Location:	37°31.95' N 122°16.10' W - locator CM87UM77TT - show map 6.0 km Northwest bearing 332° from Redwood City, San Mateo County, California, United States [?] 7.5 km North bearing 360° from Emerald Lake Hills, San Mateo County, California, United States 30.0 km Southeast bearing 154° from San Francisco, San Francisco County, California, United States 39.3 km Northwest bearing 303° from San Jose, Santa Clara County, California, United States
Last position:	2026-01-17 14:53:16 UTC (22m35s ago) 2026-01-17 06:53:16 PST local time at Redwood City, United States [?]
Last WX report:	2026-01-17 14:53:16 UTC (22m35s ago) – show weather charts 5.6 °C 91% 1020.0 mbar 0.0 m/s West
Last path:	W6CDO>APN000 via TCPXX*,qAX,CWOP-3
Positions stored:	2
Other SSIDs:	W6CDO-3 W6CDO-9 W6CDO-4 w6cdo-i

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.