Observation List
SatNOGS Network Observation API view class
GET /api/observations/?cursor=cj0xJnA9MjAyNi0wNC0yMSswMCUzQTM1JTNBNDMlMkIwMCUzQTAw&format=api
[ { "id": 13866351, "start": "2026-04-21T00:40:42Z", "end": "2026-04-21T00:49:12Z", "ground_station": 431, "transmitter": "o2idRpFtvPnTHbz5kprGt3", "norad_cat_id": 59776, "payload": "https://network-satnogs.freetls.fastly.net/media/data_obs/2026/4/21/0/13866351/satnogs_13866351_2026-04-21T00-40-42.ogg", "waterfall": "https://s3.eu-central-1.wasabisys.com/satnogs-network/data_obs/2026/4/21/0/13866351/waterfall_13866351_2026-04-21T00-40-42.png", "demoddata": [ { "payload_demod": "https://s3.eu-central-1.wasabisys.com/satnogs-network/data_obs/2026/4/21/0/13866351/data_13866351_2026-04-21T00-45-36_g0" }, { "payload_demod": "https://s3.eu-central-1.wasabisys.com/satnogs-network/data_obs/2026/4/21/0/13866351/data_13866351_2026-04-21T00-44-36_g0" } ], "station_name": "PE0SAT-11", "station_lat": 51.721268, "station_lng": 5.029968, "station_alt": 5, "vetted_status": "good", "vetted_user": 968, "vetted_datetime": "2026-04-21T07:35:48.039070Z", "archived": false, "archive_url": null, "client_version": "1.8.1", "client_metadata": "{\"radio\": {\"name\": \"gr-satnogs\", \"version\": \"v2.3-compat-xxx-v2.3.5.0\", \"parameters\": {\"soapy-rx-device\": \"driver=airspy,serial=0x62CC68FF214E4117,biastee=false\", \"samp-rate-rx\": \"3e6\", \"rx-freq\": \"401050000\", \"file-path\": \"/tmp/.satnogs/data/receiving_satnogs_13866351_2026-04-21T00-40-42.out\", \"waterfall-file-path\": \"/tmp/.satnogs/data/receiving_waterfall_13866351_2026-04-21T00-40-42.dat\", \"decoded-data-file-path\": \"/tmp/.satnogs/data/data_13866351\", \"doppler-correction-per-sec\": null, \"lo-offset\": null, \"ppm\": null, \"rigctl-port\": \"4532\", \"gain-mode\": \"Settings Field\", \"gain\": null, \"antenna\": \"RX\", \"dev-args\": null, \"stream-args\": null, \"tune-args\": null, \"other-settings\": \"VGA=10,MIX=5,LNA=8\", \"dc-removal\": null, \"bb-freq\": null, \"bw\": null, \"enable-iq-dump\": \"1\", \"iq-file-path\": \"/home/lab/431/data/iq/iq_431.raw\", \"udp-dump-host\": \"127.0.0.1\", \"udp-dump-port\": 50431, \"wpm\": null, \"baudrate\": null, \"framing\": null}}, \"latitude\": 51.721268, \"longitude\": 5.029968, \"elevation\": 5, \"frequency\": 401050000}", "status": "good", "waterfall_status": "with-signal", "waterfall_status_user": 968, "waterfall_status_datetime": "2026-04-21T07:35:48.039070Z", "rise_azimuth": 146.0, "set_azimuth": 354.0, "max_altitude": 43.0, "transmitter_uuid": "o2idRpFtvPnTHbz5kprGt3", "transmitter_description": "Telemetry", "transmitter_type": "Transmitter", "transmitter_uplink_low": null, "transmitter_uplink_high": null, "transmitter_uplink_drift": null, "transmitter_downlink_low": 401050000, "transmitter_downlink_high": null, "transmitter_downlink_drift": null, "transmitter_mode": "FM", "transmitter_invert": false, "transmitter_baud": null, "transmitter_updated": "2024-08-29T08:36:34.852459Z", "transmitter_status": "active", "tle0": "0 OBJECT D", "tle1": "1 59776U 24092D 26110.30440854 .00012535 00000-0 37295-3 0 9994", "tle2": "2 59776 97.6500 241.1126 0006832 4.1330 355.9968 15.34853507106867", "tle_source": "Space-Track.org", "center_frequency": null, "observer": "PE0SAT", "observation_frequency": 401050000, "transmitter_unconfirmed": false, "sat_id": "ONSC-2128-9588-6624-5100" }, { "id": 13866576, "start": "2026-04-21T00:40:28Z", "end": "2026-04-21T00:55:12Z", "ground_station": 1672, "transmitter": "TStTNHJDXVJRxwiM7WeVFQ", "norad_cat_id": 41184, "payload": null, "waterfall": null, "demoddata": [], "station_name": "AAS Ager Carballada", "station_lat": 42.019, "station_lng": 0.7444, "station_alt": 755, "vetted_status": "failed", "vetted_user": null, "vetted_datetime": null, "archived": false, "archive_url": null, "client_version": "", "client_metadata": "", "status": "failed", "waterfall_status": "unknown", "waterfall_status_user": null, "waterfall_status_datetime": null, "rise_azimuth": 223.0, "set_azimuth": 67.0, "max_altitude": 45.0, "transmitter_uuid": "TStTNHJDXVJRxwiM7WeVFQ", "transmitter_description": "Telemetry", "transmitter_type": "Transmitter", "transmitter_uplink_low": null, "transmitter_uplink_high": null, "transmitter_uplink_drift": null, "transmitter_downlink_low": 137800000, "transmitter_downlink_high": null, "transmitter_downlink_drift": null, "transmitter_mode": "FM", "transmitter_invert": false, "transmitter_baud": null, "transmitter_updated": "2023-03-09T09:53:52.596736Z", "transmitter_status": "active", "tle0": "0 ORBCOMM FM 112", "tle1": "1 41184U 15081F 26110.47465020 .00000373 00000-0 11519-3 0 9994", "tle2": "2 41184 46.9984 183.1112 0002768 282.8526 77.2050 14.58807096550529", "tle_source": "Space-Track.org", "center_frequency": null, "observer": "carballada", "observation_frequency": 137800000, "transmitter_unconfirmed": false, "sat_id": "ZUMI-4607-5931-2163-9163" }, { "id": 13866403, "start": "2026-04-21T00:40:28Z", "end": "2026-04-21T00:49:34Z", "ground_station": 2968, "transmitter": "Qjat5CprRVQJ4RAVn3ynHu", "norad_cat_id": 68456, "payload": "https://network-satnogs.freetls.fastly.net/media/data_obs/2026/4/21/0/13866403/satnogs_13866403_2026-04-21T00-40-28.ogg", "waterfall": "https://s3.eu-central-1.wasabisys.com/satnogs-network/data_obs/2026/4/21/0/13866403/waterfall_13866403_2026-04-21T00-40-28.png", "demoddata": [], "station_name": "UX5UL", "station_lat": 50.359, "station_lng": 30.388, "station_alt": 200, "vetted_status": "good", "vetted_user": 5413, "vetted_datetime": "2026-04-21T08:21:55.814654Z", "archived": false, "archive_url": null, "client_version": "1.9.2+sa2kng", "client_metadata": "{\"radio\": {\"name\": \"gr-satnogs\", \"version\": \"38f6dada\", \"parameters\": {\"soapy-rx-device\": \"driver=sdrplay\", \"samp-rate-rx\": \"2e6\", \"rx-freq\": \"437194000\", \"file-path\": \"/tmp/.satnogs/data/receiving_satnogs_13866403_2026-04-21T00-40-28.out\", \"waterfall-file-path\": \"/tmp/.satnogs/data/receiving_waterfall_13866403_2026-04-21T00-40-28.dat\", \"decoded-data-file-path\": \"/tmp/.satnogs/data/data_13866403\", \"doppler-correction-per-sec\": null, \"lo-offset\": null, \"lo-transverter\": null, \"ppm\": \"0\", \"rigctl-host\": \"rigctld\", \"rigctl-port\": \"4532\", \"gain-mode\": \"Overall\", \"gain\": \"38\", \"antenna\": \"RX\", \"dev-args\": null, \"stream-args\": null, \"tune-args\": null, \"other-settings\": null, \"dc-removal\": null, \"bb-freq\": null, \"master-clock-rate\": null, \"clock-source\": null, \"bw\": null, \"enable-iq-dump\": \"0\", \"iq-file-path\": null, \"udp-dump-host\": \"0.0.0.0\", \"udp-dump-port\": 57356, \"wpm\": null, \"baudrate\": \"9600\", \"framing\": \"ax25\"}}, \"latitude\": 50.359, \"longitude\": 30.388, \"elevation\": 200, \"frequency\": 437194000}", "status": "good", "waterfall_status": "with-signal", "waterfall_status_user": 5413, "waterfall_status_datetime": "2026-04-21T08:21:55.814654Z", "rise_azimuth": 23.0, "set_azimuth": 171.0, "max_altitude": 37.0, "transmitter_uuid": "Qjat5CprRVQJ4RAVn3ynHu", "transmitter_description": "UHF TT&C", "transmitter_type": "Transmitter", "transmitter_uplink_low": null, "transmitter_uplink_high": null, "transmitter_uplink_drift": null, "transmitter_downlink_low": 437195000, "transmitter_downlink_high": null, "transmitter_downlink_drift": -2287, "transmitter_mode": "GMSK", "transmitter_invert": false, "transmitter_baud": 9600.0, "transmitter_updated": "2026-04-02T16:13:03.195434Z", "transmitter_status": "active", "tle0": "0 OBJECT AS", "tle1": "1 68456U 26067AS 26107.84104702 .00004104 00000-0 21185-3 0 9991", "tle2": "2 68456 97.4512 67.1822 0003730 276.5615 83.5194 15.16870724 2788", "tle_source": "Space-Track.org", "center_frequency": null, "observer": "UX5UL_", "observation_frequency": 437194000, "transmitter_unconfirmed": false, "sat_id": "SXGC-2824-2222-8971-3473" }, { "id": 13859120, "start": "2026-04-21T00:40:14Z", "end": "2026-04-21T00:45:56Z", "ground_station": 91, "transmitter": "8hYsd2biF7ojBAHaVvtHY4", "norad_cat_id": 64559, "payload": "https://network-satnogs.freetls.fastly.net/media/data_obs/2026/4/21/0/13859120/satnogs_13859120_2026-04-21T00-40-14.ogg", "waterfall": "https://s3.eu-central-1.wasabisys.com/satnogs-network/data_obs/2026/4/21/0/13859120/waterfall_13859120_2026-04-21T00-40-14.png", "demoddata": [], "station_name": "M0EYT / 2E0NOG", "station_lat": 50.77, "station_lng": -2.02, "station_alt": 60, "vetted_status": "unknown", "vetted_user": null, "vetted_datetime": null, "archived": false, "archive_url": null, "client_version": "1.6", "client_metadata": "{\"radio\": {\"name\": \"gr-satnogs\", \"version\": \"v2.3-compat-xxx-v2.3.4.0\", \"parameters\": {\"soapy-rx-device\": \"driver=airspy\", \"samp-rate-rx\": \"2.5e6\", \"rx-freq\": \"401356000\", \"file-path\": \"/tmp/.satnogs/data/receiving_satnogs_13859120_2026-04-21T00-40-14.out\", \"waterfall-file-path\": \"/tmp/.satnogs/data/receiving_waterfall_13859120_2026-04-21T00-40-14.dat\", \"decoded-data-file-path\": \"/tmp/.satnogs/data/data_13859120\", \"doppler-correction-per-sec\": null, \"lo-offset\": null, \"ppm\": \"0\", \"rigctl-port\": \"4532\", \"gain-mode\": \"Settings Field\", \"gain\": \"43\", \"antenna\": \"RX\", \"dev-args\": null, \"stream-args\": null, \"tune-args\": null, \"other-settings\": \"LNA=13,MIX=9,VGA=11\\\"\\\"\", \"dc-removal\": null, \"bb-freq\": null, \"bw\": null, \"enable-iq-dump\": \"1\", \"iq-file-path\": \"/datadrive/meteor/new_iq/last_obs.iq\", \"udp-dump-host\": null, \"udp-dump-port\": 57356, \"wpm\": null, \"baudrate\": \"4800\", \"framing\": \"ax25\"}}, \"latitude\": 50.77, \"longitude\": -2.02, \"elevation\": 60, \"frequency\": 401356000}", "status": "unknown", "waterfall_status": "unknown", "waterfall_status_user": null, "waterfall_status_datetime": null, "rise_azimuth": 173.0, "set_azimuth": 341.0, "max_altitude": 76.0, "transmitter_uuid": "8hYsd2biF7ojBAHaVvtHY4", "transmitter_description": "Mode U - GMSK4k8", "transmitter_type": "Transmitter", "transmitter_uplink_low": null, "transmitter_uplink_high": null, "transmitter_uplink_drift": null, "transmitter_downlink_low": 401360000, "transmitter_downlink_high": null, "transmitter_downlink_drift": -9966, "transmitter_mode": "GMSK", "transmitter_invert": false, "transmitter_baud": 4800.0, "transmitter_updated": "2025-07-21T15:37:17.029502Z", "transmitter_status": "active", "tle0": "0 PADRE", "tle1": "1 64559U 25135AH 26110.55108021 .00001146 00000-0 11774-3 0 9992", "tle2": "2 64559 97.7649 224.9975 0003326 95.6212 264.5386 14.92299865 45255", "tle_source": "Space-Track.org", "center_frequency": null, "observer": "uhf-satcom", "observation_frequency": 401356000, "transmitter_unconfirmed": false, "sat_id": "VNWS-4720-9290-9692-1890" }, { "id": 13866562, "start": "2026-04-21T00:39:56Z", "end": "2026-04-21T00:50:38Z", "ground_station": 4473, "transmitter": "F8aCi2iTe83XT9TnBwrth4", "norad_cat_id": 15427, "payload": "https://network-satnogs.freetls.fastly.net/media/data_obs/2026/4/21/0/13866562/satnogs_13866562_2026-04-21T00-39-56.ogg", "waterfall": "https://s3.eu-central-1.wasabisys.com/satnogs-network/data_obs/2026/4/21/0/13866562/waterfall_13866562_2026-04-21T00-39-56.png", "demoddata": [], "station_name": "HS0ZQS_VHF", "station_lat": 13.867, "station_lng": 100.498, "station_alt": 12, "vetted_status": "bad", "vetted_user": 2234, "vetted_datetime": "2026-04-21T06:27:17.328992Z", "archived": false, "archive_url": null, "client_version": "2.1.1", "client_metadata": "{\"radio\": {\"name\": \"gr-satnogs\", \"version\": null, \"parameters\": {\"mode\": \"BPSK\", \"soapy-rx-device\": \"driver=rtlsdr\", \"samp-rate-rx\": \"2.048e6\", \"rx-freq\": \"136770000\", \"file-path\": \"/tmp/.satnogs/data/receiving_satnogs_13866562_2026-04-21T00-39-56.out\", \"waterfall-file-path\": \"/tmp/.satnogs/data/receiving_waterfall_13866562_2026-04-21T00-39-56.dat\", \"decoded-data-file-path\": \"/tmp/.satnogs/data/data_13866562\", \"doppler-correction-per-sec\": null, \"lo-offset\": null, \"ppm\": null, \"rigctl-host\": \"rigctld\", \"rigctl-port\": \"4532\", \"gain-mode\": \"Overall\", \"gain\": \"40.2\", \"antenna\": \"RX\", \"dev-args\": null, \"stream-args\": null, \"tune-args\": null, \"other-settings\": null, \"dc-removal\": null, \"bb-freq\": null, \"bw\": null, \"enable-iq-dump\": \"0\", \"iq-file-path\": null, \"udp-dump-host\": null, \"udp-dump-port\": 57356}}, \"latitude\": 13.867, \"longitude\": 100.498, \"elevation\": 12.0, \"frequency\": 136770000}", "status": "bad", "waterfall_status": "without-signal", "waterfall_status_user": 2234, "waterfall_status_datetime": "2026-04-21T06:27:17.328992Z", "rise_azimuth": 7.0, "set_azimuth": 200.0, "max_altitude": 71.0, "transmitter_uuid": "F8aCi2iTe83XT9TnBwrth4", "transmitter_description": "Beacon", "transmitter_type": "Transmitter", "transmitter_uplink_low": null, "transmitter_uplink_high": null, "transmitter_uplink_drift": null, "transmitter_downlink_low": 136770000, "transmitter_downlink_high": null, "transmitter_downlink_drift": null, "transmitter_mode": "BPSK", "transmitter_invert": false, "transmitter_baud": null, "transmitter_updated": "2020-06-20T12:16:17.159316Z", "transmitter_status": "active", "tle0": "0 NOAA 9", "tle1": "1 15427U 84123A 26110.36583015 .00000046 00000-0 46185-4 0 9996", "tle2": "2 15427 99.1042 135.6514 0015213 150.4247 221.2158 14.17052118135231", "tle_source": "Space-Track.org", "center_frequency": null, "observer": "OE1MPB", "observation_frequency": 136770000, "transmitter_unconfirmed": false, "sat_id": "RQTU-0962-4589-7454-8433" }, { "id": 13865717, "start": "2026-04-21T00:39:43Z", "end": "2026-04-21T00:42:59Z", "ground_station": 4807, "transmitter": "L5W4rbYy4ivMCeEBgBvkkJ", "norad_cat_id": 62083, "payload": "https://network-satnogs.freetls.fastly.net/media/data_obs/2026/4/21/0/13865717/satnogs_13865717_2026-04-21T00-39-43.ogg", "waterfall": "https://s3.eu-central-1.wasabisys.com/satnogs-network/data_obs/2026/4/21/0/13865717/waterfall_13865717_2026-04-21T00-39-43.png", "demoddata": [], "station_name": "MoGround", "station_lat": 25.386, "station_lng": 51.516, "station_alt": 15, "vetted_status": "good", "vetted_user": 8552, "vetted_datetime": "2026-04-21T10:05:11.946165Z", "archived": false, "archive_url": null, "client_version": "2.1.2", "client_metadata": "{\"radio\": {\"name\": \"gr-satnogs\", \"version\": null, \"parameters\": {\"mode\": \"BPSK PMT-A3\", \"soapy-rx-device\": \"driver=rtlsdr\", \"samp-rate-rx\": \"2048000\", \"rx-freq\": \"400639000\", \"file-path\": \"/tmp/.satnogs/data/receiving_satnogs_13865717_2026-04-21T00-39-43.out\", \"waterfall-file-path\": \"/tmp/.satnogs/data/receiving_waterfall_13865717_2026-04-21T00-39-43.dat\", \"decoded-data-file-path\": \"/tmp/.satnogs/data/data_13865717\", \"doppler-correction-per-sec\": null, \"lo-offset\": null, \"ppm\": null, \"rigctl-host\": \"rigctld\", \"rigctl-port\": \"4532\", \"gain-mode\": \"Overall\", \"gain\": \"36.4\", \"antenna\": \"RX\", \"dev-args\": null, \"stream-args\": null, \"tune-args\": null, \"other-settings\": null, \"dc-removal\": null, \"bb-freq\": null, \"bw\": null, \"enable-iq-dump\": \"0\", \"iq-file-path\": null, \"udp-dump-host\": null, \"udp-dump-port\": 57356, \"baud\": \"800\"}}, \"latitude\": 25.386, \"longitude\": 51.516, \"elevation\": 15.0, \"frequency\": 400639000}", "status": "good", "waterfall_status": "with-signal", "waterfall_status_user": 8552, "waterfall_status_datetime": "2026-04-21T10:05:11.946165Z", "rise_azimuth": 323.0, "set_azimuth": 342.0, "max_altitude": 46.0, "transmitter_uuid": "L5W4rbYy4ivMCeEBgBvkkJ", "transmitter_description": "Mode U", "transmitter_type": "Transmitter", "transmitter_uplink_low": null, "transmitter_uplink_high": null, "transmitter_uplink_drift": null, "transmitter_downlink_low": 400639000, "transmitter_downlink_high": null, "transmitter_downlink_drift": null, "transmitter_mode": "BPSK PMT-A3", "transmitter_invert": false, "transmitter_baud": 800.0, "transmitter_updated": "2025-04-09T14:17:45.542038Z", "transmitter_status": "active", "tle0": "0 KINEIS-5E", "tle1": "1 62083U 24219C 26110.61425994 -.00000055 00000-0 -11170-5 0 9994", "tle2": "2 62083 97.8937 271.2086 0007836 92.4149 267.7956 14.72313000 75299", "tle_source": "Space-Track.org", "center_frequency": null, "observer": "moground", "observation_frequency": 400639000, "transmitter_unconfirmed": false, "sat_id": "DJTQ-0143-2398-3239-9294" }, { "id": 13861141, "start": "2026-04-21T00:39:42Z", "end": "2026-04-21T00:45:51Z", "ground_station": 4151, "transmitter": "8hYsd2biF7ojBAHaVvtHY4", "norad_cat_id": 64559, "payload": "https://network-satnogs.freetls.fastly.net/media/data_obs/2026/4/21/0/13861141/satnogs_13861141_2026-04-21T00-39-42.ogg", "waterfall": "https://s3.eu-central-1.wasabisys.com/satnogs-network/data_obs/2026/4/21/0/13861141/waterfall_13861141_2026-04-21T00-39-42.png", "demoddata": [], "station_name": "DEX-X", "station_lat": 50.469, "station_lng": 5.718, "station_alt": 162, "vetted_status": "unknown", "vetted_user": null, "vetted_datetime": null, "archived": false, "archive_url": null, "client_version": "1.8.1", "client_metadata": "{\"radio\": {\"name\": \"gr-satnogs\", \"version\": \"v2.3-compat-xxx-v2.3.5.0\", \"parameters\": {\"soapy-rx-device\": \"driver=airspy,biastee=true\", \"samp-rate-rx\": \"2.5e6\", \"rx-freq\": \"401356000\", \"file-path\": \"/tmp/.satnogs/data/receiving_satnogs_13861141_2026-04-21T00-39-42.out\", \"waterfall-file-path\": \"/tmp/.satnogs/data/receiving_waterfall_13861141_2026-04-21T00-39-42.dat\", \"decoded-data-file-path\": \"/tmp/.satnogs/data/data_13861141\", \"doppler-correction-per-sec\": null, \"lo-offset\": null, \"ppm\": null, \"rigctl-port\": \"4532\", \"gain-mode\": \"Settings Field\", \"gain\": null, \"antenna\": \"RX\", \"dev-args\": null, \"stream-args\": null, \"tune-args\": null, \"other-settings\": \"LNA=10,MIX=7,VGA=11\", \"dc-removal\": null, \"bb-freq\": null, \"bw\": null, \"enable-iq-dump\": \"0\", \"iq-file-path\": null, \"udp-dump-host\": \"127.0.0.1\", \"udp-dump-port\": 57356, \"wpm\": null, \"baudrate\": \"4800\", \"framing\": \"ax25\"}}, \"latitude\": 50.469, \"longitude\": 5.718, \"elevation\": 162, \"frequency\": 401356000}", "status": "unknown", "waterfall_status": "unknown", "waterfall_status_user": null, "waterfall_status_datetime": null, "rise_azimuth": 199.0, "set_azimuth": 326.0, "max_altitude": 37.0, "transmitter_uuid": "8hYsd2biF7ojBAHaVvtHY4", "transmitter_description": "Mode U - GMSK4k8", "transmitter_type": "Transmitter", "transmitter_uplink_low": null, "transmitter_uplink_high": null, "transmitter_uplink_drift": null, "transmitter_downlink_low": 401360000, "transmitter_downlink_high": null, "transmitter_downlink_drift": -9966, "transmitter_mode": "GMSK", "transmitter_invert": false, "transmitter_baud": 4800.0, "transmitter_updated": "2025-07-21T15:37:17.029502Z", "transmitter_status": "active", "tle0": "0 PADRE", "tle1": "1 64559U 25135AH 26110.55108021 .00001146 00000-0 11774-3 0 9992", "tle2": "2 64559 97.7649 224.9975 0003326 95.6212 264.5386 14.92299865 45255", "tle_source": "Space-Track.org", "center_frequency": null, "observer": "deckbsd", "observation_frequency": 401356000, "transmitter_unconfirmed": false, "sat_id": "VNWS-4720-9290-9692-1890" }, { "id": 13864022, "start": "2026-04-21T00:39:41Z", "end": "2026-04-21T00:44:28Z", "ground_station": 3093, "transmitter": "VxMgySkd3Ya5nhNtwKjyq2", "norad_cat_id": 63235, "payload": "https://network-satnogs.freetls.fastly.net/media/data_obs/2026/4/21/0/13864022/satnogs_13864022_2026-04-21T00-39-41.ogg", "waterfall": "https://s3.eu-central-1.wasabisys.com/satnogs-network/data_obs/2026/4/21/0/13864022/waterfall_13864022_2026-04-21T00-39-41.png", "demoddata": [ { "payload_demod": 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