{
  "schema": "univip.telemetry.v0.2",
  "device_id": "urn:univip:acme:SN12345",
  "session_id": "flight-2026-10-15-1042",
  "timestamp": "2026-10-15T10:32:15.125Z",
  "sequence": 4201,
  "time": { "source": "GNSS", "accuracy_ms": 2 },
  "position": {
    "latitude_deg": 12.9716,
    "longitude_deg": 77.5946,
    "altitude_msl_m": 962.4,
    "altitude_ellipsoid_m": 876.1,
    "altitude_agl_m": 42.1,
    "altitude_rel_m": 41.8,
    "source": "GNSS",
    "geoid_model": "EGM96",
    "agl_source": "TERRAIN_MODEL",
    "horizontal_accuracy_m": 1.2,
    "vertical_accuracy_m": 2.0
  },
  "motion": {
    "heading_deg": 90.5,
    "course_deg": 88.0,
    "ground_speed_mps": 4.2,
    "velocity_north_mps": 0.15,
    "velocity_east_mps": 4.2,
    "velocity_down_mps": -0.1,
    "roll_deg": 2.1,
    "pitch_deg": -6.3,
    "yaw_deg": 90.5
  },
  "power": { "battery_pct": 76, "voltage_v": 23.4, "current_a": 18.2, "remaining_endurance_s": 1260 },
  "link": { "state": "CONNECTED", "signal_quality_pct": 88, "latency_ms": 45, "transport": "RADIO" },
  "vehicle": {
    "vehicle_state": "OPERATING",
    "domain_state": "FLYING",
    "flight_mode": "POSITION",
    "armed": true,
    "home": { "latitude_deg": 12.9701, "longitude_deg": 77.5930, "altitude_msl_m": 920.6 },
    "distance_from_home_m": 243.0,
    "operation_time_s": 412,
    "in_geofence": true,
    "control": { "pilot_override": false, "source": "PILOT" }
  },
  "payloads": [
    {
      "payload_id": "cam-1",
      "type": "CAMERA",
      "gimbal": { "frame": "EARTH", "roll_deg": 0.0, "pitch_deg": -45.0, "yaw_deg": 95.0 },
      "zoom_ratio": 4.0,
      "hfov_deg": 18.5,
      "vfov_deg": 10.5,
      "recording": { "active": true, "started_at": "2026-10-15T10:25:40.000Z", "media_id": "rec-20261015-1025" },
      "stream_ids": ["cam-1-main"],
      "geospatial": {
        "hfov_deg": 18.5,
        "vfov_deg": 10.5,
        "frame_center": { "latitude_deg": 12.97157, "longitude_deg": 77.59498, "altitude_msl_m": 920.3 },
        "slant_range_m": 59.5,
        "footprint": { "type": "Polygon", "coordinates": [[[77.59490, 12.97162], [77.59506, 12.97162], [77.59507, 12.97151], [77.59489, 12.97151], [77.59490, 12.97162]]] },
        "footprint_source": "TERRAIN_MODEL",
        "position_uncertainty_m": 1.2,
        "footprint_uncertainty_m": 4.5
      }
    }
  ],
  "health": {
    "status": "OK",
    "gnss": { "fix": "3D", "satellites": 17, "hdop": 0.7 },
    "faults": [],
    "sensors": { "imu": "OK", "compass": "OK", "barometer": "OK", "obstacle_avoidance": "OK" },
    "temperature_c": 41.0
  }
}