Comment:	aprs.fi iOS
Location:	37°30.60' N 122°16.21' W - locator CM87UM72NJ - show map 3.1 km Southwest bearing 219° from Redwood Shores, San Mateo County, California, United States [?] 5.4 km South bearing 179° from Foster City, San Mateo County, California, United States 32.2 km Southeast bearing 156° from San Francisco, San Francisco County, California, United States 38.2 km Northwest bearing 300° from San Jose, Santa Clara County, California, United States
Last position:	2025-12-11 04:38:32 UTC (13h9m ago) 2025-12-10 20:38:32 PST local time at Redwood Shores, United States [?]
Altitude:	42 m
Speed:	-4 km/h
Last path:	W6CBS-5>aprs.fi via aprsfi-iOS
Positions stored:	7643
Other SSIDs:	W6CBS-7

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.