Callsign:	WDC9175
MMSI number:	367098550
IMO number:	360153
Navigational status:	Under way (engine) (0)
Vessel class:	Tug (52)
Destination:	XX XXX>US^016G (ETA ***00 24:60)
Location:	37°47.75' N 122°31.60' W - locator CM87RT61TA - show map 9.7 km West bearing 284° from San Francisco, San Francisco County, California, United States [?] 11.5 km Northwest bearing 330° from Daly City, San Mateo County, California, United States 12.7 km North bearing 342° from Broadmoor, San Mateo County, California, United States 75.3 km Northwest bearing 313° from San Jose, Santa Clara County, California, United States
Last position:	2025-09-17 11:50:52 UTC (27d 13h43m ago) 2025-09-17 04:50:52 PDT local time at San Francisco, United States [?]
Course:	60° – heading 60°
Speed:	11 km/h
Dimensions:	length 39 m width 10 m draught 4.6 m
Last path:	WDC9175>ais via SUNSET
Positions stored:	46518

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.