Callsign:	WDG2199
MMSI number:	367513170
IMO number:	652964
Navigational status:	Reserved (12)
Vessel class:	Tug (52)
Destination:	COL RIVER OPS (ETA May12 02:59)
Location:	37°45.99' N 122°22.91' W - locator CM87TS43EW - show map 3.4 km East bearing 106° from San Francisco, San Francisco County, California, United States [?] 9.8 km Northeast bearing 46° from Daly City, San Mateo County, California, United States 64.0 km Northwest bearing 318° from San Jose, Santa Clara County, California, United States
Last position:	2025-12-17 10:10:05 UTC (41d 13h23m ago) 2025-12-17 02:10:05 PST local time at San Francisco, United States [?]
Course:	199° – heading 184°
Speed:	5 km/h
Dimensions:	length 22 m width 8 m draught 2.3 m
Last path:	WDG2199>ais via AA6CE
Positions stored:	30063

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.