Comment:	aprs.fi iOS
Location:	39°00.00' N 77°30.00' W - ตำแหน่ง FM19GA00AA - show map 5.0 km ใต้ bearing 193° มาจาก Ashburn, Loudoun County, Virginia, United States [?] 8.0 km ตะวันตกเฉียงใต้ bearing 217° มาจาก University Center, Loudoun County, Virginia, United States 41.7 km ตะวันตก bearing 286° มาจาก Washington, D. C., Washington, D.C., United States 83.0 km ตะวันตกเฉียงใต้ bearing 247° มาจาก Baltimore, City of Baltimore, Maryland, United States
Last position:	2025-07-19 21:38:49 UTC (145d 20h50m ago) 2025-07-19 17:38:49 EDT เวลาท้องถิ่น Ashburn, United States [?]
Altitude:	83 m
Position ambiguous:	Precision reduced at transmitter by 3 digits, position resolution approximately 18.5 km.
ความเร็ว:	0 km/h
Last path:	W4JDC-1>aprs.fi via aprsfi-iOS
Positions stored:	1
Other SSIDs:	W4JDC-3 W4JDC-D W4JDC-10 W4JDC-N W4JDC-B

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.