Signal K
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    Interface ArpaTarget

    ARPA tracked target.

    {
      "id": 1,
      "status": "tracking",
      "position": {
        "bearing": 45.2,
        "distance": 1852,
        "latitude": 52.1234,
        "longitude": 4.5678
      },
      "motion": {
        "course": 180.5,
        "speed": 5.14
      },
      "danger": {
        "cpa": 150,
        "tcpa": 300
      },
      "acquisition": "manual",
      "firstSeen": "2025-01-15T10:28:00Z",
      "lastSeen": "2025-01-15T10:30:00Z"
    }
    interface ArpaTarget {
        acquisition: ArpaAcquisitionMethod;
        danger: ArpaTargetDanger;
        firstSeen: string;
        id: number;
        lastSeen: string;
        motion: ArpaTargetMotion;
        position: ArpaTargetPosition;
        status: ArpaTargetStatus;
    }
    Index

    Properties

    acquisition danger firstSeen id lastSeen motion position status

    Properties

    acquisition: ArpaAcquisitionMethod

    How this target was acquired

    danger: ArpaTargetDanger

    Danger assessment (CPA/TCPA)

    firstSeen: string

    ISO 8601 timestamp when target was first acquired

    id: number

    Unique target identifier (1-99 typically)

    lastSeen: string

    ISO 8601 timestamp of most recent radar return

    motion: ArpaTargetMotion

    Target motion (course and speed)

    position: ArpaTargetPosition

    Target position relative to own ship

    status: ArpaTargetStatus

    Current tracking status

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    Properties