v":"-4.300013950892857","heading":"104","temp":"-12","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854271","snr":"8.6","f_error_hz":"488","distance":95}},"timestamp":"1791854271"},"geometry":{"coordinates":[[-71.85846,41.77544],[-71.85682,41.77503]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5833.4","frame":"1475889471","batt_v":"4","sats":"12","vel_v":"-5","vel_h":"16.6","avg_vel_v":"-4.300013950892857","heading":"104","temp":"-12","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854271","snr":"8.6","f_error_hz":"488","distance":95}},"timestamp":"1791854271"},"geometry":{"coordinates":[[-71.85682,41.77503],[-71.85682,41.77503]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5833.4","frame":"1475889471","batt_v":"4","sats":"12","vel_v":"-5","vel_h":"16.6","avg_vel_v":"-4.300013950892857","heading":"104","temp":"-12","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854271","snr":"8.6","f_error_hz":"488","distance":95}},"timestamp":"1791854271"},"geometry":{"coordinates":[[-71.85682,41.77503],[-71.85682,41.77503]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5833.4","frame":"1475889471","batt_v":"4","sats":"12","vel_v":"-5","vel_h":"16.6","avg_vel_v":"-4.300013950892857","heading":"104","temp":"-12","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854271","snr":"8.6","f_error_hz":"488","distance":95}},"timestamp":"1791854271"},"geometry":{"coordinates":[[-71.85682,41.77503],[-71.85682,41.77503]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5833.4","frame":"1475889471","batt_v":"4","sats":"12","vel_v":"-5","vel_h":"16.6","avg_vel_v":"-4.300013950892857","heading":"104","temp":"-12","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854271","snr":"8.6","f_error_hz":"488","distance":95}},"timestamp":"1791854271"},"geometry":{"coordinates":[[-71.85682,41.77503],[-71.85682,41.77503]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5833.4","frame":"1475889471","batt_v":"4","sats":"12","vel_v":"-5","vel_h":"16.6","avg_vel_v":"-4.300013950892857","heading":"104","temp":"-12","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854271","snr":"8.6","f_error_hz":"488","distance":95}},"timestamp":"1791854271"},"geometry":{"coordinates":[[-71.85682,41.77503],[-71.85682,41.77503]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5833.4","frame":"1475889471","batt_v":"4","sats":"12","vel_v":"-5","vel_h":"16.6","avg_vel_v":"-4.300013950892857","heading":"104","temp":"-12","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854271","snr":"8.6","f_error_hz":"488","distance":95}},"timestamp":"1791854271"},"geometry":{"coordinates":[[-71.85682,41.77503],[-71.85682,41.77503]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5833.4","frame":"1475889471","batt_v":"4","sats":"12","vel_v":"-5","vel_h":"16.6","avg_vel_v":"-4.300013950892857","heading":"104","temp":"-12","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854271","snr":"8.6","f_error_hz":"488","distance":95}},"timestamp":"1791854271"},"geometry":{"coordinates":[[-71.85682,41.77503],[-71.85682,41.77503]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5741.8","frame":"1475889492","batt_v":"4","sats":"12","vel_v":"-4.7","vel_h":"19.4","avg_vel_v":"-4.368972252155173","heading":"106.4","temp":"-11.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854292","snr":"8","f_error_hz":"488","distance":95}},"timestamp":"1791854292"},"geometry":{"coordinates":[[-71.85682,41.77503],[-71.85245,41.77392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5741.8","frame":"1475889492","batt_v":"4","sats":"12","vel_v":"-4.7","vel_h":"19.4","avg_vel_v":"-4.368972252155173","heading":"106.4","temp":"-11.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854292","snr":"8","f_error_hz":"488","distance":95}},"timestamp":"1791854292"},"geometry":{"coordinates":[[-71.85245,41.77392],[-71.85245,41.77392]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5733.1","frame":"1475889494","batt_v":"4","sats":"12","vel_v":"-5.4","vel_h":"19.5","avg_vel_v":"-4.360861073369565","heading":"114.1","temp":"-11.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854294","snr":"7.5","f_error_hz":"488","distance":95}},"timestamp":"1791854294"},"geometry":{"coordinates":[[-71.85245,41.77392],[-71.85202,41.77381]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85202,41.77381],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"5711.1","dashArray":"8","frame":"1475889499","batt_v":"4","sats":"12","vel_v":"-5.1","vel_h":"18.1","avg_vel_v":"-4.367850167410714","heading":"110.9","temp":"-11.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854299","snr":"7.1","f_error_hz":"488","distance":95}},"timestamp":"1791854299"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.85101,41.77356]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4976.1","dashArray":"8","frame":"1475889664","batt_v":"4.2","sats":"12","vel_v":"-3.1","vel_h":"17.8","heading":"128.5","temp":"-7.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854464","snr":"6.4","f_error_hz":"488","distance":94}},"timestamp":"1791854464"},"geometry":{"coordinates":[[-71.85101,41.77356],[-71.81865,41.75968]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4976.1","frame":"1475889664","batt_v":"4.2","sats":"12","vel_v":"-3.1","vel_h":"17.8","heading":"128.5","temp":"-7.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854464","snr":"6.4","f_error_hz":"488","distance":94}},"timestamp":"1791854464"},"geometry":{"coordinates":[[-71.81865,41.75968],[-71.81865,41.75968]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4966.2","frame":"1475889667","batt_v":"4.2","sats":"12","vel_v":"-3.2","vel_h":"17.6","avg_vel_v":"-3.2999674479166665","heading":"130.6","temp":"-7.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854467","snr":"7.4","f_error_hz":"488","distance":94}},"timestamp":"1791854467"},"geometry":{"coordinates":[[-71.81865,41.75968],[-71.81813,41.75938]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4966.2","frame":"1475889667","batt_v":"4.2","sats":"12","vel_v":"-3.2","vel_h":"17.6","avg_vel_v":"-3.2999674479166665","heading":"130.6","temp":"-7.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854467","snr":"7.4","f_error_hz":"488","distance":94}},"timestamp":"1791854467"},"geometry":{"coordinates":[[-71.81813,41.75938],[-71.81813,41.75938]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4966.2","frame":"1475889667","batt_v":"4.2","sats":"12","vel_v":"-3.2","vel_h":"17.6","avg_vel_v":"-3.2999674479166665","heading":"130.6","temp":"-7.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854467","snr":"7.4","f_error_hz":"488","distance":94}},"timestamp":"1791854467"},"geometry":{"coordinates":[[-71.81813,41.75938],[-71.81813,41.75938]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4966.2","frame":"1475889667","batt_v":"4.2","sats":"12","vel_v":"-3.2","vel_h":"17.6","avg_vel_v":"-3.2999674479166665","heading":"130.6","temp":"-7.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854467","snr":"7.4","f_error_hz":"488","distance":94}},"timestamp":"1791854467"},"geometry":{"coordinates":[[-71.81813,41.75938],[-71.81813,41.75938]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4966.2","frame":"1475889667","batt_v":"4.2","sats":"12","vel_v":"-3.2","vel_h":"17.6","avg_vel_v":"-3.2999674479166665","heading":"130.6","temp":"-7.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854467","snr":"7.4","f_error_hz":"488","distance":94}},"timestamp":"1791854467"},"geometry":{"coordinates":[[-71.81813,41.75938],[-71.81813,41.75938]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4905.4","frame":"1475889686","batt_v":"4.2","sats":"12","vel_v":"-3","vel_h":"19.6","avg_vel_v":"-3.213645241477273","heading":"124.1","temp":"-7.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854486","snr":"7.5","f_error_hz":"488","distance":94}},"timestamp":"1791854486"},"geometry":{"coordinates":[[-71.81813,41.75938],[-71.81449,41.75738]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4905.4","frame":"1475889686","batt_v":"4.2","sats":"12","vel_v":"-3","vel_h":"19.6","avg_vel_v":"-3.213645241477273","heading":"124.1","temp":"-7.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854486","snr":"7.5","f_error_hz":"488","distance":94}},"timestamp":"1791854486"},"geometry":{"coordinates":[[-71.81449,41.75738],[-71.81449,41.75738]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4905.4","frame":"1475889686","batt_v":"4.2","sats":"12","vel_v":"-3","vel_h":"19.6","avg_vel_v":"-3.213645241477273","heading":"124.1","temp":"-7.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854486","snr":"7.5","f_error_hz":"488","distance":94}},"timestamp":"1791854486"},"geometry":{"coordinates":[[-71.81449,41.75738],[-71.81449,41.75738]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4905.4","frame":"1475889686","batt_v":"4.2","sats":"12","vel_v":"-3","vel_h":"19.6","avg_vel_v":"-3.213645241477273","heading":"124.1","temp":"-7.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854486","snr":"7.5","f_error_hz":"488","distance":94}},"timestamp":"1791854486"},"geometry":{"coordinates":[[-71.81449,41.75738],[-71.81449,41.75738]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4905.4","frame":"1475889686","batt_v":"4.2","sats":"12","vel_v":"-3","vel_h":"19.6","avg_vel_v":"-3.213645241477273","heading":"124.1","temp":"-7.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854486","snr":"7.5","f_error_hz":"488","distance":94}},"timestamp":"1791854486"},"geometry":{"coordinates":[[-71.81449,41.75738],[-71.81449,41.75738]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4905.4","frame":"1475889686","batt_v":"4.2","sats":"12","vel_v":"-3","vel_h":"19.6","avg_vel_v":"-3.213645241477273","heading":"124.1","temp":"-7.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854486","snr":"7.5","f_error_hz":"488","distance":94}},"timestamp":"1791854486"},"geometry":{"coordinates":[[-71.81449,41.75738],[-71.81449,41.75738]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4905.4","frame":"1475889686","batt_v":"4.2","sats":"12","vel_v":"-3","vel_h":"19.6","avg_vel_v":"-3.213645241477273","heading":"124.1","temp":"-7.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854486","snr":"7.5","f_error_hz":"488","distance":94}},"timestamp":"1791854486"},"geometry":{"coordinates":[[-71.81449,41.75738],[-71.81449,41.75738]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4905.4","frame":"1475889686","batt_v":"4.2","sats":"12","vel_v":"-3","vel_h":"19.6","avg_vel_v":"-3.213645241477273","heading":"124.1","temp":"-7.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854486","snr":"7.5","f_error_hz":"488","distance":94}},"timestamp":"1791854486"},"geometry":{"coordinates":[[-71.81449,41.75738],[-71.81449,41.75738]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4842.1","frame":"1475889706","batt_v":"4.2","sats":"12","vel_v":"-3.1","vel_h":"18.9","avg_vel_v":"-3.164990234375","heading":"129.2","temp":"-6.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854506","snr":"8.6","f_error_hz":"488","distance":94}},"timestamp":"1791854506"},"geometry":{"coordinates":[[-71.81449,41.75738],[-71.8108,41.75549]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4842.1","frame":"1475889706","batt_v":"4.2","sats":"12","vel_v":"-3.1","vel_h":"18.9","avg_vel_v":"-3.164990234375","heading":"129.2","temp":"-6.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854506","snr":"8.6","f_error_hz":"488","distance":94}},"timestamp":"1791854506"},"geometry":{"coordinates":[[-71.8108,41.75549],[-71.8108,41.75549]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4842.1","frame":"1475889706","batt_v":"4.2","sats":"12","vel_v":"-3.1","vel_h":"18.9","avg_vel_v":"-3.164990234375","heading":"129.2","temp":"-6.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854506","snr":"8.6","f_error_hz":"488","distance":94}},"timestamp":"1791854506"},"geometry":{"coordinates":[[-71.8108,41.75549],[-71.8108,41.75549]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4842.1","frame":"1475889706","batt_v":"4.2","sats":"12","vel_v":"-3.1","vel_h":"18.9","avg_vel_v":"-3.164990234375","heading":"129.2","temp":"-6.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854506","snr":"8.6","f_error_hz":"488","distance":94}},"timestamp":"1791854506"},"geometry":{"coordinates":[[-71.8108,41.75549],[-71.8108,41.75549]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4842.1","frame":"1475889706","batt_v":"4.2","sats":"12","vel_v":"-3.1","vel_h":"18.9","avg_vel_v":"-3.164990234375","heading":"129.2","temp":"-6.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854506","snr":"8.6","f_error_hz":"488","distance":94}},"timestamp":"1791854506"},"geometry":{"coordinates":[[-71.8108,41.75549],[-71.8108,41.75549]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4842.1","frame":"1475889706","batt_v":"4.2","sats":"12","vel_v":"-3.1","vel_h":"18.9","avg_vel_v":"-3.164990234375","heading":"129.2","temp":"-6.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854506","snr":"8.6","f_error_hz":"488","distance":94}},"timestamp":"1791854506"},"geometry":{"coordinates":[[-71.8108,41.75549],[-71.8108,41.75549]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4842.1","frame":"1475889706","batt_v":"4.2","sats":"12","vel_v":"-3.1","vel_h":"18.9","avg_vel_v":"-3.164990234375","heading":"129.2","temp":"-6.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854506","snr":"8.6","f_error_hz":"488","distance":94}},"timestamp":"1791854506"},"geometry":{"coordinates":[[-71.8108,41.75549],[-71.8108,41.75549]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4842.1","frame":"1475889706","batt_v":"4.2","sats":"12","vel_v":"-3.1","vel_h":"18.9","avg_vel_v":"-3.164990234375","heading":"129.2","temp":"-6.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854506","snr":"8.6","f_error_hz":"488","distance":94}},"timestamp":"1791854506"},"geometry":{"coordinates":[[-71.8108,41.75549],[-71.8108,41.75549]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.8108,41.75549],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","dashArray":"8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","dashArray":"8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","dashArray":"8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","dashArray":"8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4775.8","dashArray":"8","frame":"1475889727","batt_v":"4.2","sats":"12","vel_v":"-3.4","vel_h":"19.6","avg_vel_v":"-3.1571568080357144","heading":"124.9","temp":"-6.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854527","snr":"8.1","f_error_hz":"488","distance":94}},"timestamp":"1791854527"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.80674,41.75334]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","dashArray":"8","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.80674,41.75334],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4375.7","frame":"1475889857","batt_v":"4.3","sats":"12","vel_v":"-2.7","vel_h":"16.5","heading":"116.8","temp":"-3.9","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854657","snr":"6.7","f_error_hz":"488","distance":94}},"timestamp":"1791854657"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.78272,41.74181]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4263.5","frame":"1475889900","batt_v":"4.4","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"121.1","temp":"-2.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854700","snr":"9.8","f_error_hz":"488","distance":94}},"timestamp":"1791854700"},"geometry":{"coordinates":[[-71.78272,41.74181],[-71.77501,41.73876]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4263.5","frame":"1475889900","batt_v":"4.4","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"121.1","temp":"-2.8","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854700","snr":"9.8","f_error_hz":"488","distance":94}},"timestamp":"1791854700"},"geometry":{"coordinates":[[-71.77501,41.73876],[-71.77501,41.73876]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4256","frame":"1475889903","batt_v":"4.4","sats":"12","vel_v":"-2.8","vel_h":"15.5","avg_vel_v":"-2.5","heading":"124.9","temp":"-2.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854703","snr":"8.5","f_error_hz":"488","distance":94}},"timestamp":"1791854703"},"geometry":{"coordinates":[[-71.77501,41.73876],[-71.77452,41.73856]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4256","frame":"1475889903","batt_v":"4.4","sats":"12","vel_v":"-2.8","vel_h":"15.5","avg_vel_v":"-2.5","heading":"124.9","temp":"-2.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854703","snr":"8.5","f_error_hz":"488","distance":94}},"timestamp":"1791854703"},"geometry":{"coordinates":[[-71.77452,41.73856],[-71.77452,41.73856]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4256","frame":"1475889903","batt_v":"4.4","sats":"12","vel_v":"-2.8","vel_h":"15.5","avg_vel_v":"-2.5","heading":"124.9","temp":"-2.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854703","snr":"8.5","f_error_hz":"488","distance":94}},"timestamp":"1791854703"},"geometry":{"coordinates":[[-71.77452,41.73856],[-71.77452,41.73856]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4256","frame":"1475889903","batt_v":"4.4","sats":"12","vel_v":"-2.8","vel_h":"15.5","avg_vel_v":"-2.5","heading":"124.9","temp":"-2.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854703","snr":"8.5","f_error_hz":"488","distance":94}},"timestamp":"1791854703"},"geometry":{"coordinates":[[-71.77452,41.73856],[-71.77452,41.73856]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4256","frame":"1475889903","batt_v":"4.4","sats":"12","vel_v":"-2.8","vel_h":"15.5","avg_vel_v":"-2.5","heading":"124.9","temp":"-2.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854703","snr":"8.5","f_error_hz":"488","distance":94}},"timestamp":"1791854703"},"geometry":{"coordinates":[[-71.77452,41.73856],[-71.77452,41.73856]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4256","frame":"1475889903","batt_v":"4.4","sats":"12","vel_v":"-2.8","vel_h":"15.5","avg_vel_v":"-2.5","heading":"124.9","temp":"-2.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854703","snr":"8.5","f_error_hz":"488","distance":94}},"timestamp":"1791854703"},"geometry":{"coordinates":[[-71.77452,41.73856],[-71.77452,41.73856]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4207","frame":"1475889921","batt_v":"4.4","sats":"12","vel_v":"-2.6","vel_h":"16.9","avg_vel_v":"-2.6904761904761907","heading":"114.6","temp":"-2.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854721","snr":"9","f_error_hz":"488","distance":94}},"timestamp":"1791854721"},"geometry":{"coordinates":[[-71.77452,41.73856],[-71.77143,41.7373]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4207","frame":"1475889921","batt_v":"4.4","sats":"12","vel_v":"-2.6","vel_h":"16.9","avg_vel_v":"-2.6904761904761907","heading":"114.6","temp":"-2.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854721","snr":"9","f_error_hz":"488","distance":94}},"timestamp":"1791854721"},"geometry":{"coordinates":[[-71.77143,41.7373],[-71.77143,41.7373]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4207","frame":"1475889921","batt_v":"4.4","sats":"12","vel_v":"-2.6","vel_h":"16.9","avg_vel_v":"-2.6904761904761907","heading":"114.6","temp":"-2.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854721","snr":"9","f_error_hz":"488","distance":94}},"timestamp":"1791854721"},"geometry":{"coordinates":[[-71.77143,41.7373],[-71.77143,41.7373]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4207","frame":"1475889921","batt_v":"4.4","sats":"12","vel_v":"-2.6","vel_h":"16.9","avg_vel_v":"-2.6904761904761907","heading":"114.6","temp":"-2.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854721","snr":"9","f_error_hz":"488","distance":94}},"timestamp":"1791854721"},"geometry":{"coordinates":[[-71.77143,41.7373],[-71.77143,41.7373]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4207","frame":"1475889921","batt_v":"4.4","sats":"12","vel_v":"-2.6","vel_h":"16.9","avg_vel_v":"-2.6904761904761907","heading":"114.6","temp":"-2.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854721","snr":"9","f_error_hz":"488","distance":94}},"timestamp":"1791854721"},"geometry":{"coordinates":[[-71.77143,41.7373],[-71.77143,41.7373]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4207","frame":"1475889921","batt_v":"4.4","sats":"12","vel_v":"-2.6","vel_h":"16.9","avg_vel_v":"-2.6904761904761907","heading":"114.6","temp":"-2.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854721","snr":"9","f_error_hz":"488","distance":94}},"timestamp":"1791854721"},"geometry":{"coordinates":[[-71.77143,41.7373],[-71.77143,41.7373]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4207","frame":"1475889921","batt_v":"4.4","sats":"12","vel_v":"-2.6","vel_h":"16.9","avg_vel_v":"-2.6904761904761907","heading":"114.6","temp":"-2.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854721","snr":"9","f_error_hz":"488","distance":94}},"timestamp":"1791854721"},"geometry":{"coordinates":[[-71.77143,41.7373],[-71.77143,41.7373]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4207","frame":"1475889921","batt_v":"4.4","sats":"12","vel_v":"-2.6","vel_h":"16.9","avg_vel_v":"-2.6904761904761907","heading":"114.6","temp":"-2.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854721","snr":"9","f_error_hz":"488","distance":94}},"timestamp":"1791854721"},"geometry":{"coordinates":[[-71.77143,41.7373],[-71.77143,41.7373]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4144.5","frame":"1475889945","batt_v":"4.4","sats":"12","vel_v":"-2.2","vel_h":"16.9","avg_vel_v":"-2.6041666666666665","heading":"124.7","temp":"-1.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854745","snr":"11.9","f_error_hz":"488","distance":93}},"timestamp":"1791854745"},"geometry":{"coordinates":[[-71.77143,41.7373],[-71.76735,41.73563]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4144.5","frame":"1475889945","batt_v":"4.4","sats":"12","vel_v":"-2.2","vel_h":"16.9","avg_vel_v":"-2.6041666666666665","heading":"124.7","temp":"-1.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854745","snr":"11.9","f_error_hz":"488","distance":93}},"timestamp":"1791854745"},"geometry":{"coordinates":[[-71.76735,41.73563],[-71.76735,41.73563]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4139.6","frame":"1475889947","batt_v":"4.4","sats":"12","vel_v":"-2.3","vel_h":"15.8","avg_vel_v":"-2.592303936298077","heading":"122.8","temp":"-1.7","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854747","snr":"9.6","f_error_hz":"488","distance":93}},"timestamp":"1791854747"},"geometry":{"coordinates":[[-71.76735,41.73563],[-71.76702,41.73546]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4128.9","frame":"1475889951","batt_v":"4.4","sats":"12","vel_v":"-2.2","vel_h":"17.1","avg_vel_v":"-2.6000162760416665","heading":"122","temp":"-1.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854751","snr":"8.7","f_error_hz":"488","distance":93}},"timestamp":"1791854751"},"geometry":{"coordinates":[[-71.76702,41.73546],[-71.76633,41.73512]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4128.9","frame":"1475889951","batt_v":"4.4","sats":"12","vel_v":"-2.2","vel_h":"17.1","avg_vel_v":"-2.6000162760416665","heading":"122","temp":"-1.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854751","snr":"8.7","f_error_hz":"488","distance":93}},"timestamp":"1791854751"},"geometry":{"coordinates":[[-71.76633,41.73512],[-71.76633,41.73512]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4121.4","frame":"1475889954","batt_v":"4.4","sats":"12","vel_v":"-2.3","vel_h":"16","avg_vel_v":"-2.566677517361111","heading":"121.9","temp":"-1.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854754","snr":"9.9","f_error_hz":"488","distance":93}},"timestamp":"1791854754"},"geometry":{"coordinates":[[-71.76633,41.73512],[-71.76583,41.7349]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4121.4","frame":"1475889954","batt_v":"4.4","sats":"12","vel_v":"-2.3","vel_h":"16","avg_vel_v":"-2.566677517361111","heading":"121.9","temp":"-1.6","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854754","snr":"9.9","f_error_hz":"488","distance":93}},"timestamp":"1791854754"},"geometry":{"coordinates":[[-71.76583,41.7349],[-71.76583,41.7349]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4092.6","frame":"1475889966","batt_v":"4.4","sats":"12","vel_v":"-2.2","vel_h":"16.5","avg_vel_v":"-2.4714239211309526","heading":"124.9","temp":"-1.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854766","snr":"10.1","f_error_hz":"488","distance":93}},"timestamp":"1791854766"},"geometry":{"coordinates":[[-71.76583,41.7349],[-71.76389,41.73387]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4092.6","frame":"1475889966","batt_v":"4.4","sats":"12","vel_v":"-2.2","vel_h":"16.5","avg_vel_v":"-2.4714239211309526","heading":"124.9","temp":"-1.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854766","snr":"10.1","f_error_hz":"488","distance":93}},"timestamp":"1791854766"},"geometry":{"coordinates":[[-71.76389,41.73387],[-71.76389,41.73387]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4092.6","frame":"1475889966","batt_v":"4.4","sats":"12","vel_v":"-2.2","vel_h":"16.5","avg_vel_v":"-2.4714239211309526","heading":"124.9","temp":"-1.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854766","snr":"10.1","f_error_hz":"488","distance":93}},"timestamp":"1791854766"},"geometry":{"coordinates":[[-71.76389,41.73387],[-71.76389,41.73387]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4085.6","frame":"1475889969","batt_v":"4.4","sats":"11","vel_v":"-2.3","vel_h":"15.4","avg_vel_v":"-2.45416259765625","heading":"125.9","temp":"-1.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854769","snr":"8.5","f_error_hz":"488","distance":93}},"timestamp":"1791854769"},"geometry":{"coordinates":[[-71.76389,41.73387],[-71.7634,41.73363]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4077","frame":"1475889973","batt_v":"4.4","sats":"11","vel_v":"-2.1","vel_h":"15.9","avg_vel_v":"-2.4107142857142856","heading":"129.2","temp":"-1.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854773","snr":"8.9","f_error_hz":"488","distance":93}},"timestamp":"1791854773"},"geometry":{"coordinates":[[-71.7634,41.73363],[-71.7628,41.7333]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4074.5","frame":"1475889974","batt_v":"4.4","sats":"11","vel_v":"-2.3","vel_h":"16.1","avg_vel_v":"-2.413793103448276","heading":"126.3","temp":"-1.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854774","snr":"7.7","f_error_hz":"488","distance":93}},"timestamp":"1791854774"},"geometry":{"coordinates":[[-71.7628,41.7333],[-71.76264,41.73321]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4074.5","frame":"1475889974","batt_v":"4.4","sats":"11","vel_v":"-2.3","vel_h":"16.1","avg_vel_v":"-2.413793103448276","heading":"126.3","temp":"-1.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854774","snr":"7.7","f_error_hz":"488","distance":93}},"timestamp":"1791854774"},"geometry":{"coordinates":[[-71.76264,41.73321],[-71.76264,41.73321]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4074.5","frame":"1475889974","batt_v":"4.4","sats":"11","vel_v":"-2.3","vel_h":"16.1","avg_vel_v":"-2.413793103448276","heading":"126.3","temp":"-1.5","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854774","snr":"7.7","f_error_hz":"488","distance":93}},"timestamp":"1791854774"},"geometry":{"coordinates":[[-71.76264,41.73321],[-71.76264,41.73321]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76264,41.73321],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"4045.8","dashArray":"8","frame":"1475889987","batt_v":"4.4","sats":"11","vel_v":"-1.9","vel_h":"16.4","avg_vel_v":"-2.228573753720238","heading":"130.1","temp":"-1.2","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854787","snr":"7.1","f_error_hz":"488","distance":93}},"timestamp":"1791854787"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.76062,41.73209]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.76062,41.73209],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":null}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":null}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":null}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":null}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":null}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":null}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":null}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":null}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":null}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":null}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":null}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":null}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":null}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}},{"type":"Feature","properties":{"altitude":"3618.6","dashArray":"8","frame":"1475890178","batt_v":"4.6","sats":"12","vel_v":"-2.4","vel_h":"15.5","heading":"126.4","temp":"-0","freq_mhz":401.01,"stations":{"EastBoston":{"freq_mhz":"401.011","timestamp":"1791854978","snr":"5.6","f_error_hz":"488","distance":93}},"timestamp":"1791854978"},"geometry":{"coordinates":[[-71.73249,41.71747],[-71.73249,41.71747]],"type":"LineString"}}]}}