Location:	42°07.78' N 87°57.70' W - lokaator EN62AD41OC - show map 2.4 km Lõunasse peiling 184° from Buffalo Grove, Cook County, Illinois, United States [?] 4.8 km Põhja peiling 19° from Arlington Heights, Cook County, Illinois, United States 40.3 km Loodesse peiling 320° from Chicago, Cook County, Illinois, United States 101.1 km Lõunasse peiling 183° from Milwaukee, Milwaukee County, Wisconsin, United States
Last position:	2025-09-09 18:50:03 UTC (12h19m ago) 2025-09-09 13:50:03 CDT local time at Buffalo Grove, United States [?]
Device:	Icom: IC-5100 (D-Star)
Last path:	WD9JEN>API510 via TCPIP*,qAC,T2LAUSITZ
Positions stored:	387
Other SSIDs:	WD9JEN-C

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.