Callsign:	338141849
MMSI number:	338141849
Navigational status:	Undefined/default (15)
Location:	37°49.99' N 122°28.21' W - locator CM87ST39NX - show map 4.4 km South bearing 187° from Belvedere, Marin County, California, United States [?] 4.6 km South bearing 195° from Tiburon, Marin County, California, United States 7.9 km Northwest bearing 325° from San Francisco, San Francisco County, California, United States 74.7 km Northwest bearing 317° from San Jose, Santa Clara County, California, United States
Last position:	2025-06-29 17:52:25 UTC (28d 8h33m ago) 2025-06-29 10:52:25 PDT local time at Belvedere, United States [?]
Course:	31° – heading 511°
Speed:	51 km/h
Last path:	338141849>ais via SUNSET
Positions stored:	73

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.