Comment:	OpenSPOT4 878uv Ht
Location:	38°50.46' N 76°22.32' W - ตำแหน่ง FM18TU51IU - show map 12.1 km ตะวันออก bearing 90° มาจาก Shady Side, Anne Arundel County, Maryland, United States [?] 13.2 km ตะวันออกเฉียงใต้ bearing 113° มาจาก Mayo, Anne Arundel County, Maryland, United States 54.1 km ตะวันออกเฉียงใต้ bearing 157° มาจาก Baltimore, City of Baltimore, Maryland, United States 57.8 km ตะวันออก bearing 96° มาจาก Washington, D. C., Washington, D.C., United States
Last position:	2025-07-05 10:54:40 UTC (157d 3h40m ago) 2025-07-05 06:54:40 EDT เวลาท้องถิ่น Shady Side, United States [?]
Altitude:	4 m
Device:	SharkRF: openSPOT4 (gadget)
Last path:	N3DM>APOSB4 via TCPIP*,qAC,T2SPAIN
Positions stored:	5089

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.