Comment:	https://aprsdroid.org/
Location:	38°44.43' N 77°29.13' W - ตำแหน่ง FM18GR17RR - show map 5.7 km ตะวันออกเฉียงใต้ bearing 148° มาจาก Bull Run, Prince William County, Virginia, United States [?] 8.0 km ตะวันออก bearing 105° มาจาก Linton Hall, Prince William County, Virginia, United States 42.5 km ตะวันตกเฉียงใต้ bearing 246° มาจาก Washington, D. C., Washington, D.C., United States 97.0 km ตะวันตกเฉียงใต้ bearing 231° มาจาก Baltimore, City of Baltimore, Maryland, United States
Last position:	2025-04-29 21:01:35 UTC (54d 11h32m ago) 2025-04-29 17:01:35 EDT เวลาท้องถิ่น Bull Run, United States [?]
Altitude:	66 m
Device:	Open Source: APRSdroid (app, Android)
Last path:	K4RBW-5>APDR16 via TCPIP*,qAC,T2SWEDEN
Positions stored:	14455

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.