{
  "schemaVersion": 1,
  "exerciseId": "EX-MERIDIAN-PORT-001",
  "notice": "FICTIONAL SYNTHETIC EXERCISE DATA — NOT NAVIGATIONAL OR OPERATIONAL INFORMATION",
  "location": {
    "name": "Port Meridian",
    "fictional": true,
    "coordinateSystem": "exercise-local-grid-metres"
  },
  "observations": [
    {
      "timestampUtc": "2035-04-17T14:00:00Z",
      "trackId": "SIM-AIS-0041",
      "vesselName": "EXERCISE HARBOR LARK",
      "identity": "SIMULATED-0041",
      "position": {"xM": 4120, "yM": 870},
      "courseDegrees": 274,
      "speedKnots": 3.1,
      "navigationStatus": "under-way-using-engine",
      "sourceId": "SIM-AIS-GATEWAY-01",
      "confidence": 0.91,
      "synthetic": true
    },
    {
      "timestampUtc": "2035-04-17T14:00:10Z",
      "trackId": "SIM-AIS-0099",
      "vesselName": "EXERCISE TUG ORIOLE",
      "identity": "SIMULATED-0099",
      "position": {"xM": 2990, "yM": 1110},
      "courseDegrees": 88,
      "speedKnots": 1.7,
      "navigationStatus": "restricted-manoeuvrability-exercise",
      "sourceId": "SIM-AIS-GATEWAY-01",
      "confidence": 0.88,
      "synthetic": true
    }
  ]
}