Location:	40°37.14' N 3°43.28' W - locator IN80DO38KN - show map 2.3 km Northwest bearing 331° from Tres Cantos, Provincia de Madrid, Madrid, Spain [?] 5.9 km Southeast bearing 139° from Colmenar Viejo, Provincia de Madrid, Madrid, Spain 22.6 km North bearing 356° from Madrid, Provincia de Madrid, Madrid, Spain 142.5 km Southeast bearing 144° from Valladolid, Provincia de Valladolid, Castille and León, Spain
Last position:	2025-04-17 16:17:21 UTC (14d 9h13m ago) 2025-04-17 18:17:21 CEST local time at Tres Cantos, Spain [?]
Altitude:	770 m
Course:	100°
Speed:	28 km/h
Device:	Open Source: APRSdroid (app, Android)
Last path:	EA4IIB-1>APDR16 via WIDE1-1,qAR,EA4IIB
Positions stored:	15
Other SSIDs:	EA4IIB-5 EA4IIB-10

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.