Leitað að kallmerki:	W3SMD
Innslag:	223.900MHz T186 R25m BarstowMD W3SMD
Staðsetning:	38°29.59' N 76°34.68' W - WW Loc. FM18RL08PI - sýna kort 5.3 km Suður Stefna 174° Frá Prince Frederick, Calvert County, Maryland, United States [?] 9.1 km Austur Stefna 88° Frá Golden Beach, Saint Mary's County, Maryland, United States 59.8 km Suð-austur Stefna 138° Frá Washington, D. C., Washington, D.C., United States 88.6 km Suður Stefna 178° Frá Baltimore, City of Baltimore, Maryland, United States
Síðasta staðsetning:	2025-04-28 21:44:04 UTC (33s fyrir) 2025-04-28 17:44:04 EDT Að staðartíma Prince Frederick, United States [?]
Síðasti slóði:	W3SMD>BEACON via qAR,W4NRG
Geymdar stöður:	4
Others sourced by W3SMD:	145.230MD 145.390MD 146.640MD 146.850MD 146.895VA 147.150MD 147.195MD 147.390MD 223.90MD 441.387MD 441.637MD 441.787MD 443.050MD 443.300MD 443.600MD 443.700MD 447.075MD

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.