Callsign:	338403721
MMSI number:	338403721
Vessel class:	Sailing (36)
Location:	37°49.03' N 122°25.03' W - locator CM87ST96WD - show map 4.7 km North bearing 2° from San Francisco, San Francisco County, California, United States [?] 7.6 km Southeast bearing 128° from Sausalito, Marin County, California, United States 70.2 km Northwest bearing 319° from San Jose, Santa Clara County, California, United States
Last position:	2025-09-07 23:15:11 UTC (8d 3h49m ago) 2025-09-07 16:15:11 PDT local time at San Francisco, United States [?]
Course:	122° – heading 511°
Speed:	9 km/h
Last path:	338403721>ais via SUNSET
Positions stored:	34

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.