Source callsign:	DB0OLF-S
Comment:	440 Voice 439.55000MHz -7.6000MHz
Location:	51°41.94' N 7°22.87' E - locator JO31QQ57RS - show map 1.3 km West bearing 265° from Olfen, North Rhine-Westphalia, Germany [?] 3.6 km North bearing 358° from Datteln, North Rhine-Westphalia, Germany 37.4 km Northeast bearing 42° from Essen, North Rhine-Westphalia, Germany 90.2 km North bearing 19° from Köln (Koeln), Regierungsbezirk Köln, North Rhine-Westphalia, Germany
Last position:	2026-02-07 17:17:37 UTC (17m15s ago) 2026-02-07 18:17:37 CET local time at Olfen, Germany [?]
Last path:	DB0OLF-S>APD5T1 via TCPIP*,qAC,DB0OLF-GS
Positions stored:	3

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.