Station info - map view · info · telemetry · weather · raw · status · beacons · messages · bulletins · browse · moving · my account
Callsign, ship name or locator: Clear       
It is possible to search using wildcards (*?) after a prefix. Example: OH*
APRS station KD4VA-9 - show graphs
Comment: 448.225MHz C077 -500
Mic-E message: Off duty
Location: 38°52.06' N 77°36.83' W - locator FM18EU68IF - show map
5.8 km Southeast bearing 134° from Bull Run Mountain Estates, Prince William County, Virginia, United States [?]
6.5 km North bearing 18° from Haymarket, Prince William County, Virginia, United States
50.0 km West bearing 267° from Washington, D. C., Washington, D.C., United States
98.3 km Southwest bearing 242° from Baltimore, City of Baltimore, Maryland, United States
Last position: 2024-03-30 18:52:05 UTC (316d 13h25m ago)
2024-03-30 14:52:05 EDT local time at Bull Run Mountain Estates, United States [?]
Altitude: 130 m
Course: 99°
Speed: 24 km/h
Device: Kenwood: TM-D710 (rig)
Last path: KD4VA-9>SXUR0V via KN4IJF-2*,WIDE1*,WIDE2-1,qAR,WC4J (good)
Positions stored: 12534
Other SSIDs: KD4VA
About this site
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.
User guide · FAQ · Blog · Discussion group · Linking to aprs.fi · AIS sites · Service status · Database statistics · Advertising on aprs.fi · Technical details · API · Change log · Planned changes · Credits and thanks · Terms Of Service · iPhone/iPad APRS