Location:	39°18.75' N 77°22.50' W - locator FM19HH55AA - show map 2.5 km Southwest bearing 234° from Urbana, Frederick County, Maryland, United States [?] 6.7 km West bearing 273° from Green Valley, Frederick County, Maryland, United States 54.8 km Northwest bearing 328° from Washington, D. C., Washington, D.C., United States 65.6 km West bearing 272° from Baltimore, City of Baltimore, Maryland, United States
Last position:	2025-05-07 00:38:01 UTC (4d 21h40m ago) 2025-05-06 20:38:01 EDT local time at Urbana, United States [?]
Altitude:	146 m
Device:	SharkRF: openSPOT4 (gadget)
Last path:	AC3JM-10>APOSB4 via TCPIP*,qAS,AC3JM
Positions stored:	2
Other SSIDs:	AC3JM-9 AC3JM-12 AC3JM-1 AC3JM-7

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.