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AIS vessel ROYAL_PRINCE - show graphs
Callsign: WCX8037
MMSI number: 366975760
IMO number: 816359
Navigational status: Under way (engine) (0)
Vessel class: (99)
Destination: (ETA ***00 24:60)
Location: 37°48.57' N 122°26.46' W - locator CM87ST74BG - show map
4.3 km Northwest bearing 334° from San Francisco, San Francisco County, California, United States [?]
7.2 km South bearing 169° from Tiburon, Marin County, California, United States
71.0 km Northwest bearing 318° from San Jose, Santa Clara County, California, United States
Last position: 2025-07-09 03:45:37 UTC (22m31s ago)
2025-07-08 20:45:37 PDT local time at San Francisco, United States [?]
Course: 76° – heading 511°
Speed: 16 km/h
Dimensions: length 25 m width 9 m draught 0.0 m
Last path: WCX8037>ais via SUNSET
Positions stored: 45324
About this site
This page shows real-time information collected from the Automatic Position Reporting System Internet network (APRS-IS). APRS is used by amateur (ham) radio operators to transmit real-time position information, weather data, telemetry and messages over the radio. A vehicle equipped with a GPS receiver, a VHF transmitter or HF transceiver and a small computer device called a tracker transmits it's location, speed and course in a small data packet, which is then received by a nearby iGate receiving site which forwards the packet on the Internet. Systems connected to the Internet can send information on the APRS-IS without a radio transmitter, or collect and display information transmitted anywhere in the world.
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