Location:	37°37.57' N 122°27.11' W - locator CM87SP50SG - show map 5.0 km Southwest bearing 231° from South San Francisco, San Mateo County, California, United States [?] 7.6 km Southwest bearing 217° from Brisbane, San Mateo County, California, United States 16.8 km South bearing 190° from San Francisco, San Francisco County, California, United States 58.5 km Northwest bearing 303° from San Jose, Santa Clara County, California, United States
Last position:	2025-04-30 17:47:52 UTC (10d 1h28m ago) 2025-04-30 10:47:52 PDT local time at South San Francisco, United States [?]
Last path:	N6MSY>API52 via DSTAR*,qAR,WW6BAY-B
Positions stored:	124

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.