Callsign:	WDP4334
MMSI number:	368353440
Vessel class:	Sailing (36)
Location:	37°52.30' N 122°23.27' W - locator CM87TU39LE - show map 3.8 miles East bearing 92° from Tiburon, Marin County, California, United States [?] 6.9 miles North bearing 14° from San Francisco, San Francisco County, California, United States 45.6 miles Northwest bearing 324° from San Jose, Santa Clara County, California, United States
Last position:	2025-01-25 13:46:13 EST (13d 9h10m ago) 2025-01-25 10:46:13 PST local time at Tiburon, United States [?]
Course:	307° – heading 511°
Speed:	8 MPH
Last path:	WDP4334>ais via SUNSET
Positions stored:	151

callsign		distance	last heard - EST		callsign		distance	last heard - EST
CARINA		0.6 miles 198°	2025-02-07 21:13:35		STEADFAST		0.8 miles 276°	2025-01-11 14:15:15
366969480		1.0 miles 359°	2025-01-31 09:32:57		367389840		1.0 miles 215°	2025-01-27 19:01:21
AURORA		1.1 miles 252°	2025-02-07 19:50:45		BEARCAT		1.2 miles 184°	2025-02-07 19:49:06
Z FOUR		1.2 miles 172°	2025-02-07 22:15:51		LASSEN		1.2 miles 199°	2025-02-07 02:29:01
PISCES		1.3 miles 200°	2025-02-07 22:11:46		SAN FRANCISCO		1.3 miles 203°	2025-02-06 14:02:11
LYRA		1.4 miles 201°	2025-02-07 22:55:55		DEL NORTE		1.4 miles 215°	2025-02-03 15:00:14
BAY MONARCH		1.6 miles 210°	2025-01-31 11:45:37		338412656		1.6 miles 187°	2025-02-07 17:07:36
FALCON		1.6 miles 219°	2025-02-07 17:53:54		SAKURA HARMONY		1.6 miles 229°	2025-01-31 07:58:02
SV MOON DANCE		1.7 miles 78°	2025-01-21 14:52:05		RISING SUN		1.7 miles 228°	2025-02-05 09:35:25
367085940		1.7 miles 205°	2025-01-26 15:53:38		CARINA		1.8 miles 214°	2025-01-26 18:15:18

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.