Mic-E message:	In service
Location:	38°44.47' N 77°28.27' W - locator FM18GR37LV - show map 6.4 km Southeast bearing 138° from Bull Run, Prince William County, Virginia, United States [?] 9.2 km East bearing 103° from Linton Hall, Prince William County, Virginia, United States 41.3 km Southwest bearing 246° from Washington, D. C., Washington, D.C., United States 96.0 km Southwest bearing 231° from Baltimore, City of Baltimore, Maryland, United States
Last position:	2025-04-10 20:23:59 UTC (31d 11h20m ago) 2025-04-10 16:23:59 EDT local time at Bull Run, United States [?]
Course:	0°
Speed:	0 km/h
Device:	Yaesu: FTM-300D (rig)
Last path:	W4PWC-2>S8TT4W via WIDE1-1,qAR,KS4E-5
Positions stored:	1
Other SSIDs:	W4PWC-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.