Callsign:	TIVOLI@
MMSI number:	338543654
Vessel class:	Pleasure (37)
Location:	37°49.21' N 122°28.67' W - locator CM87ST26QT - show map 4.4 km South bearing 171° from Sausalito, Marin County, California, United States [?] 6.0 km South bearing 191° from Belvedere, Marin County, California, United States 7.2 km Northwest bearing 314° from San Francisco, San Francisco County, California, United States 74.1 km Northwest bearing 316° from San Jose, Santa Clara County, California, United States
Last position:	2025-11-02 21:50:31 UTC (14d 18h11m ago) 2025-11-02 13:50:31 PST local time at Sausalito, United States [?]
Course:	39° – heading 511°
Speed:	9 km/h
Last path:	TIVOLI@>ais via SUNSET
Positions stored:	25

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.