Callsign:	WDD7653
MMSI number:	367189370
IMO number:	670000
Navigational status:	Under way (engine) (0)
Vessel class:	Passenger (60)
Destination:	ALAMEDA 7 (ETA ***00 24:60)
Location:	37°49.77' N 122°25.51' W - locator CM87ST89XB - show map 5.6 km Southeast bearing 151° from Tiburon, Marin County, California, United States [?] 5.9 km Southeast bearing 144° from Belvedere, Marin County, California, United States 6.1 km North bearing 355° from San Francisco, San Francisco County, California, United States 71.7 km Northwest bearing 320° from San Jose, Santa Clara County, California, United States
Last position:	2025-07-25 19:37:53 UTC (10h46m ago) 2025-07-25 12:37:53 PDT local time at Tiburon, United States [?]
Course:	75.800003051758° – heading 511°
Speed:	10 km/h
Dimensions:	length 24 m width 6 m draught 1.8 m
Last path:	WDD7653>ais via SUNSET
Positions stored:	8687

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.