Location:	37°33.29' N 122°16.24' W - locator CM87UN73MD - show map 4.9 km East bearing 101° from San Mateo, San Mateo County, California, United States [?] 9.0 km East bearing 111° from Burlingame, San Mateo County, California, United States 27.7 km Southeast bearing 152° from San Francisco, San Francisco County, California, United States 40.9 km Northwest bearing 306° from San Jose, Santa Clara County, California, United States
Last position:	2026-01-27 19:04:28 UTC (5d 2h10m ago) 2026-01-27 11:04:28 PST local time at San Mateo, United States [?]
Altitude:	0 m
Device:	SharkRF: openSPOT4 (gadget)
Last path:	K6EF>APOSB4 via TCPIP*,qAC,T2SYDNEY
Positions stored:	815
Other SSIDs:	K6EF-5 K6EF-10 K6EF-1 K6EF-4 K6EF-7 K6EF-N K6EF-9 K6EF-B K6EF-4 K6EF-2 K6EF-D K6EF-14 K6EF-R K6EF-15
Last heard a station directly:	2026-01-28 20:38:02 UTC (4d 37m ago)
Normal receiver range estimate:	140 km (Updated: 2025-09-27 23:45:44 UTC)

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.