Callsign:	WDP2176
MMSI number:	368333870
IMO number:	37804
Navigational status:	Under way (engine) (0)
Vessel class:	Tug (52)
Destination:	SF ASSIST
Location:	37°49.29' N 122°24.02' W - locator CM87TT17WE - show map 5.4 km North bearing 18° from San Francisco, San Francisco County, California, United States [?] 8.0 km Southeast bearing 135° from Belvedere, Marin County, California, United States 8.5 km Southeast bearing 119° from Sausalito, Marin County, California, United States 69.7 km Northwest bearing 320° from San Jose, Santa Clara County, California, United States
Last position:	2025-12-23 11:19:34 UTC (5h45m ago) 2025-12-23 03:19:34 PST local time at San Francisco, United States [?]
Course:	168.60000610352° – heading 170°
Speed:	14 km/h
Dimensions:	length 25 m width 13 m draught 5.2 m
Last path:	WDP2176>ais via SUNSET
Positions stored:	53992

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.