[
  {
    "node_id": "!b03b3b38",
    "short_name": "3b38",
    "long_name": "Meshtastic 3b38",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 78.0,
    "voltage": 3.977,
    "last_heard": 1758024330,
    "first_heard": 1757829178,
    "uptime_seconds": 2531225,
    "channel_utilization": 6.7633333,
    "air_util_tx": 1.1645555,
    "position_time": 1758024330,
    "latitude": 52.4550144,
    "longitude": 13.4479872,
    "altitude": 0.0,
    "last_seen_iso": "2025-09-16T12:05:30Z",
    "pos_time_iso": "2025-09-16T12:05:30Z"
  },
  {
    "node_id": "!d1edc388",
    "short_name": "ZEN2",
    "long_name": "ZEN-Client2",
    "hw_model": "T_ECHO",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758024307,
    "first_heard": 1758024307,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T12:05:07Z"
  },
  {
    "node_id": "!6eec6364",
    "short_name": "FR_C",
    "long_name": "Frosch/c",
    "hw_model": "T_ECHO",
    "role": "CLIENT_MUTE",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.763,
    "last_heard": 1758024305,
    "first_heard": 1757827060,
    "uptime_seconds": 21547,
    "channel_utilization": 0.0,
    "air_util_tx": 0.020333333,
    "position_time": 1758024305,
    "latitude": 52.5180928,
    "longitude": 13.5520256,
    "altitude": 51.0,
    "last_seen_iso": "2025-09-16T12:05:05Z",
    "pos_time_iso": "2025-09-16T12:05:05Z"
  },
  {
    "node_id": "!33602324",
    "short_name": "Jan",
    "long_name": "Jan SUPREME",
    "hw_model": "LILYGO_TBEAM_S3_CORE",
    "role": "CLIENT",
    "snr": 11.75,
    "battery_level": 101.0,
    "voltage": 1.539,
    "last_heard": 1758024170,
    "first_heard": 1757867591,
    "uptime_seconds": 287346,
    "channel_utilization": 3.1366665,
    "air_util_tx": 0.9874167,
    "position_time": 1758024170,
    "latitude": 52.5074432,
    "longitude": 13.4479872,
    "altitude": 19.0,
    "last_seen_iso": "2025-09-16T12:02:50Z",
    "pos_time_iso": "2025-09-16T12:02:50Z"
  },
  {
    "node_id": "!ef6a21c5",
    "short_name": "SEAm",
    "long_name": "DMSEA mobil",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT_MUTE",
    "snr": 10.5,
    "battery_level": 101.0,
    "voltage": 4.207,
    "last_heard": 1758024031,
    "first_heard": 1757829688,
    "uptime_seconds": 42551,
    "channel_utilization": 0.465,
    "air_util_tx": 0.013194445,
    "position_time": 1758024031,
    "latitude": 52.4550144,
    "longitude": 13.500416,
    "altitude": 33.0,
    "last_seen_iso": "2025-09-16T12:00:31Z",
    "pos_time_iso": "2025-09-16T12:00:31Z"
  },
  {
    "node_id": "!ea24e0b4",
    "short_name": "TWRu",
    "long_name": "TWRu-Node",
    "hw_model": "TLORA_V2_1_1P6",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": 101.0,
    "voltage": 4.356,
    "last_heard": 1758024017,
    "first_heard": 1757829609,
    "uptime_seconds": 1975851,
    "channel_utilization": 4.7633333,
    "air_util_tx": 0.73830557,
    "position_time": 1758020053,
    "latitude": 52.6245888,
    "longitude": 13.4815744,
    "altitude": 61.0,
    "last_seen_iso": "2025-09-16T12:00:17Z",
    "pos_time_iso": "2025-09-16T10:54:13Z"
  },
  {
    "node_id": "!9ee71430",
    "short_name": "FiSp",
    "long_name": "FireSpark",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 96.0,
    "voltage": 4.144,
    "last_heard": 1758023883,
    "first_heard": 1757838749,
    "uptime_seconds": 346359,
    "channel_utilization": 0.28,
    "air_util_tx": 0.27797222,
    "position_time": 1758023883,
    "latitude": 52.5074432,
    "longitude": 13.500416,
    "altitude": 67.0,
    "last_seen_iso": "2025-09-16T11:58:03Z",
    "pos_time_iso": "2025-09-16T11:58:03Z"
  },
  {
    "node_id": "!a2ebd35c",
    "short_name": "MLBM",
    "long_name": "MLB-Mariendorf",
    "hw_model": "STATION_G2",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 101.0,
    "voltage": 0.0,
    "last_heard": 1758023870,
    "first_heard": 1758009572,
    "uptime_seconds": 6125,
    "channel_utilization": 5.2799997,
    "air_util_tx": 1.0125555,
    "position_time": 1758023870,
    "latitude": 52.4455882,
    "longitude": 13.3857503,
    "altitude": 56.0,
    "last_seen_iso": "2025-09-16T11:57:50Z",
    "pos_time_iso": "2025-09-16T11:57:50Z"
  },
  {
    "node_id": "!0c63e027",
    "short_name": "l5ye",
    "long_name": "l5yth e027 mf",
    "hw_model": "T_ECHO",
    "role": "CLIENT_MUTE",
    "snr": -16.5,
    "battery_level": 101.0,
    "voltage": 4.395,
    "last_heard": 1758023813,
    "first_heard": 1757775015,
    "uptime_seconds": 86326,
    "channel_utilization": 2.5766666,
    "air_util_tx": 0.04061111,
    "position_time": 1758023813,
    "latitude": 52.5074432,
    "longitude": 13.500416,
    "altitude": 21.0,
    "last_seen_iso": "2025-09-16T11:56:53Z",
    "pos_time_iso": "2025-09-16T11:56:53Z"
  },
  {
    "node_id": "!bcf10936",
    "short_name": "0936",
    "long_name": "Hopfensender HQ",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 10.25,
    "battery_level": 97.0,
    "voltage": 4.148,
    "last_heard": 1758023735,
    "first_heard": 1757833703,
    "uptime_seconds": 39435,
    "channel_utilization": 4.778333,
    "air_util_tx": 0.7001944,
    "position_time": 1758023735,
    "latitude": 52.5729792,
    "longitude": 13.43488,
    "altitude": 57.0,
    "last_seen_iso": "2025-09-16T11:55:35Z",
    "pos_time_iso": "2025-09-16T11:55:35Z"
  },
  {
    "node_id": "!433e67e8",
    "short_name": "FR_W",
    "long_name": "Frosch/w",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.25,
    "battery_level": 101.0,
    "voltage": 4.288,
    "last_heard": 1758023599,
    "first_heard": 1757819862,
    "uptime_seconds": 439202,
    "channel_utilization": 0.5,
    "air_util_tx": 0.38775,
    "position_time": 1758023599,
    "latitude": 52.5180928,
    "longitude": 13.5520256,
    "altitude": 30.0,
    "last_seen_iso": "2025-09-16T11:53:19Z",
    "pos_time_iso": "2025-09-16T11:53:19Z"
  },
  {
    "node_id": "!9eeb25ec",
    "short_name": "25ec",
    "long_name": "Meshtastic 25ec",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758023552,
    "first_heard": 1757949314,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758023552,
    "latitude": 52.5074432,
    "longitude": 13.3955584,
    "altitude": 52.0,
    "last_seen_iso": "2025-09-16T11:52:32Z",
    "pos_time_iso": "2025-09-16T11:52:32Z"
  },
  {
    "node_id": "!4ed36bd0",
    "short_name": "RDM",
    "long_name": "Random Man",
    "hw_model": "T_DECK",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758023526,
    "first_heard": 1758018235,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758023526,
    "latitude": 52.4550144,
    "longitude": 13.4479872,
    "altitude": 64.0,
    "last_seen_iso": "2025-09-16T11:52:06Z",
    "pos_time_iso": "2025-09-16T11:52:06Z"
  },
  {
    "node_id": "!da63e474",
    "short_name": "🐧",
    "long_name": "belug.de 868MHz",
    "hw_model": "LILYGO_TBEAM_S3_CORE",
    "role": "CLIENT_MUTE",
    "snr": 11.0,
    "battery_level": 100.0,
    "voltage": 4.106,
    "last_heard": 1758023312,
    "first_heard": 1757793513,
    "uptime_seconds": 1382519,
    "channel_utilization": 0.63166666,
    "air_util_tx": 0.04563889,
    "position_time": 1758023312,
    "latitude": 52.5345,
    "longitude": 13.35849,
    "altitude": null,
    "last_seen_iso": "2025-09-16T11:48:32Z",
    "pos_time_iso": "2025-09-16T11:48:32Z"
  },
  {
    "node_id": "!849c4c24",
    "short_name": "TMGG",
    "long_name": "TMG green",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.239,
    "last_heard": 1758023150,
    "first_heard": 1757828747,
    "uptime_seconds": 1271664,
    "channel_utilization": 6.415,
    "air_util_tx": 1.0219444,
    "position_time": 1758017058,
    "latitude": 52.527104,
    "longitude": 13.5462912,
    "altitude": 60.0,
    "last_seen_iso": "2025-09-16T11:45:50Z",
    "pos_time_iso": "2025-09-16T10:04:18Z"
  },
  {
    "node_id": "!bba83318",
    "short_name": "BerF",
    "long_name": "Bernau-Friedenstal",
    "hw_model": "TBEAM",
    "role": "CLIENT",
    "snr": -13.25,
    "battery_level": 101.0,
    "voltage": -0.001,
    "last_heard": 1758022862,
    "first_heard": 1757825270,
    "uptime_seconds": 61,
    "channel_utilization": 7.01,
    "air_util_tx": 0.030944444,
    "position_time": 1758022862,
    "latitude": 52.6712832,
    "longitude": 13.5593984,
    "altitude": 50.0,
    "last_seen_iso": "2025-09-16T11:41:02Z",
    "pos_time_iso": "2025-09-16T11:41:02Z"
  },
  {
    "node_id": "!6aac99f2",
    "short_name": "GW10",
    "long_name": "Greifswalder 10",
    "hw_model": "HELTEC_MESH_NODE_T114",
    "role": "CLIENT",
    "snr": 11.5,
    "battery_level": 101.0,
    "voltage": 4.206,
    "last_heard": 1758022827,
    "first_heard": 1757828430,
    "uptime_seconds": 5614074,
    "channel_utilization": 4.0916667,
    "air_util_tx": 1.1888889,
    "position_time": null,
    "latitude": 52.529706,
    "longitude": 13.426035,
    "altitude": 58.0,
    "last_seen_iso": "2025-09-16T11:40:27Z"
  },
  {
    "node_id": "!aafba2a5",
    "short_name": "syn1",
    "long_name": "I'm syncing ",
    "hw_model": "T_ECHO",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 76.0,
    "voltage": 3.956,
    "last_heard": 1758022806,
    "first_heard": 1757849097,
    "uptime_seconds": 69542,
    "channel_utilization": 0.0,
    "air_util_tx": 0.23583335,
    "position_time": 1758022806,
    "latitude": 52.4468224,
    "longitude": 13.39392,
    "altitude": 55.0,
    "last_seen_iso": "2025-09-16T11:40:06Z",
    "pos_time_iso": "2025-09-16T11:40:06Z"
  },
  {
    "node_id": "!970588c4",
    "short_name": "MxHQ",
    "long_name": "Max HQ",
    "hw_model": "HELTEC_VISION_MASTER_E290",
    "role": "CLIENT_MUTE",
    "snr": 11.25,
    "battery_level": 101.0,
    "voltage": 4.506,
    "last_heard": 1758022796,
    "first_heard": 1757830407,
    "uptime_seconds": 66,
    "channel_utilization": 1.9966668,
    "air_util_tx": 0.012,
    "position_time": null,
    "latitude": 52.4729555,
    "longitude": 13.3166989,
    "altitude": 50.0,
    "last_seen_iso": "2025-09-16T11:39:56Z"
  },
  {
    "node_id": "!a0cb1608",
    "short_name": "KBV5",
    "long_name": "KeinBierVor5",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": -9.75,
    "battery_level": 83.0,
    "voltage": 4.01,
    "last_heard": 1758022713,
    "first_heard": 1757823622,
    "uptime_seconds": 160927,
    "channel_utilization": 2.9883332,
    "air_util_tx": 0.89416665,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T11:38:33Z"
  },
  {
    "node_id": "!194a7351",
    "short_name": "l5y7",
    "long_name": "l5yth 7351 mf",
    "hw_model": "RAK4631",
    "role": "CLIENT_MUTE",
    "snr": 10.75,
    "battery_level": 98.0,
    "voltage": 4.162,
    "last_heard": 1758022708,
    "first_heard": 1757828307,
    "uptime_seconds": 325318,
    "channel_utilization": 1.8983332,
    "air_util_tx": 0.016555555,
    "position_time": 1758001135,
    "latitude": 52.5074432,
    "longitude": 13.500416,
    "altitude": 39.0,
    "last_seen_iso": "2025-09-16T11:38:28Z",
    "pos_time_iso": "2025-09-16T05:38:55Z"
  },
  {
    "node_id": "!433ad740",
    "short_name": "TWR3",
    "long_name": "TWR3-Node",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": -10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758022704,
    "first_heard": 1757825041,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758022704,
    "latitude": 52.525056,
    "longitude": 13.3255168,
    "altitude": 34.0,
    "last_seen_iso": "2025-09-16T11:38:24Z",
    "pos_time_iso": "2025-09-16T11:38:24Z"
  },
  {
    "node_id": "!da621dbc",
    "short_name": "WbXn",
    "long_name": "WebXnode",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": -12.5,
    "battery_level": 101.0,
    "voltage": 4.806,
    "last_heard": 1758022698,
    "first_heard": 1757963288,
    "uptime_seconds": 61247,
    "channel_utilization": 6.79,
    "air_util_tx": 0.92797226,
    "position_time": 1758022698,
    "latitude": 52.6286848,
    "longitude": 13.3332992,
    "altitude": 45.0,
    "last_seen_iso": "2025-09-16T11:38:18Z",
    "pos_time_iso": "2025-09-16T11:38:18Z"
  },
  {
    "node_id": "!14f7692b",
    "short_name": "692b",
    "long_name": "Deft0nes 692b",
    "hw_model": "HELTEC_MESH_NODE_T114",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 90.0,
    "voltage": 4.061,
    "last_heard": 1758022636,
    "first_heard": 1757795817,
    "uptime_seconds": 222343,
    "channel_utilization": 0.0,
    "air_util_tx": 0.06083333,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T11:37:16Z"
  },
  {
    "node_id": "!7c5b0920",
    "short_name": "FFTB",
    "long_name": "Freifunk-Teufelsberg BOT 868",
    "hw_model": "HELTEC_V3",
    "role": "ROUTER",
    "snr": -6.25,
    "battery_level": 97.0,
    "voltage": 4.149,
    "last_heard": 1758022460,
    "first_heard": 1757828009,
    "uptime_seconds": 43287,
    "channel_utilization": 0.58,
    "air_util_tx": 1.0519166,
    "position_time": 1757946866,
    "latitude": 52.49795,
    "longitude": 13.24061,
    "altitude": 160.0,
    "last_seen_iso": "2025-09-16T11:34:20Z",
    "pos_time_iso": "2025-09-15T14:34:26Z"
  },
  {
    "node_id": "!43b6e530",
    "short_name": "FFSR",
    "long_name": "Freifunk-Scherer BOT 868",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": -12.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758022410,
    "first_heard": 1757832883,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758022410,
    "latitude": 52.5481294,
    "longitude": 13.3669095,
    "altitude": 0.0,
    "last_seen_iso": "2025-09-16T11:33:30Z",
    "pos_time_iso": "2025-09-16T11:33:30Z"
  },
  {
    "node_id": "!e50b45d8",
    "short_name": "45d8",
    "long_name": "Meshtastic 45d8",
    "hw_model": "T_ECHO",
    "role": "CLIENT",
    "snr": -6.0,
    "battery_level": 71.0,
    "voltage": 3.902,
    "last_heard": 1758022290,
    "first_heard": 1757780400,
    "uptime_seconds": 183698,
    "channel_utilization": 1.3233333,
    "air_util_tx": 0.41305557,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T11:31:30Z"
  },
  {
    "node_id": "!db2b13fc",
    "short_name": "SO36",
    "long_name": "<LAUSE-Mesh>",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758022244,
    "first_heard": 1757828830,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T11:30:44Z"
  },
  {
    "node_id": "!9ea0c780",
    "short_name": "nguE",
    "long_name": "ngud E Mobile",
    "hw_model": "HELTEC_WIRELESS_PAPER",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": 58.0,
    "voltage": 3.79,
    "last_heard": 1758022219,
    "first_heard": 1757808007,
    "uptime_seconds": 61,
    "channel_utilization": 6.225,
    "air_util_tx": 0.03836111,
    "position_time": 1758004811,
    "latitude": 52.5369344,
    "longitude": 13.484032,
    "altitude": 66.0,
    "last_seen_iso": "2025-09-16T11:30:19Z",
    "pos_time_iso": "2025-09-16T06:40:11Z"
  },
  {
    "node_id": "!44968f61",
    "short_name": "PMRB",
    "long_name": "PotatoMesh Rummelsburg MF",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 10.25,
    "battery_level": 101.0,
    "voltage": -0.001,
    "last_heard": 1758022167,
    "first_heard": 1757827764,
    "uptime_seconds": 323458,
    "channel_utilization": 6.4783335,
    "air_util_tx": 1.0706111,
    "position_time": 1757698889,
    "latitude": 52.5074432,
    "longitude": 13.500416,
    "altitude": 50.0,
    "last_seen_iso": "2025-09-16T11:29:27Z",
    "pos_time_iso": "2025-09-12T17:41:29Z"
  },
  {
    "node_id": "!9ea1bea4",
    "short_name": "zwgl",
    "long_name": "Zwanglos Boddin",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT_MUTE",
    "snr": 11.0,
    "battery_level": 101.0,
    "voltage": 4.325,
    "last_heard": 1758022021,
    "first_heard": 1757838418,
    "uptime_seconds": 1300231,
    "channel_utilization": 0.0,
    "air_util_tx": 0.0,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T11:27:01Z"
  },
  {
    "node_id": "!fa6baed0",
    "short_name": "TWR1",
    "long_name": "TWR1-Nord",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.5,
    "battery_level": 97.0,
    "voltage": 4.152,
    "last_heard": 1758021986,
    "first_heard": 1757811714,
    "uptime_seconds": 14463,
    "channel_utilization": 5.741667,
    "air_util_tx": 0.31316668,
    "position_time": 1758021986,
    "latitude": 52.604928,
    "longitude": 13.3341184,
    "altitude": 65.0,
    "last_seen_iso": "2025-09-16T11:26:26Z",
    "pos_time_iso": "2025-09-16T11:26:26Z"
  },
  {
    "node_id": "!a0cc1800",
    "short_name": "SIXB",
    "long_name": "bea22.mt.sixtopia.net",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": 101.0,
    "voltage": 4.267,
    "last_heard": 1758021966,
    "first_heard": 1757819160,
    "uptime_seconds": 72070,
    "channel_utilization": 2.86,
    "air_util_tx": 0.058916666,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T11:26:06Z"
  },
  {
    "node_id": "!d42e18e8",
    "short_name": "RRun",
    "long_name": "Road-Runner",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 94.0,
    "voltage": 4.106,
    "last_heard": 1758021865,
    "first_heard": 1757831063,
    "uptime_seconds": 452482,
    "channel_utilization": 5.725,
    "air_util_tx": 0.9239167,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T11:24:25Z"
  },
  {
    "node_id": "!f9b0938c",
    "short_name": "Ed-1",
    "long_name": "Y35RO Plänterwald ",
    "hw_model": "TLORA_V2_1_1P6",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": 101.0,
    "voltage": 4.264,
    "last_heard": 1758021840,
    "first_heard": 1757803142,
    "uptime_seconds": 91873,
    "channel_utilization": 3.4916666,
    "air_util_tx": 0.6040555,
    "position_time": 1758021840,
    "latitude": 52.4550144,
    "longitude": 13.4479872,
    "altitude": 36.0,
    "last_seen_iso": "2025-09-16T11:24:00Z",
    "pos_time_iso": "2025-09-16T11:24:00Z"
  },
  {
    "node_id": "!db29aa78",
    "short_name": "_blx",
    "long_name": "DB0BLX",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": 101.0,
    "voltage": 4.229,
    "last_heard": 1758021697,
    "first_heard": 1757829484,
    "uptime_seconds": 501767,
    "channel_utilization": 7.5833335,
    "air_util_tx": 0.91802776,
    "position_time": 1758021697,
    "latitude": 52.4550144,
    "longitude": 13.3431296,
    "altitude": null,
    "last_seen_iso": "2025-09-16T11:21:37Z",
    "pos_time_iso": "2025-09-16T11:21:37Z"
  },
  {
    "node_id": "!16ced364",
    "short_name": "Pat",
    "long_name": "Pat HQ BS",
    "hw_model": "STATION_G2",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758021676,
    "first_heard": 1757830983,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T11:21:16Z"
  },
  {
    "node_id": "!c0c32348",
    "short_name": "CooP",
    "long_name": "Cooper",
    "hw_model": "TBEAM",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758021624,
    "first_heard": 1757863184,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758021624,
    "latitude": 52.5467648,
    "longitude": 13.4873088,
    "altitude": 365.0,
    "last_seen_iso": "2025-09-16T11:20:24Z",
    "pos_time_iso": "2025-09-16T11:20:24Z"
  },
  {
    "node_id": "!abbdf3f7",
    "short_name": "f3f7",
    "long_name": "Smobi",
    "hw_model": "HELTEC_MESH_NODE_T114",
    "role": "CLIENT_MUTE",
    "snr": 11.0,
    "battery_level": 97.0,
    "voltage": 4.16,
    "last_heard": 1758021608,
    "first_heard": 1757800536,
    "uptime_seconds": 107233,
    "channel_utilization": 0.5333333,
    "air_util_tx": 0.017638888,
    "position_time": 1758021608,
    "latitude": 52.4550144,
    "longitude": 13.500416,
    "altitude": 39.0,
    "last_seen_iso": "2025-09-16T11:20:08Z",
    "pos_time_iso": "2025-09-16T11:20:08Z"
  },
  {
    "node_id": "!b03d89fc",
    "short_name": "SEAo",
    "long_name": "DMSEA Oberschöneweide",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758021431,
    "first_heard": 1757827023,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758020801,
    "latitude": 52.4659233,
    "longitude": 13.5175972,
    "altitude": null,
    "last_seen_iso": "2025-09-16T11:17:11Z",
    "pos_time_iso": "2025-09-16T11:06:41Z"
  },
  {
    "node_id": "!4eb3bc8d",
    "short_name": "Alex",
    "long_name": "Alex /p1 (T-Echo)",
    "hw_model": "T_ECHO",
    "role": "CLIENT_MUTE",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.976,
    "last_heard": 1758021235,
    "first_heard": 1757798660,
    "uptime_seconds": 684195,
    "channel_utilization": 4.9083333,
    "air_util_tx": 0.009555556,
    "position_time": 1758021235,
    "latitude": 52.5074432,
    "longitude": 13.3431296,
    "altitude": 25.0,
    "last_seen_iso": "2025-09-16T11:13:55Z",
    "pos_time_iso": "2025-09-16T11:13:55Z"
  },
  {
    "node_id": "!5d9c7329",
    "short_name": "mowM",
    "long_name": "mirkosw /MF",
    "hw_model": "T_ECHO",
    "role": "CLIENT",
    "snr": 11.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758021167,
    "first_heard": 1757769553,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758021167,
    "latitude": 52.4629571,
    "longitude": 13.5138746,
    "altitude": 48.0,
    "last_seen_iso": "2025-09-16T11:12:47Z",
    "pos_time_iso": "2025-09-16T11:12:47Z"
  },
  {
    "node_id": "!0910c922",
    "short_name": "c922",
    "long_name": "Meshtastic c922",
    "hw_model": "HELTEC_MESH_NODE_T114",
    "role": "CLIENT",
    "snr": -12.75,
    "battery_level": 67.0,
    "voltage": 3.866,
    "last_heard": 1758020943,
    "first_heard": 1757830191,
    "uptime_seconds": 126027,
    "channel_utilization": 8.663333,
    "air_util_tx": 0.8109445,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T11:09:03Z"
  },
  {
    "node_id": "!db2b2418",
    "short_name": "AmHe",
    "long_name": "Amon Hen",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": -12.5,
    "battery_level": 101.0,
    "voltage": 4.468,
    "last_heard": 1758020940,
    "first_heard": 1757830524,
    "uptime_seconds": 151156,
    "channel_utilization": 3.4,
    "air_util_tx": 1.1215278,
    "position_time": 1758020940,
    "latitude": 52.5074432,
    "longitude": 13.500416,
    "altitude": 46.0,
    "last_seen_iso": "2025-09-16T11:09:00Z",
    "pos_time_iso": "2025-09-16T11:09:00Z"
  },
  {
    "node_id": "!b03c97a4",
    "short_name": "BLN1",
    "long_name": "BLNo1 Fhain Süd ",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 12.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758020843,
    "first_heard": 1757831824,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758020843,
    "latitude": 52.502528,
    "longitude": 13.4561792,
    "altitude": 38.0,
    "last_seen_iso": "2025-09-16T11:07:23Z",
    "pos_time_iso": "2025-09-16T11:07:23Z"
  },
  {
    "node_id": "!5bcdae60",
    "short_name": "Euv",
    "long_name": "Euv Solar1",
    "hw_model": "SEEED_SOLAR_NODE",
    "role": "ROUTER_LATE",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.218,
    "last_heard": 1758020808,
    "first_heard": 1757795030,
    "uptime_seconds": 82400,
    "channel_utilization": 4.2083335,
    "air_util_tx": 1.2656945,
    "position_time": 1758020808,
    "latitude": 52.5074432,
    "longitude": 13.4479872,
    "altitude": 53.0,
    "last_seen_iso": "2025-09-16T11:06:48Z",
    "pos_time_iso": "2025-09-16T11:06:48Z"
  },
  {
    "node_id": "!b03d7b74",
    "short_name": "unb2",
    "long_name": "unblau-2",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 101.0,
    "voltage": 4.291,
    "last_heard": 1758020706,
    "first_heard": 1757829896,
    "uptime_seconds": 2204856,
    "channel_utilization": 1.8100001,
    "air_util_tx": 0.4839722,
    "position_time": 1758016692,
    "latitude": 52.547584,
    "longitude": 13.3029888,
    "altitude": 0.0,
    "last_seen_iso": "2025-09-16T11:05:06Z",
    "pos_time_iso": "2025-09-16T09:58:12Z"
  },
  {
    "node_id": "!a2ed9ab0",
    "short_name": "9ab0",
    "long_name": "Meshtastic 9ab0",
    "hw_model": "UNSET",
    "role": "CLIENT",
    "snr": -14.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758020491,
    "first_heard": 1757773995,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758020491,
    "latitude": 52.5635584,
    "longitude": 13.3771264,
    "altitude": 82.0,
    "last_seen_iso": "2025-09-16T11:01:31Z",
    "pos_time_iso": "2025-09-16T11:01:31Z"
  },
  {
    "node_id": "!f6b3f9bf",
    "short_name": "TGT1",
    "long_name": "Hansaplatz Tiergarten",
    "hw_model": "SEEED_SOLAR_NODE",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758020037,
    "first_heard": 1757802296,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758020037,
    "latitude": 52.5074432,
    "longitude": 13.3431296,
    "altitude": 10.0,
    "last_seen_iso": "2025-09-16T10:53:57Z",
    "pos_time_iso": "2025-09-16T10:53:57Z"
  },
  {
    "node_id": "!92476202",
    "short_name": "WMDF",
    "long_name": "WMDF/RAK",
    "hw_model": "RAK2560",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758019484,
    "first_heard": 1757799337,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T10:44:44Z"
  },
  {
    "node_id": "!43b6f328",
    "short_name": "775",
    "long_name": "BF775 ",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": 54.0,
    "voltage": 3.753,
    "last_heard": 1758018963,
    "first_heard": 1757774419,
    "uptime_seconds": 61,
    "channel_utilization": 4.62,
    "air_util_tx": 0.024916666,
    "position_time": 1758018963,
    "latitude": 52.4588781,
    "longitude": 13.3774764,
    "altitude": 51.0,
    "last_seen_iso": "2025-09-16T10:36:03Z",
    "pos_time_iso": "2025-09-16T10:36:03Z"
  },
  {
    "node_id": "!c0c321b4",
    "short_name": "AFCK",
    "long_name": "AufAckse",
    "hw_model": "TBEAM",
    "role": "ROUTER",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 0.0,
    "last_heard": 1758018868,
    "first_heard": 1757976245,
    "uptime_seconds": 61,
    "channel_utilization": 8.83,
    "air_util_tx": 0.043027777,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T10:34:28Z"
  },
  {
    "node_id": "!4359d8f8",
    "short_name": "fax",
    "long_name": "fantastix",
    "hw_model": "HELTEC_WIRELESS_PAPER",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 101.0,
    "voltage": 4.237,
    "last_heard": 1758018594,
    "first_heard": 1757832819,
    "uptime_seconds": 61,
    "channel_utilization": 22.18,
    "air_util_tx": 0.049666665,
    "position_time": 1757972208,
    "latitude": 52.43278,
    "longitude": 13.47092,
    "altitude": 50.0,
    "last_seen_iso": "2025-09-16T10:29:54Z",
    "pos_time_iso": "2025-09-15T21:36:48Z"
  },
  {
    "node_id": "!45a351b8",
    "short_name": "DLS",
    "long_name": "NDB Luebars 📡 Replacement",
    "hw_model": "HELTEC_VISION_MASTER_T190",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758018339,
    "first_heard": 1757809531,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": 52.6139,
    "longitude": 13.3636,
    "altitude": 70.0,
    "last_seen_iso": "2025-09-16T10:25:39Z"
  },
  {
    "node_id": "!7a6d877c",
    "short_name": "877c",
    "long_name": "【ツ】 877c",
    "hw_model": "TBEAM",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758018256,
    "first_heard": 1757858681,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T10:24:16Z"
  },
  {
    "node_id": "!177cfa26",
    "short_name": "lun1",
    "long_name": "Lunet One",
    "hw_model": "T_ECHO",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.847,
    "last_heard": 1758017722,
    "first_heard": 1757768167,
    "uptime_seconds": 1046205,
    "channel_utilization": 1.0316666,
    "air_util_tx": 0.021694444,
    "position_time": 1758000320,
    "latitude": 52.5021165,
    "longitude": 13.5000622,
    "altitude": 61.0,
    "last_seen_iso": "2025-09-16T10:15:22Z",
    "pos_time_iso": "2025-09-16T05:25:20Z"
  },
  {
    "node_id": "!90a0ecac",
    "short_name": "MxSc",
    "long_name": "Max Screen",
    "hw_model": "SENSECAP_INDICATOR",
    "role": "CLIENT_MUTE",
    "snr": 11.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758017217,
    "first_heard": 1757822815,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T10:06:57Z"
  },
  {
    "node_id": "!45edbd08",
    "short_name": "SOL1",
    "long_name": "SOL1-Karow☀️",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 97.0,
    "voltage": 4.15,
    "last_heard": 1758016680,
    "first_heard": 1757825874,
    "uptime_seconds": 5900335,
    "channel_utilization": 5.335,
    "air_util_tx": 0.76850003,
    "position_time": null,
    "latitude": 52.6241792,
    "longitude": 13.481984,
    "altitude": 62.0,
    "last_seen_iso": "2025-09-16T09:58:00Z"
  },
  {
    "node_id": "!b03ceb58",
    "short_name": "base",
    "long_name": "c-base.org 868MHz",
    "hw_model": "HELTEC_WIRELESS_TRACKER",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758016262,
    "first_heard": 1757827634,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758016262,
    "latitude": 52.512859,
    "longitude": 13.420156,
    "altitude": 57.0,
    "last_seen_iso": "2025-09-16T09:51:02Z",
    "pos_time_iso": "2025-09-16T09:51:02Z"
  },
  {
    "node_id": "!43561304",
    "short_name": "NBS",
    "long_name": "NBS14 Base Station",
    "hw_model": "HELTEC_WIRELESS_PAPER",
    "role": "CLIENT",
    "snr": 11.5,
    "battery_level": 77.0,
    "voltage": 3.966,
    "last_heard": 1758016068,
    "first_heard": 1757820798,
    "uptime_seconds": 3175412,
    "channel_utilization": 0.75,
    "air_util_tx": 1.4291389,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T09:47:48Z"
  },
  {
    "node_id": "!068e1ebc",
    "short_name": "1ebc",
    "long_name": "Meshtastic 1ebc",
    "hw_model": "UNSET",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758015995,
    "first_heard": 1757829634,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758015980,
    "latitude": 52.5309528,
    "longitude": 13.40785,
    "altitude": 122.0,
    "last_seen_iso": "2025-09-16T09:46:35Z",
    "pos_time_iso": "2025-09-16T09:46:20Z"
  },
  {
    "node_id": "!9c93a2df",
    "short_name": "xaRa",
    "long_name": "xayax RAK",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": 69.0,
    "voltage": 3.884,
    "last_heard": 1758015870,
    "first_heard": 1757799869,
    "uptime_seconds": 243332,
    "channel_utilization": 0.35833332,
    "air_util_tx": 0.7733611,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T09:44:30Z"
  },
  {
    "node_id": "!fa6bb504",
    "short_name": "TWR2",
    "long_name": "TWR2-Zentrum",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.205,
    "last_heard": 1758015712,
    "first_heard": 1757831988,
    "uptime_seconds": 2512816,
    "channel_utilization": 8.266666,
    "air_util_tx": 0.44,
    "position_time": null,
    "latitude": 52.5254656,
    "longitude": 13.3251072,
    "altitude": 82.0,
    "last_seen_iso": "2025-09-16T09:41:52Z"
  },
  {
    "node_id": "!d224b9ee",
    "short_name": "b2",
    "long_name": "Bobby 👾",
    "hw_model": "RAK4631",
    "role": "CLIENT_MUTE",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.283,
    "last_heard": 1758015408,
    "first_heard": 1757808116,
    "uptime_seconds": 218123,
    "channel_utilization": 1.2483333,
    "air_util_tx": 0.0078055556,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T09:36:48Z"
  },
  {
    "node_id": "!01bb88db",
    "short_name": "GSBM",
    "long_name": "Gedenkstätte Berliner Mauer",
    "hw_model": "HELTEC_MESH_NODE_T114",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758015366,
    "first_heard": 1757820966,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T09:36:06Z"
  },
  {
    "node_id": "!da635e24",
    "short_name": "LAN",
    "long_name": "LAN (\"ping\"/SF)",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.203,
    "last_heard": 1758015344,
    "first_heard": 1757820949,
    "uptime_seconds": 61,
    "channel_utilization": 16.29,
    "air_util_tx": 0.012527777,
    "position_time": 1757921223,
    "latitude": 52.5343,
    "longitude": 13.4996,
    "altitude": null,
    "last_seen_iso": "2025-09-16T09:35:44Z",
    "pos_time_iso": "2025-09-15T07:27:03Z"
  },
  {
    "node_id": "!102cb4b8",
    "short_name": "JAN",
    "long_name": "Jan T114",
    "hw_model": "HELTEC_MESH_NODE_T114",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758015258,
    "first_heard": 1757877459,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T09:34:18Z"
  },
  {
    "node_id": "!6c73bf84",
    "short_name": "ts1",
    "long_name": "Tegeler See Node 1",
    "hw_model": "TBEAM",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": 100.0,
    "voltage": 4.179,
    "last_heard": 1758014737,
    "first_heard": 1757824664,
    "uptime_seconds": 30670,
    "channel_utilization": 6.3450003,
    "air_util_tx": 0.28575,
    "position_time": null,
    "latitude": 52.559872,
    "longitude": 13.2907008,
    "altitude": 35.0,
    "last_seen_iso": "2025-09-16T09:25:37Z"
  },
  {
    "node_id": "!459d6743",
    "short_name": "FiCr",
    "long_name": "FireCracker",
    "hw_model": "HELTEC_MESH_NODE_T114",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 94.0,
    "voltage": 4.119,
    "last_heard": 1758014471,
    "first_heard": 1757766762,
    "uptime_seconds": 135194,
    "channel_utilization": 7.666667,
    "air_util_tx": 0.43,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T09:21:11Z"
  },
  {
    "node_id": "!ba653ae8",
    "short_name": "3ae8",
    "long_name": "Meshtastic 3ae8",
    "hw_model": "HELTEC_V3",
    "role": "ROUTER",
    "snr": -15.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758014372,
    "first_heard": 1757795468,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758014358,
    "latitude": 52.6385152,
    "longitude": 13.631488,
    "altitude": 70.0,
    "last_seen_iso": "2025-09-16T09:19:32Z",
    "pos_time_iso": "2025-09-16T09:19:18Z"
  },
  {
    "node_id": "!b03bd350",
    "short_name": "d350",
    "long_name": "Meshtastic d350",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.319,
    "last_heard": 1758014231,
    "first_heard": 1757830628,
    "uptime_seconds": 858270,
    "channel_utilization": 11.208333,
    "air_util_tx": 1.0202223,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T09:17:11Z"
  },
  {
    "node_id": "!fe794c32",
    "short_name": "4c32",
    "long_name": "Meshtastic 4c32",
    "hw_model": "HELTEC_MESH_POCKET",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 58.0,
    "voltage": 3.715,
    "last_heard": 1758013994,
    "first_heard": 1757830385,
    "uptime_seconds": 428921,
    "channel_utilization": 1.8333333,
    "air_util_tx": 0.5350556,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T09:13:14Z"
  },
  {
    "node_id": "!e138f77e",
    "short_name": "PN",
    "long_name": "Pankow-Nord",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758013798,
    "first_heard": 1757808582,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": 52.6123008,
    "longitude": 13.3955584,
    "altitude": 45.0,
    "last_seen_iso": "2025-09-16T09:09:58Z"
  },
  {
    "node_id": "!ca6804d1",
    "short_name": "Pckd",
    "long_name": "Meshpocket",
    "hw_model": "HELTEC_MESH_POCKET",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 96.0,
    "voltage": 4.277,
    "last_heard": 1758013494,
    "first_heard": 1758004687,
    "uptime_seconds": 1426575,
    "channel_utilization": 1.8383334,
    "air_util_tx": 0.8704722,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T09:04:54Z"
  },
  {
    "node_id": "!9eecf3c0",
    "short_name": "WT",
    "long_name": "WalkieTextie",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.266,
    "last_heard": 1758012935,
    "first_heard": 1757808022,
    "uptime_seconds": 141388,
    "channel_utilization": 0.0,
    "air_util_tx": 0.04994444,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T08:55:35Z"
  },
  {
    "node_id": "!3addea0f",
    "short_name": "BHMS",
    "long_name": "BLN Hdf Stat",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758012691,
    "first_heard": 1757796687,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T08:51:31Z"
  },
  {
    "node_id": "!db2b23f4",
    "short_name": "Eagl",
    "long_name": "Gwaihir",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.25,
    "battery_level": 101.0,
    "voltage": 4.235,
    "last_heard": 1758012346,
    "first_heard": 1757822402,
    "uptime_seconds": 52420,
    "channel_utilization": 3.4016664,
    "air_util_tx": 1.0981389,
    "position_time": 1758012332,
    "latitude": 52.5074432,
    "longitude": 13.500416,
    "altitude": 41.0,
    "last_seen_iso": "2025-09-16T08:45:46Z",
    "pos_time_iso": "2025-09-16T08:45:32Z"
  },
  {
    "node_id": "!f1f67380",
    "short_name": "ULLL",
    "long_name": "ULLL",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 91.0,
    "voltage": 4.072,
    "last_heard": 1758011782,
    "first_heard": 1757808552,
    "uptime_seconds": 1578588,
    "channel_utilization": 12.368334,
    "air_util_tx": 0.55258334,
    "position_time": null,
    "latitude": 52.5156352,
    "longitude": 13.3251072,
    "altitude": null,
    "last_seen_iso": "2025-09-16T08:36:22Z"
  },
  {
    "node_id": "!3dd7fd1e",
    "short_name": "nguT",
    "long_name": "ngud T",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 100.0,
    "voltage": 4.226,
    "last_heard": 1758011510,
    "first_heard": 1757829747,
    "uptime_seconds": 19508,
    "channel_utilization": 9.521667,
    "air_util_tx": 0.9995833,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T08:31:50Z"
  },
  {
    "node_id": "!6e11aaed",
    "short_name": "ARSH",
    "long_name": "Marschi",
    "hw_model": "HELTEC_MESH_POCKET",
    "role": "CLIENT_MUTE",
    "snr": 11.25,
    "battery_level": 66.0,
    "voltage": 3.803,
    "last_heard": 1758011126,
    "first_heard": 1757954437,
    "uptime_seconds": 672827,
    "channel_utilization": 3.3166666,
    "air_util_tx": 0.022583332,
    "position_time": 1758011105,
    "latitude": 52.527104,
    "longitude": 13.4545408,
    "altitude": 50.0,
    "last_seen_iso": "2025-09-16T08:25:26Z",
    "pos_time_iso": "2025-09-16T08:25:05Z"
  },
  {
    "node_id": "!6c73edec",
    "short_name": "SQ9Y",
    "long_name": "SQ9PQL-LY",
    "hw_model": "TBEAM",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758010908,
    "first_heard": 1758005281,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758010908,
    "latitude": 52.5193216,
    "longitude": 13.4295552,
    "altitude": 139.0,
    "last_seen_iso": "2025-09-16T08:21:48Z",
    "pos_time_iso": "2025-09-16T08:21:48Z"
  },
  {
    "node_id": "!ba60638c",
    "short_name": "638c",
    "long_name": "Meshtastic 638c",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT_MUTE",
    "snr": 10.75,
    "battery_level": 22.0,
    "voltage": 3.445,
    "last_heard": 1758010715,
    "first_heard": 1757821860,
    "uptime_seconds": 205139,
    "channel_utilization": 1.435,
    "air_util_tx": 0.014333334,
    "position_time": 1758010715,
    "latitude": 52.5074432,
    "longitude": 13.6052736,
    "altitude": 57.0,
    "last_seen_iso": "2025-09-16T08:18:35Z",
    "pos_time_iso": "2025-09-16T08:18:35Z"
  },
  {
    "node_id": "!90520695",
    "short_name": "FuLo",
    "long_name": "Funklochfüller",
    "hw_model": "HELTEC_MESH_NODE_T114",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758010592,
    "first_heard": 1757835032,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758010592,
    "latitude": 52.4550144,
    "longitude": 13.500416,
    "altitude": 37.0,
    "last_seen_iso": "2025-09-16T08:16:32Z",
    "pos_time_iso": "2025-09-16T08:16:32Z"
  },
  {
    "node_id": "!a0cc1394",
    "short_name": "KBV4",
    "long_name": "KeinBierVor4",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": 96.0,
    "voltage": 4.143,
    "last_heard": 1758010569,
    "first_heard": 1757864736,
    "uptime_seconds": 136967,
    "channel_utilization": 2.6966667,
    "air_util_tx": 0.51630557,
    "position_time": 1758010569,
    "latitude": 52.6123008,
    "longitude": 13.3431296,
    "altitude": 45.0,
    "last_seen_iso": "2025-09-16T08:16:09Z",
    "pos_time_iso": "2025-09-16T08:16:09Z"
  },
  {
    "node_id": "!dc6e4013",
    "short_name": "Kn5S",
    "long_name": "Kein5Stein 4013 P",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758010085,
    "first_heard": 1757825108,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1758010072,
    "latitude": 52.4636282,
    "longitude": 13.3223541,
    "altitude": 50.0,
    "last_seen_iso": "2025-09-16T08:08:05Z",
    "pos_time_iso": "2025-09-16T08:07:52Z"
  },
  {
    "node_id": "!5d823fb1",
    "short_name": "3fb1",
    "long_name": "SoswB",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758009741,
    "first_heard": 1757774595,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T08:02:21Z"
  },
  {
    "node_id": "!8d36a17d",
    "short_name": "TPTS",
    "long_name": "teapot418 Station",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 12.0,
    "battery_level": 97.0,
    "voltage": 4.158,
    "last_heard": 1758008973,
    "first_heard": 1757778153,
    "uptime_seconds": 137781,
    "channel_utilization": 4.8,
    "air_util_tx": 0.5290556,
    "position_time": 1758008973,
    "latitude": 52.5565952,
    "longitude": 13.3726208,
    "altitude": 42.0,
    "last_seen_iso": "2025-09-16T07:49:33Z",
    "pos_time_iso": "2025-09-16T07:49:33Z"
  },
  {
    "node_id": "!1d60dd3c",
    "short_name": "FFZW",
    "long_name": "Freifunk-Zwingli BOT 868",
    "hw_model": "TLORA_V2_1_1P6",
    "role": "CLIENT",
    "snr": 11.5,
    "battery_level": 98.0,
    "voltage": 4.164,
    "last_heard": 1758007923,
    "first_heard": 1757579680,
    "uptime_seconds": 29060,
    "channel_utilization": 5.3433332,
    "air_util_tx": 0.82975,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T07:32:03Z"
  },
  {
    "node_id": "!b03ca90c",
    "short_name": "tnvr",
    "long_name": "Tarnover",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT_MUTE",
    "snr": 11.25,
    "battery_level": 95.0,
    "voltage": 4.124,
    "last_heard": 1758007701,
    "first_heard": 1757813299,
    "uptime_seconds": 1286952,
    "channel_utilization": 1.7483333,
    "air_util_tx": 0.0076666665,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T07:28:21Z"
  },
  {
    "node_id": "!9ea0bcbc",
    "short_name": "bcbc",
    "long_name": "Meshtastic bcbc",
    "hw_model": "HELTEC_WIRELESS_PAPER",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1758007003,
    "first_heard": 1757872713,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T07:16:43Z"
  },
  {
    "node_id": "!6c740610",
    "short_name": "🦄",
    "long_name": "IDDQD 10435",
    "hw_model": "TBEAM",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 100.0,
    "voltage": 4.15,
    "last_heard": 1758006481,
    "first_heard": 1758000812,
    "uptime_seconds": 16503,
    "channel_utilization": 1.5616666,
    "air_util_tx": 0.23580554,
    "position_time": 1758000717,
    "latitude": 52.54,
    "longitude": 13.41,
    "altitude": null,
    "last_seen_iso": "2025-09-16T07:08:01Z",
    "pos_time_iso": "2025-09-16T05:31:57Z"
  },
  {
    "node_id": "!a6683ea5",
    "short_name": "🏞",
    "long_name": "sitnchill",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 93.0,
    "voltage": 4.101,
    "last_heard": 1758004291,
    "first_heard": 1757820684,
    "uptime_seconds": 202779,
    "channel_utilization": 2.4883335,
    "air_util_tx": 0.36124998,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T06:31:31Z"
  },
  {
    "node_id": "!b6428bf9",
    "short_name": "WB",
    "long_name": "W-Base",
    "hw_model": "HELTEC_MESH_NODE_T114",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": 72.0,
    "voltage": 3.916,
    "last_heard": 1758003689,
    "first_heard": 1757809702,
    "uptime_seconds": 67406,
    "channel_utilization": 3.486667,
    "air_util_tx": 1.0410833,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T06:21:29Z"
  },
  {
    "node_id": "!ed6a8dc9",
    "short_name": "PTA1",
    "long_name": "K4PUT techo1",
    "hw_model": "T_ECHO",
    "role": "CLIENT",
    "snr": -13.0,
    "battery_level": 101.0,
    "voltage": 4.765,
    "last_heard": 1758001946,
    "first_heard": 1757813123,
    "uptime_seconds": 75491,
    "channel_utilization": 2.4483333,
    "air_util_tx": 0.63211113,
    "position_time": 1758001946,
    "latitude": 52.4550144,
    "longitude": 13.3955584,
    "altitude": 77.0,
    "last_seen_iso": "2025-09-16T05:52:26Z",
    "pos_time_iso": "2025-09-16T05:52:26Z"
  },
  {
    "node_id": "!02788f81",
    "short_name": "HanS",
    "long_name": "Meshtastic 8f81",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 58.0,
    "voltage": 3.877,
    "last_heard": 1758001632,
    "first_heard": 1758001632,
    "uptime_seconds": 471594,
    "channel_utilization": 3.7566667,
    "air_util_tx": 0.061694447,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T05:47:12Z"
  },
  {
    "node_id": "!849a8ba4",
    "short_name": "MGN1",
    "long_name": "Magnus 1",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": 101.0,
    "voltage": 4.201,
    "last_heard": 1758001403,
    "first_heard": 1757829564,
    "uptime_seconds": 740673,
    "channel_utilization": 0.0,
    "air_util_tx": 0.025305556,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T05:43:23Z"
  },
  {
    "node_id": "!af51a025",
    "short_name": "Mry0",
    "long_name": "Mry BaseStation",
    "hw_model": "SEEED_SOLAR_NODE",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 65.0,
    "voltage": 3.846,
    "last_heard": 1758001298,
    "first_heard": 1757843714,
    "uptime_seconds": 192440,
    "channel_utilization": 1.3983333,
    "air_util_tx": 0.6596111,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T05:41:38Z"
  },
  {
    "node_id": "!849a8b90",
    "short_name": "📶",
    "long_name": "bert",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": -12.75,
    "battery_level": 101.0,
    "voltage": 4.274,
    "last_heard": 1758001165,
    "first_heard": 1757950681,
    "uptime_seconds": 56369,
    "channel_utilization": 10.768333,
    "air_util_tx": 1.1604723,
    "position_time": 1758001165,
    "latitude": 52.5074432,
    "longitude": 13.4479872,
    "altitude": 48.0,
    "last_seen_iso": "2025-09-16T05:39:25Z",
    "pos_time_iso": "2025-09-16T05:39:25Z"
  },
  {
    "node_id": "!e80cda12",
    "short_name": "mowW",
    "long_name": "mirkosw /pWisMeshTag",
    "hw_model": "WISMESH_TAG",
    "role": "CLIENT_MUTE",
    "snr": 11.0,
    "battery_level": 94.0,
    "voltage": 4.114,
    "last_heard": 1758000138,
    "first_heard": 1757797822,
    "uptime_seconds": 66,
    "channel_utilization": 3.01,
    "air_util_tx": 0.014333334,
    "position_time": 1758000127,
    "latitude": 52.4725355,
    "longitude": 13.3700968,
    "altitude": -39.0,
    "last_seen_iso": "2025-09-16T05:22:18Z",
    "pos_time_iso": "2025-09-16T05:22:07Z"
  },
  {
    "node_id": "!a0cc2af8",
    "short_name": "2af8",
    "long_name": "Meshtastic 2af8",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": -14.5,
    "battery_level": 76.0,
    "voltage": 3.958,
    "last_heard": 1757999642,
    "first_heard": 1757817531,
    "uptime_seconds": 71724,
    "channel_utilization": 0.0,
    "air_util_tx": 0.5922222,
    "position_time": 1757999631,
    "latitude": 52.5074432,
    "longitude": 13.500416,
    "altitude": 61.0,
    "last_seen_iso": "2025-09-16T05:14:02Z",
    "pos_time_iso": "2025-09-16T05:13:51Z"
  },
  {
    "node_id": "!18de8f57",
    "short_name": "TWR4",
    "long_name": "TWR4-Node",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757999530,
    "first_heard": 1757826734,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T05:12:10Z"
  },
  {
    "node_id": "!2b292b2c",
    "short_name": "RüP",
    "long_name": "Rüdesheimer Platz",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757999468,
    "first_heard": 1757970516,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1757999468,
    "latitude": 52.4731107,
    "longitude": 13.3152098,
    "altitude": 61.0,
    "last_seen_iso": "2025-09-16T05:11:08Z",
    "pos_time_iso": "2025-09-16T05:11:08Z"
  },
  {
    "node_id": "!b1fa2b07",
    "short_name": "FROG",
    "long_name": "Frosch/p",
    "hw_model": "T_ECHO",
    "role": "CLIENT_MUTE",
    "snr": 11.0,
    "battery_level": 101.0,
    "voltage": 4.752,
    "last_heard": 1757998632,
    "first_heard": 1757911631,
    "uptime_seconds": 122785,
    "channel_utilization": 2.385,
    "air_util_tx": 0.038000003,
    "position_time": 1757998630,
    "latitude": 52.518912,
    "longitude": 13.5512064,
    "altitude": 68.0,
    "last_seen_iso": "2025-09-16T04:57:12Z",
    "pos_time_iso": "2025-09-16T04:57:10Z"
  },
  {
    "node_id": "!9eecb2fc",
    "short_name": "scf1",
    "long_name": "smartCityFarm-eV-greenhouse",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.273,
    "last_heard": 1757998168,
    "first_heard": 1757798528,
    "uptime_seconds": 573904,
    "channel_utilization": 0.2866667,
    "air_util_tx": 0.8055833,
    "position_time": 1757998157,
    "latitude": 52.4730368,
    "longitude": 13.4660096,
    "altitude": 43.0,
    "last_seen_iso": "2025-09-16T04:49:28Z",
    "pos_time_iso": "2025-09-16T04:49:17Z"
  },
  {
    "node_id": "!9c56b631",
    "short_name": "KatS",
    "long_name": "KatSComm",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 74.0,
    "voltage": 3.936,
    "last_heard": 1757997367,
    "first_heard": 1757824568,
    "uptime_seconds": 637262,
    "channel_utilization": 3.8866665,
    "air_util_tx": 0.86419445,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T04:36:07Z"
  },
  {
    "node_id": "!6c7311ec",
    "short_name": "ts2",
    "long_name": "Tegeler See Node 2",
    "hw_model": "TBEAM",
    "role": "CLIENT",
    "snr": -14.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757997350,
    "first_heard": 1757824323,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T04:35:50Z"
  },
  {
    "node_id": "!25c2e7dc",
    "short_name": "e7dc",
    "long_name": "Julia Kløckchain",
    "hw_model": "TLORA_V2_1_1P6",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757996090,
    "first_heard": 1757781280,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1757996090,
    "latitude": 52.5074432,
    "longitude": 13.4479872,
    "altitude": 50.0,
    "last_seen_iso": "2025-09-16T04:14:50Z",
    "pos_time_iso": "2025-09-16T04:14:50Z"
  },
  {
    "node_id": "!a0cc6904",
    "short_name": "Kdû",
    "long_name": "Khazad-dûm",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.5,
    "battery_level": 4.0,
    "voltage": 3.195,
    "last_heard": 1757992840,
    "first_heard": 1757819079,
    "uptime_seconds": 154899,
    "channel_utilization": 0.7366667,
    "air_util_tx": 0.7919166,
    "position_time": 1757987158,
    "latitude": 52.5074432,
    "longitude": 13.500416,
    "altitude": 57.0,
    "last_seen_iso": "2025-09-16T03:20:40Z",
    "pos_time_iso": "2025-09-16T01:45:58Z"
  },
  {
    "node_id": "!9e17349d",
    "short_name": "TPT2",
    "long_name": "teapot418 Mobile 2",
    "hw_model": "RAK4631",
    "role": "CLIENT_MUTE",
    "snr": 11.0,
    "battery_level": 101.0,
    "voltage": 4.137,
    "last_heard": 1757991656,
    "first_heard": 1757842651,
    "uptime_seconds": 137360,
    "channel_utilization": 0.5733334,
    "air_util_tx": 0.0048333337,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T03:00:56Z"
  },
  {
    "node_id": "!d2545511",
    "short_name": "pix",
    "long_name": "knapix",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT_MUTE",
    "snr": 10.25,
    "battery_level": 101.0,
    "voltage": 4.177,
    "last_heard": 1757989799,
    "first_heard": 1757825026,
    "uptime_seconds": 65238,
    "channel_utilization": 4.6466665,
    "air_util_tx": 0.032055557,
    "position_time": 1757989799,
    "latitude": 52.4419072,
    "longitude": 13.4610944,
    "altitude": 67.0,
    "last_seen_iso": "2025-09-16T02:29:59Z",
    "pos_time_iso": "2025-09-16T02:29:59Z"
  },
  {
    "node_id": "!9ee70ed0",
    "short_name": "AAMB",
    "long_name": "AufAckse MB",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 0.0,
    "voltage": 3.09,
    "last_heard": 1757988219,
    "first_heard": 1757924327,
    "uptime_seconds": 29115,
    "channel_utilization": 6.14,
    "air_util_tx": 0.8681667,
    "position_time": 1757968452,
    "latitude": 52.6319616,
    "longitude": 13.5069696,
    "altitude": 0.0,
    "last_seen_iso": "2025-09-16T02:03:39Z",
    "pos_time_iso": "2025-09-15T20:34:12Z"
  },
  {
    "node_id": "!849c3d08",
    "short_name": "LAN2",
    "long_name": "LAN2 Frag mich @llm oder via DM",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757987152,
    "first_heard": 1757987152,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T01:45:52Z"
  },
  {
    "node_id": "!9eecf808",
    "short_name": "F0oz",
    "long_name": "(ㆆ_ㆆ)   F0oz",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757983521,
    "first_heard": 1757814557,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-16T00:45:21Z"
  },
  {
    "node_id": "!a2e17674",
    "short_name": "MATg",
    "long_name": "DB9MAT G2",
    "hw_model": "STATION_G2",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 0.0,
    "last_heard": 1757982809,
    "first_heard": 1757826009,
    "uptime_seconds": 4280244,
    "channel_utilization": 1.0916667,
    "air_util_tx": 0.7342778,
    "position_time": 1757982809,
    "latitude": 52.5214663,
    "longitude": 13.6291073,
    "altitude": 60.0,
    "last_seen_iso": "2025-09-16T00:33:29Z",
    "pos_time_iso": "2025-09-16T00:33:29Z"
  },
  {
    "node_id": "!da627d58",
    "short_name": "DEF1",
    "long_name": "Defcom1",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757979939,
    "first_heard": 1757829932,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1757972506,
    "latitude": 52.5262848,
    "longitude": 13.3275648,
    "altitude": 34.0,
    "last_seen_iso": "2025-09-15T23:45:39Z",
    "pos_time_iso": "2025-09-15T21:41:46Z"
  },
  {
    "node_id": "!c0c30b10",
    "short_name": "WIES",
    "long_name": "7LA 0b10",
    "hw_model": "TBEAM",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 101.0,
    "voltage": -0.001,
    "last_heard": 1757979778,
    "first_heard": 1757979778,
    "uptime_seconds": 58896,
    "channel_utilization": 0.0,
    "air_util_tx": 0.71275,
    "position_time": null,
    "latitude": 52.4550144,
    "longitude": 13.3431296,
    "altitude": 59.0,
    "last_seen_iso": "2025-09-15T23:42:58Z"
  },
  {
    "node_id": "!849b8194",
    "short_name": "ip83",
    "long_name": "ijp83",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT_MUTE",
    "snr": -13.25,
    "battery_level": 7.0,
    "voltage": 3.249,
    "last_heard": 1757975065,
    "first_heard": 1757932193,
    "uptime_seconds": 79148,
    "channel_utilization": 7.9566665,
    "air_util_tx": 0.0165,
    "position_time": null,
    "latitude": 52.5074432,
    "longitude": 13.3431296,
    "altitude": 70.0,
    "last_seen_iso": "2025-09-15T22:24:25Z"
  },
  {
    "node_id": "!db898113",
    "short_name": "8113",
    "long_name": "xberg solar 8113",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757974079,
    "first_heard": 1757951837,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1757974079,
    "latitude": 52.5074432,
    "longitude": 13.3955584,
    "altitude": 49.0,
    "last_seen_iso": "2025-09-15T22:07:59Z",
    "pos_time_iso": "2025-09-15T22:07:59Z"
  },
  {
    "node_id": "!9ee70320",
    "short_name": "NS-N",
    "long_name": "Klub Łączności ODRA baza \"N\"📡",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": -14.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757974062,
    "first_heard": 1757974062,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T22:07:42Z"
  },
  {
    "node_id": "!e00cea30",
    "short_name": "NHR1",
    "long_name": "NHGR1_ea30",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": 101.0,
    "voltage": 4.275,
    "last_heard": 1757971839,
    "first_heard": 1757774673,
    "uptime_seconds": 1199785,
    "channel_utilization": 4.4483333,
    "air_util_tx": 0.7357222,
    "position_time": 1757971839,
    "latitude": 52.5074432,
    "longitude": 13.6577024,
    "altitude": 64.0,
    "last_seen_iso": "2025-09-15T21:30:39Z",
    "pos_time_iso": "2025-09-15T21:30:39Z"
  },
  {
    "node_id": "!88071b58",
    "short_name": "FlxS",
    "long_name": "Flux/S",
    "hw_model": "RAK4631",
    "role": "CLIENT_MUTE",
    "snr": 10.75,
    "battery_level": 60.0,
    "voltage": 3.8,
    "last_heard": 1757969892,
    "first_heard": 1757786586,
    "uptime_seconds": 138147,
    "channel_utilization": 0.0,
    "air_util_tx": 0.0,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T20:58:12Z"
  },
  {
    "node_id": "!3269942c",
    "short_name": "LLL",
    "long_name": "Live Laugh Love",
    "hw_model": "HELTEC_MESH_POCKET",
    "role": "CLIENT_MUTE",
    "snr": 11.0,
    "battery_level": 89.0,
    "voltage": 4.051,
    "last_heard": 1757969171,
    "first_heard": 1757828787,
    "uptime_seconds": 1413885,
    "channel_utilization": 2.4150002,
    "air_util_tx": 0.0,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T20:46:11Z"
  },
  {
    "node_id": "!bb8a1ac6",
    "short_name": "EDUP",
    "long_name": "7EDU_Portable",
    "hw_model": "HELTEC_MESH_NODE_T114",
    "role": "CLIENT",
    "snr": 10.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757967029,
    "first_heard": 1757871014,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1757967029,
    "latitude": 52.4970876,
    "longitude": 13.4645596,
    "altitude": 40.0,
    "last_seen_iso": "2025-09-15T20:10:29Z",
    "pos_time_iso": "2025-09-15T20:10:29Z"
  },
  {
    "node_id": "!849b7154",
    "short_name": "7154",
    "long_name": "Meshtastic 7154",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT_MUTE",
    "snr": -14.5,
    "battery_level": 39.0,
    "voltage": 3.623,
    "last_heard": 1757967022,
    "first_heard": 1757915428,
    "uptime_seconds": 64985,
    "channel_utilization": 7.1850004,
    "air_util_tx": 0.00825,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T20:10:22Z"
  },
  {
    "node_id": "!bb9f80ca",
    "short_name": "b1",
    "long_name": "Bobby 🔌",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 11.75,
    "battery_level": 101.0,
    "voltage": 4.236,
    "last_heard": 1757966180,
    "first_heard": 1757825782,
    "uptime_seconds": 735853,
    "channel_utilization": 5.8966665,
    "air_util_tx": 0.7563889,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T19:56:20Z"
  },
  {
    "node_id": "!da9d5a98",
    "short_name": "5a98",
    "long_name": "xberg 5a98",
    "hw_model": "TLORA_V2_1_1P6",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757964900,
    "first_heard": 1757961563,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T19:35:00Z"
  },
  {
    "node_id": "!433ecff8",
    "short_name": "44er",
    "long_name": "DO7DSL stat.",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.286,
    "last_heard": 1757964614,
    "first_heard": 1757824216,
    "uptime_seconds": 741720,
    "channel_utilization": 0.5733334,
    "air_util_tx": 0.6061389,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T19:30:14Z"
  },
  {
    "node_id": "!6cf821fb",
    "short_name": "OKP1",
    "long_name": "Okapi 1 (he) mobil",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 85.0,
    "voltage": 4.051,
    "last_heard": 1757963585,
    "first_heard": 1757959167,
    "uptime_seconds": 66,
    "channel_utilization": 5.4233336,
    "air_util_tx": 0.03694444,
    "position_time": 1757962779,
    "latitude": 52.5074432,
    "longitude": 13.4479872,
    "altitude": 51.0,
    "last_seen_iso": "2025-09-15T19:13:05Z",
    "pos_time_iso": "2025-09-15T18:59:39Z"
  },
  {
    "node_id": "!7f7d7914",
    "short_name": "hau2",
    "long_name": "Hauke 2",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757963065,
    "first_heard": 1757963065,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T19:04:25Z"
  },
  {
    "node_id": "!03b9ca11",
    "short_name": "ca11",
    "long_name": "Meshtastic ca11",
    "hw_model": "UNSET",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 57.0,
    "voltage": 3.869,
    "last_heard": 1757957659,
    "first_heard": 1757957659,
    "uptime_seconds": 26711,
    "channel_utilization": 2.3766665,
    "air_util_tx": 0.1098889,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T17:34:19Z"
  },
  {
    "node_id": "!28978f94",
    "short_name": "8f94",
    "long_name": "Landsberger K",
    "hw_model": "TBEAM",
    "role": "CLIENT_MUTE",
    "snr": 11.5,
    "battery_level": 2.0,
    "voltage": 3.099,
    "last_heard": 1757953198,
    "first_heard": 1757939754,
    "uptime_seconds": 13504,
    "channel_utilization": 8.165,
    "air_util_tx": 0.051833335,
    "position_time": 1757953102,
    "latitude": 52.559872,
    "longitude": 13.500416,
    "altitude": 115.0,
    "last_seen_iso": "2025-09-15T16:19:58Z",
    "pos_time_iso": "2025-09-15T16:18:22Z"
  },
  {
    "node_id": "!9d3dba8a",
    "short_name": "FLV2",
    "long_name": "Fluvius 2",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT_MUTE",
    "snr": -13.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757950866,
    "first_heard": 1757820166,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T15:41:06Z"
  },
  {
    "node_id": "!a3deea53",
    "short_name": "🐸",
    "long_name": "green",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT_MUTE",
    "snr": 10.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757949419,
    "first_heard": 1757920065,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T15:16:59Z"
  },
  {
    "node_id": "!2f945044",
    "short_name": "BND",
    "long_name": "Briansnachrichtendienst",
    "hw_model": "TLORA_V2_1_1P6",
    "role": "CLIENT",
    "snr": -12.25,
    "battery_level": 96.0,
    "voltage": 4.14,
    "last_heard": 1757948827,
    "first_heard": 1757787385,
    "uptime_seconds": 61,
    "channel_utilization": 6.011667,
    "air_util_tx": 0.0335,
    "position_time": 1757947583,
    "latitude": 52.4435456,
    "longitude": 13.3906432,
    "altitude": 50.0,
    "last_seen_iso": "2025-09-15T15:07:07Z",
    "pos_time_iso": "2025-09-15T14:46:23Z"
  },
  {
    "node_id": "!c5abeec2",
    "short_name": "ICEM",
    "long_name": "ICE Mobile",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": 84.0,
    "voltage": 4.047,
    "last_heard": 1757944855,
    "first_heard": 1757928259,
    "uptime_seconds": 22332,
    "channel_utilization": 6.893333,
    "air_util_tx": 0.7370833,
    "position_time": 1757944853,
    "latitude": 52.4156928,
    "longitude": 13.5135232,
    "altitude": 35.0,
    "last_seen_iso": "2025-09-15T14:00:55Z",
    "pos_time_iso": "2025-09-15T14:00:53Z"
  },
  {
    "node_id": "!28978dd4",
    "short_name": "Gelb",
    "long_name": "Gelb innen",
    "hw_model": "TBEAM",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757941652,
    "first_heard": 1757770565,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T13:07:32Z"
  },
  {
    "node_id": "!1551a9dc",
    "short_name": "PELA",
    "long_name": "PELA a9dc",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757939305,
    "first_heard": 1757913601,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1757939302,
    "latitude": 52.5074432,
    "longitude": 13.500416,
    "altitude": 31.0,
    "last_seen_iso": "2025-09-15T12:28:25Z",
    "pos_time_iso": "2025-09-15T12:28:22Z"
  },
  {
    "node_id": "!c0c309ec",
    "short_name": "NJM1",
    "long_name": "NHGJM1_09ec",
    "hw_model": "TBEAM",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757939019,
    "first_heard": 1757820219,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T12:23:39Z"
  },
  {
    "node_id": "!64e2ecc2",
    "short_name": "d0m",
    "long_name": "d0m",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757936716,
    "first_heard": 1757831284,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T11:45:16Z"
  },
  {
    "node_id": "!9ee71c38",
    "short_name": "1c38",
    "long_name": "Varus1c38",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757934899,
    "first_heard": 1757784888,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T11:14:59Z"
  },
  {
    "node_id": "!da73ea58",
    "short_name": "🏡",
    "long_name": "dmho-ho",
    "hw_model": "SEEED_XIAO_S3",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757934581,
    "first_heard": 1757882020,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T11:09:41Z"
  },
  {
    "node_id": "!6c6964f4",
    "short_name": "BXU9",
    "long_name": "The Unknown Station #9",
    "hw_model": "TBEAM",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 101.0,
    "voltage": 0.0,
    "last_heard": 1757922959,
    "first_heard": 1757892003,
    "uptime_seconds": 2223,
    "channel_utilization": 0.6433333,
    "air_util_tx": 0.09477778,
    "position_time": 1757922346,
    "latitude": 52.3829248,
    "longitude": 13.6511488,
    "altitude": 76.0,
    "last_seen_iso": "2025-09-15T07:55:59Z",
    "pos_time_iso": "2025-09-15T07:45:46Z"
  },
  {
    "node_id": "!9eecf544",
    "short_name": "f544",
    "long_name": "Meshtastic f544",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.0,
    "battery_level": 101.0,
    "voltage": 4.27,
    "last_heard": 1757920953,
    "first_heard": 1757775822,
    "uptime_seconds": 41210,
    "channel_utilization": 0.0,
    "air_util_tx": 0.35269445,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-15T07:22:33Z"
  },
  {
    "node_id": "!2b1f7a6f",
    "short_name": "kerc",
    "long_name": "kermit-cap",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT_MUTE",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.188,
    "last_heard": 1757912588,
    "first_heard": 1757821520,
    "uptime_seconds": 203658,
    "channel_utilization": 0.0,
    "air_util_tx": 0.015694445,
    "position_time": 1757912567,
    "latitude": 52.5008896,
    "longitude": 13.4283264,
    "altitude": 26.0,
    "last_seen_iso": "2025-09-15T05:03:08Z",
    "pos_time_iso": "2025-09-15T05:02:47Z"
  },
  {
    "node_id": "!433b36c4",
    "short_name": "36c4",
    "long_name": "Meshtastic 36c4",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT_MUTE",
    "snr": 11.0,
    "battery_level": 101.0,
    "voltage": 4.22,
    "last_heard": 1757890305,
    "first_heard": 1757826915,
    "uptime_seconds": 61,
    "channel_utilization": 2.02,
    "air_util_tx": 0.013027778,
    "position_time": 1757890305,
    "latitude": 52.4550144,
    "longitude": 13.3955584,
    "altitude": 51.0,
    "last_seen_iso": "2025-09-14T22:51:45Z",
    "pos_time_iso": "2025-09-14T22:51:45Z"
  },
  {
    "node_id": "!433ef3e8",
    "short_name": "F&F1",
    "long_name": "F&F Node 1",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT_MUTE",
    "snr": 11.25,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757889266,
    "first_heard": 1757889266,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-14T22:34:26Z"
  },
  {
    "node_id": "!2d070d01",
    "short_name": "0d01",
    "long_name": "Pankow-0d01",
    "hw_model": "RAK4631",
    "role": "ROUTER",
    "snr": 11.25,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757887925,
    "first_heard": 1757769107,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-14T22:12:05Z"
  },
  {
    "node_id": "!9ea12df0",
    "short_name": "Ed-2",
    "long_name": "Plänti-2",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757886951,
    "first_heard": 1757798479,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-14T21:55:51Z"
  },
  {
    "node_id": "!dc7494c4",
    "short_name": "narc",
    "long_name": "free2air narcissus",
    "hw_model": "T_ECHO",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 101.0,
    "voltage": 4.885,
    "last_heard": 1757886215,
    "first_heard": 1757802406,
    "uptime_seconds": 120272,
    "channel_utilization": 1.08,
    "air_util_tx": 0.40763888,
    "position_time": 1757886215,
    "latitude": 52.5074432,
    "longitude": 13.3955584,
    "altitude": 98.0,
    "last_seen_iso": "2025-09-14T21:43:35Z",
    "pos_time_iso": "2025-09-14T21:43:35Z"
  },
  {
    "node_id": "!435b0714",
    "short_name": "GR",
    "long_name": "GolfRomeo",
    "hw_model": "LILYGO_TBEAM_S3_CORE",
    "role": "CLIENT",
    "snr": 11.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757880681,
    "first_heard": 1757796511,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1757880661,
    "latitude": 52.5074432,
    "longitude": 13.3955584,
    "altitude": 6.0,
    "last_seen_iso": "2025-09-14T20:11:21Z",
    "pos_time_iso": "2025-09-14T20:11:01Z"
  },
  {
    "node_id": "!fa6a3d6c",
    "short_name": "Kn1S",
    "long_name": "Kein1Stein_3d6c",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757877889,
    "first_heard": 1757778421,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1757877868,
    "latitude": 52.4645919,
    "longitude": 13.323267,
    "altitude": 20.0,
    "last_seen_iso": "2025-09-14T19:24:49Z",
    "pos_time_iso": "2025-09-14T19:24:28Z"
  },
  {
    "node_id": "!78299711",
    "short_name": "EDUT",
    "long_name": "7EDU_Tracker",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT_MUTE",
    "snr": 10.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757872010,
    "first_heard": 1757872010,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-14T17:46:50Z"
  },
  {
    "node_id": "!7a6bf888",
    "short_name": "g0r",
    "long_name": "g0r",
    "hw_model": "TBEAM",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757866046,
    "first_heard": 1757866046,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-14T16:07:26Z"
  },
  {
    "node_id": "!2fbb1f99",
    "short_name": "TWR5",
    "long_name": "TWR5-Node",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": -12.0,
    "battery_level": 96.0,
    "voltage": 4.135,
    "last_heard": 1757863942,
    "first_heard": 1757831000,
    "uptime_seconds": 461385,
    "channel_utilization": 9.408333,
    "air_util_tx": 0.37438887,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-14T15:32:22Z"
  },
  {
    "node_id": "!b03c9678",
    "short_name": "9678",
    "long_name": "Meshtastic 9678",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757862351,
    "first_heard": 1757862351,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-14T15:05:51Z"
  },
  {
    "node_id": "!43b7c694",
    "short_name": "FFVH",
    "long_name": "Freifunk-Vaterhaus 868",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": -9.5,
    "battery_level": 101.0,
    "voltage": -0.001,
    "last_heard": 1757860460,
    "first_heard": 1757596854,
    "uptime_seconds": 91324,
    "channel_utilization": 19.016666,
    "air_util_tx": 4.991889,
    "position_time": 1757860460,
    "latitude": 52.4649417,
    "longitude": 13.4852833,
    "altitude": null,
    "last_seen_iso": "2025-09-14T14:34:20Z",
    "pos_time_iso": "2025-09-14T14:34:20Z"
  },
  {
    "node_id": "!2448d855",
    "short_name": "D7DS",
    "long_name": "DO7DSL port.",
    "hw_model": "HELTEC_MESH_NODE_T114",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 58.0,
    "voltage": 3.785,
    "last_heard": 1757860140,
    "first_heard": 1757827324,
    "uptime_seconds": 96555,
    "channel_utilization": 3.425,
    "air_util_tx": 0.42688888,
    "position_time": 1757860140,
    "latitude": 52.4713984,
    "longitude": 13.4709248,
    "altitude": 37.0,
    "last_seen_iso": "2025-09-14T14:29:00Z",
    "pos_time_iso": "2025-09-14T14:29:00Z"
  },
  {
    "node_id": "!6d022fe7",
    "short_name": "ACAB",
    "long_name": "Køpi Bleibt!!",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": -13.5,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757859810,
    "first_heard": 1757859810,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-14T14:23:30Z"
  },
  {
    "node_id": "!abf83f48",
    "short_name": "3f48",
    "long_name": "xberg mqtt B<->HH 3f48",
    "hw_model": "TBEAM",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": 100.0,
    "voltage": 4.159,
    "last_heard": 1757848344,
    "first_heard": 1757842531,
    "uptime_seconds": 394662,
    "channel_utilization": 1.1066667,
    "air_util_tx": 0.35994443,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-14T11:12:24Z"
  },
  {
    "node_id": "!bfbdc5ca",
    "short_name": "c5ca",
    "long_name": "gordon-shumway",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT_MUTE",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757846433,
    "first_heard": 1757846433,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-14T10:40:33Z"
  },
  {
    "node_id": "!ba6a8d40",
    "short_name": "8d40",
    "long_name": "Meshtastic 8d40",
    "hw_model": "UNSET",
    "role": "CLIENT",
    "snr": 10.5,
    "battery_level": 101.0,
    "voltage": 4.264,
    "last_heard": 1757841940,
    "first_heard": 1757841940,
    "uptime_seconds": 15602,
    "channel_utilization": 6.1633334,
    "air_util_tx": 1.1865834,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-14T09:25:40Z"
  },
  {
    "node_id": "!b03d9170",
    "short_name": "9170",
    "long_name": "Meshtastic 9170",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": 68.0,
    "voltage": 3.872,
    "last_heard": 1757830324,
    "first_heard": 1757830324,
    "uptime_seconds": 23462,
    "channel_utilization": 5.65,
    "air_util_tx": 0.76186115,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-14T06:12:04Z"
  },
  {
    "node_id": "!ba0cae50",
    "short_name": "NJMA",
    "long_name": "NHGJMA_ae50",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": -10.0,
    "battery_level": 54.0,
    "voltage": 3.758,
    "last_heard": 1757816213,
    "first_heard": 1757816213,
    "uptime_seconds": 61,
    "channel_utilization": 2.675,
    "air_util_tx": 0.018166667,
    "position_time": 1757815898,
    "latitude": 52.5074432,
    "longitude": 13.6577024,
    "altitude": 72.0,
    "last_seen_iso": "2025-09-14T02:16:53Z",
    "pos_time_iso": "2025-09-14T02:11:38Z"
  },
  {
    "node_id": "!1bf8ed79",
    "short_name": "MxMG",
    "long_name": "Max Mobil Grau",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT_MUTE",
    "snr": 11.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757815963,
    "first_heard": 1757815963,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1757791826,
    "latitude": 52.477952,
    "longitude": 13.320192,
    "altitude": 41.0,
    "last_seen_iso": "2025-09-14T02:12:43Z",
    "pos_time_iso": "2025-09-13T19:30:26Z"
  },
  {
    "node_id": "!9ee71b3c",
    "short_name": "🐸",
    "long_name": "spuck",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": -10.5,
    "battery_level": 18.0,
    "voltage": 3.406,
    "last_heard": 1757815862,
    "first_heard": 1757815862,
    "uptime_seconds": 99670,
    "channel_utilization": 5.3599997,
    "air_util_tx": 0.92630553,
    "position_time": null,
    "latitude": 52.5074432,
    "longitude": 13.500416,
    "altitude": 49.0,
    "last_seen_iso": "2025-09-14T02:11:02Z"
  },
  {
    "node_id": "!9ea1af60",
    "short_name": "stph",
    "long_name": "Stephie",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": -9.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757814507,
    "first_heard": 1757814507,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1757814953,
    "latitude": 52.5041664,
    "longitude": 13.451264,
    "altitude": 36.0,
    "last_seen_iso": "2025-09-14T01:48:27Z",
    "pos_time_iso": "2025-09-14T01:55:53Z"
  },
  {
    "node_id": "!c8b928d6",
    "short_name": "BPS",
    "long_name": "BlackPress",
    "hw_model": "RAK4631",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757804907,
    "first_heard": 1757804907,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-13T23:08:27Z"
  },
  {
    "node_id": "!f9b262d4",
    "short_name": "FPUD",
    "long_name": "DD6UAT Vogelsdorf",
    "hw_model": "TLORA_V2_1_1P6",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": 101.0,
    "voltage": 4.397,
    "last_heard": 1757796130,
    "first_heard": 1757796130,
    "uptime_seconds": 60,
    "channel_utilization": 2.5533333,
    "air_util_tx": 0.021277778,
    "position_time": 1757796133,
    "latitude": 52.5074432,
    "longitude": 13.76256,
    "altitude": 0.0,
    "last_seen_iso": "2025-09-13T20:42:10Z",
    "pos_time_iso": "2025-09-13T20:42:13Z"
  },
  {
    "node_id": "!2f91531c",
    "short_name": "ijon",
    "long_name": "mobile.ijon.tychie",
    "hw_model": "T_DECK_PRO",
    "role": "CLIENT",
    "snr": 11.0,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757786605,
    "first_heard": 1757786605,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-13T18:03:25Z"
  },
  {
    "node_id": "!433af570",
    "short_name": "LB",
    "long_name": "LAN Backpack",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT_MUTE",
    "snr": 10.75,
    "battery_level": 101.0,
    "voltage": 4.226,
    "last_heard": 1757783077,
    "first_heard": 1757783077,
    "uptime_seconds": 61,
    "channel_utilization": 1.55,
    "air_util_tx": 0.007972223,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-13T17:04:37Z"
  },
  {
    "node_id": "!99bc90a8",
    "short_name": "d**b",
    "long_name": "d**b Deck",
    "hw_model": "T_DECK",
    "role": "CLIENT_MUTE",
    "snr": 11.25,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757781032,
    "first_heard": 1757781032,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-13T16:30:32Z"
  },
  {
    "node_id": "!5b835c1c",
    "short_name": "APRL",
    "long_name": "AprilAllTheTime ",
    "hw_model": "HELTEC_MESH_NODE_T114",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757776492,
    "first_heard": 1757776492,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1757777355,
    "latitude": 52.5074432,
    "longitude": 13.3431296,
    "altitude": 36.0,
    "last_seen_iso": "2025-09-13T15:14:52Z",
    "pos_time_iso": "2025-09-13T15:29:15Z"
  },
  {
    "node_id": "!f840cb2d",
    "short_name": "cb2d",
    "long_name": "Meshtastic cb2d",
    "hw_model": "UNSET",
    "role": "CLIENT",
    "snr": 11.25,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757767695,
    "first_heard": 1757767695,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1757767678,
    "latitude": 52.5074432,
    "longitude": 13.3955584,
    "altitude": -6.0,
    "last_seen_iso": "2025-09-13T12:48:15Z",
    "pos_time_iso": "2025-09-13T12:47:58Z"
  },
  {
    "node_id": "!336019dc",
    "short_name": "🥚",
    "long_name": "Meshtastic 19dc",
    "hw_model": "LILYGO_TBEAM_S3_CORE",
    "role": "CLIENT",
    "snr": 10.25,
    "battery_level": 101.0,
    "voltage": 4.164,
    "last_heard": 1757767317,
    "first_heard": 1757767317,
    "uptime_seconds": 22630,
    "channel_utilization": 1.86,
    "air_util_tx": 0.74213886,
    "position_time": 1757796407,
    "latitude": 52.4896667,
    "longitude": 13.3502437,
    "altitude": 38.0,
    "last_seen_iso": "2025-09-13T12:41:57Z",
    "pos_time_iso": "2025-09-13T20:46:47Z"
  },
  {
    "node_id": "!17f58f25",
    "short_name": "imja",
    "long_name": "imja",
    "hw_model": "TRACKER_T1000_E",
    "role": "TRACKER",
    "snr": 10.25,
    "battery_level": 34.0,
    "voltage": 3.794,
    "last_heard": 1757766359,
    "first_heard": 1757766359,
    "uptime_seconds": 25255,
    "channel_utilization": 2.9433334,
    "air_util_tx": 1.000861,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-13T12:25:59Z"
  },
  {
    "node_id": "!b5954cf7",
    "short_name": "jofi",
    "long_name": "jofi 4cf7",
    "hw_model": "TRACKER_T1000_E",
    "role": "CLIENT",
    "snr": -11.75,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757765297,
    "first_heard": 1757765297,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": 1757765291,
    "latitude": 52.5074432,
    "longitude": 13.2907008,
    "altitude": 34.0,
    "last_seen_iso": "2025-09-13T12:08:17Z",
    "pos_time_iso": "2025-09-13T12:08:11Z"
  },
  {
    "node_id": "!ee59338a",
    "short_name": "pizi",
    "long_name": "Pitztaler Straße Panketal",
    "hw_model": "SEEED_SOLAR_NODE",
    "role": "CLIENT",
    "snr": -1.25,
    "battery_level": null,
    "voltage": null,
    "last_heard": 1757765246,
    "first_heard": 1757765246,
    "uptime_seconds": null,
    "channel_utilization": null,
    "air_util_tx": null,
    "position_time": null,
    "latitude": null,
    "longitude": null,
    "altitude": null,
    "last_seen_iso": "2025-09-13T12:07:26Z"
  },
  {
    "node_id": "!db2b4f3c",
    "short_name": "rboM",
    "long_name": "rbo-mobile",
    "hw_model": "HELTEC_V3",
    "role": "CLIENT",
    "snr": 10.75,
    "battery_level": 99.0,
    "voltage": 4.178,
    "last_heard": 1757759115,
    "first_heard": 1757759115,
    "uptime_seconds": 45209,
    "channel_utilization": 1.1933333,
    "air_util_tx": 0.6788611,
    "position_time": 1757743846,
    "latitude": 52.5672448,
    "longitude": 13.5241728,
    "altitude": 76.0,
    "last_seen_iso": "2025-09-13T10:25:15Z",
    "pos_time_iso": "2025-09-13T06:10:46Z"
  }
]
