Location:	39°02.85' N 77°10.65' W - ตำแหน่ง FM19JB81QJ - show map 4.2 km ตะวันออกเฉียงเหนือ bearing 39° มาจาก Potomac, Montgomery County, Maryland, United States [?] 11.0 km ตะวันออกเฉียงเหนือ bearing 60° มาจาก Great Falls, Fairfax County, Virginia, United States 20.9 km ตะวันตกเฉียงเหนือ bearing 324° มาจาก Washington, D. C., Washington, D.C., United States 55.7 km ตะวันตกเฉียงใต้ bearing 241° มาจาก Baltimore, City of Baltimore, Maryland, United States
Last position:	2025-06-24 19:00:21 UTC (12m56s ago) 2025-06-24 15:00:21 EDT เวลาท้องถิ่น Potomac, United States [?]
ข้อมูลอากาศ (WX) ล่าสุด:	2025-06-24 19:00:21 UTC (12m56s ago) – show weather charts 36.1 °C 54% 1020.9 mbar 0.4 m/s เหนือ
Device:	Unknown: Unknown
Last path:	FW5872>APRS via TCPXX*,qAX,CWOP-4
Positions stored:	1

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.