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"last_freq_change": "No change"}, "callsign": "FDX435", "type": "Performance data"}, {"received": 1775398208.077608, "ts": 1775398205, "station": "CO-CYTZ2-HFDL", "freq": 13276, "cpdlc": "", "icao": null, "r": null, "lat": 57.677989, "lon": -110.545674, "gs": "Riverhead, New York", "perf": {"tx_300": 0, "tx_600": 0, "tx_1200": 0, "tx_1800": 0, "rx_err_300": 8, "rx_err_600": 0, "rx_err_1200": 0, "rx_err_1800": 0, "rx_ok_300": 15, "rx_ok_600": 3, "rx_ok_1200": 0, "rx_ok_1800": 0, "spdus_missed": 5, "spdus_ok": 16, "active_freq": 8921.0, "hdfl_off_prev": 1996, "flight_leg": 70, "freq_search_cur": 52, "freq_search_prev": 0, "last_freq_change": "Too many NACKs"}, "callsign": "CES587", "type": "Performance data"}, {"received": 1775398208.066763, "ts": 1775398205, "station": "CO-CYTZ2-HFDL", "freq": 13276, "cpdlc": "", "icao": null, "r": null, "lat": 58.550031, "lon": -113.620479, "gs": "Riverhead, New York", "perf": {"tx_300": 0, "tx_600": 0, "tx_1200": 0, "tx_1800": 0, "rx_err_300": 0, 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{"received": 1775398208.048214, "ts": 1775398205, "station": "CO-CYTZ2-HFDL", "freq": 13276, "cpdlc": "", "icao": null, "r": null, "lat": 60.837938, "lon": -127.610221, "gs": "Riverhead, New York", "perf": {"tx_300": 2, "tx_600": 0, "tx_1200": 0, "tx_1800": 0, "rx_err_300": 2, "rx_err_600": 0, "rx_err_1200": 0, "rx_err_1800": 0, "rx_ok_300": 2, "rx_ok_600": 0, "rx_ok_1200": 0, "rx_ok_1800": 0, "spdus_missed": 1, "spdus_ok": 6, "active_freq": 8977.0, "hdfl_off_prev": 1996, "flight_leg": 70, "freq_search_cur": 52, "freq_search_prev": 0, "last_freq_change": "SPDUs no longer received"}, "callsign": "CES587", "type": "Performance data"}, {"received": 1775398208.040895, "ts": 1775398205, "station": "CO-CYTZ2-HFDL", "freq": 13276, "cpdlc": "", "icao": null, "r": null, "lat": 61.064188, "lon": -130.808622, "gs": "Riverhead, New York", "perf": {"tx_300": 1, "tx_600": 0, "tx_1200": 0, "tx_1800": 0, "rx_err_300": 0, "rx_err_600": 0, "rx_err_1200": 0, "rx_err_1800": 0, "rx_ok_300": 7, "rx_ok_600": 1, "rx_ok_1200": 0, "rx_ok_1800": 0, "spdus_missed": 0, "spdus_ok": 7, "active_freq": 8912.0, "hdfl_off_prev": 1996, "flight_leg": 70, "freq_search_cur": 52, "freq_search_prev": 0, "last_freq_change": "Too many NACKs"}, "callsign": "CES587", "type": "Performance data"}, {"received": 1775398183.413699, "ts": 1775398181, "station": "CO-CYTZ2-HFDL", "freq": 13276, "cpdlc": "", "icao": null, "r": "N283NV", "gs": "Riverhead, New York", "perf": {}, "callsign": "G40414", "type": "Enveloped data"}, {"received": 1775398180.868429, "ts": 1775398176, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": "C058DD", "r": null, "gs": "Riverhead, New York", "perf": {}, "callsign": "C058DD", "type": "Logon confirm"}, {"received": 1775398180.855848, "ts": 1775398176, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": "A99744", "r": null, "gs": "Riverhead, New York", "perf": {}, "callsign": "A99744", "type": "Logon confirm"}, {"received": 1775398129.246193, "ts": 1775398126, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": null, "r": "N506DN", "gs": "Riverhead, New York", "perf": {}, "callsign": "DL0388", "type": "Enveloped data"}, {"received": 1775398116.923168, "ts": 1775398112, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": null, "r": "N506DN", "gs": "Riverhead, New York", "perf": {}, "callsign": "N506DN", "type": "Enveloped data"}, {"received": 1775398116.898369, "ts": 1775398112, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": "4CABEC", "r": "EI-EIL", "gs": "Riverhead, New York", "perf": {}, "callsign": "EI-EIL", "type": "Enveloped data"}, {"received": 1775398116.870365, "ts": 1775398112, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": null, "r": "CN-RHA", "gs": "Riverhead, New York", "perf": {}, "callsign": "CN-RHA", "type": "Enveloped data"}, {"received": 1775398114.557319, "ts": 1775398112, "station": "CO-CYTZ2-HFDL", "freq": 13276, "cpdlc": "", "icao": null, "r": "N283NV", "gs": "Riverhead, New York", "perf": {}, "callsign": "G40414", "type": "Enveloped data"}, {"received": 1775398112.020112, "ts": 1775398109, "station": "CO-CYTZ2-HFDL", "freq": 13276, "cpdlc": "", "icao": "AB805A", "r": null, "lat": 35.261031, "lon": -90.319462, "gs": "Riverhead, New York", "perf": {}, "callsign": "FDX515", "type": "Frequency data"}, {"received": 1775398097.248506, "ts": 1775398094, "station": "CO-CYTZ2-HFDL", "freq": 13276, "cpdlc": "", "icao": "A2DA60", "r": null, "lat": 26.481908, "lon": -80.24807, "gs": "Riverhead, New York", "perf": {}, "callsign": "G40414", "type": "Frequency data"}, {"received": 1775398084.974618, "ts": 1775398082, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": null, "r": null, "lat": 43.878448, "lon": -79.258612, "gs": "Riverhead, New York", "perf": {"tx_300": 9, "tx_600": 1, "tx_1200": 0, "tx_1800": 0, "rx_err_300": 1, "rx_err_600": 0, "rx_err_1200": 0, "rx_err_1800": 0, "rx_ok_300": 91, "rx_ok_600": 7, "rx_ok_1200": 0, "rx_ok_1800": 0, "spdus_missed": 0, "spdus_ok": 160, "active_freq": 6661.0, "hdfl_off_prev": 11872, "flight_leg": 140, "freq_search_cur": 230, "freq_search_prev": 235, "last_freq_change": "No change"}, "callsign": "ETD7MF", "type": "Performance data"}, {"received": 1775398077.642652, "ts": 1775398075, "station": "CO-CYTZ2-HFDL", "freq": 10084, "cpdlc": "", "icao": "AB62AD", "r": null, "lat": 41.000025, "lon": -108.005425, "gs": "Auckland, New Zealand", "perf": {}, "callsign": "WN1048", "type": "Frequency data"}, {"received": 1775398075.112733, "ts": 1775398072, "station": "CO-CYTZ2-HFDL", "freq": 10084, "cpdlc": "", "icao": "A57362", "r": null, "lat": 44.03878, "lon": -97.481532, "gs": "Auckland, New Zealand", "perf": {}, "callsign": "GTI899", "type": "Frequency data"}, {"received": 1775398050.452396, "ts": 1775398048, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": "4CABEC", "r": null, "gs": "Riverhead, New York", "perf": {}, "callsign": "4CABEC", "type": "Logon confirm"}, 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33.635051, "lon": -84.452409, "gs": "Riverhead, New York", "perf": {}, "callsign": "DAL189", "type": "Frequency data"}, {"received": 1775398021.032523, "ts": 1775398018, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": "A67F8A", "r": null, "lat": 35.17726, "lon": -84.815645, "gs": "Riverhead, New York", "perf": {"tx_300": 2, "tx_600": 0, "tx_1200": 0, "tx_1800": 0, "rx_err_300": 0, "rx_err_600": 0, "rx_err_1200": 0, "rx_err_1800": 0, "rx_ok_300": 11, "rx_ok_600": 0, "rx_ok_1200": 0, "rx_ok_1800": 0, "spdus_missed": 0, "spdus_ok": 21, "active_freq": 6661.0, "hdfl_off_prev": 0, "flight_leg": 5, "freq_search_cur": 0, "freq_search_prev": 0, "last_freq_change": "No change"}, "callsign": "DAL989", "type": "Performance data"}, {"received": 1775398020.984461, "ts": 1775398018, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": "A67F8A", "r": null, "lat": 33.791263, "lon": -84.580468, "gs": "Riverhead, New York", "perf": {"tx_300": 1, "tx_600": 0, "tx_1200": 0, "tx_1800": 0, "rx_err_300": 0, "rx_err_600": 0, "rx_err_1200": 0, "rx_err_1800": 0, "rx_ok_300": 2, "rx_ok_600": 0, "rx_ok_1200": 0, "rx_ok_1800": 0, "spdus_missed": 2, "spdus_ok": 0, "active_freq": 11387.0, "hdfl_off_prev": 0, "flight_leg": 5, "freq_search_cur": 0, "freq_search_prev": 0, "last_freq_change": "SPDUs no longer received"}, "callsign": "DAL989", "type": "Performance data"}, {"received": 1775398016.000196, "ts": 1775398013, "station": "CO-CYTZ2-HFDL", "freq": 13276, "cpdlc": "", "icao": null, "r": null, "lat": 180.0, "lon": 180.0, "gs": "Riverhead, New York", "perf": {"tx_300": 7, "tx_600": 0, "tx_1200": 0, "tx_1800": 0, "rx_err_300": 3, "rx_err_600": 0, "rx_err_1200": 0, "rx_err_1800": 0, "rx_ok_300": 103, "rx_ok_600": 4, "rx_ok_1200": 0, "rx_ok_1800": 0, "spdus_missed": 2, "spdus_ok": 113, "active_freq": 13276.0, "hdfl_off_prev": 0, "flight_leg": 205, "freq_search_cur": 0, "freq_search_prev": 61, "last_freq_change": "No change"}, "callsign": "NK2204", "type": "Performance 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"icao": "AB62AD", "r": null, "lat": 41.000025, "lon": -108.005425, "gs": "Auckland, New Zealand", "perf": {}, "callsign": "WN1048", "type": "Frequency data"}, {"received": 1775397961.927439, "ts": 1775397959, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": null, "r": "C-GHPU", "gs": "Riverhead, New York", "perf": {}, "callsign": "AC0986", "type": "Enveloped data"}, {"received": 1775397956.982982, "ts": 1775397954, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": null, "r": null, "lat": 43.963592, "lon": -66.294377, "gs": "Riverhead, New York", "perf": {"tx_300": 7, "tx_600": 1, "tx_1200": 0, "tx_1800": 0, "rx_err_300": 0, "rx_err_600": 0, "rx_err_1200": 0, "rx_err_1800": 0, "rx_ok_300": 77, "rx_ok_600": 6, "rx_ok_1200": 0, "rx_ok_1800": 0, "spdus_missed": 0, "spdus_ok": 137, "active_freq": 6661.0, "hdfl_off_prev": 6148, "flight_leg": 224, "freq_search_cur": 10, "freq_search_prev": 0, "last_freq_change": "No change"}, "callsign": "VIR3N", "type": 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1775397843.684221, "ts": 1775397841, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": "C058BF", "r": null, "lat": 34.799947, "lon": -77.014994, "gs": "Riverhead, New York", "perf": {}, "callsign": "ACA986", "type": "Frequency data"}, {"received": 1775397801.856094, "ts": 1775397799, "station": "CO-CYTZ2-HFDL", "freq": 13276, "cpdlc": "", "icao": null, "r": null, "lat": 180.0, "lon": 180.0, "gs": "Riverhead, New York", "perf": {"tx_300": 5, "tx_600": 0, "tx_1200": 0, "tx_1800": 0, "rx_err_300": 2, "rx_err_600": 0, "rx_err_1200": 0, "rx_err_1800": 0, "rx_ok_300": 54, "rx_ok_600": 3, "rx_ok_1200": 0, "rx_ok_1800": 0, "spdus_missed": 2, "spdus_ok": 62, "active_freq": 13276.0, "hdfl_off_prev": 0, "flight_leg": 136, "freq_search_cur": 277, "freq_search_prev": 129, "last_freq_change": "SPDUs no longer received"}, "callsign": "TS0245", "type": "Performance data"}, {"received": 1775397801.811626, "ts": 1775397799, "station": "CO-CYTZ2-HFDL", "freq": 8912, "cpdlc": "", "icao": 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