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 KO4FIN-P - show graphs
Comment: 70cm Voice (D-Star) 438.80000MHz +0.0000MHz
Location: 39°03.00' N 77°22.74' W - locator FM19HB42MA - show map
0.9 miles North bearing 347° from Sugarland Run, Loudoun County, Virginia, United States [?]
1.6 miles Southwest bearing 245° from Lowes Island, Loudoun County, Virginia, United States
21.3 miles Northwest bearing 300° from Washington, D. C., Washington, D.C., United States
44.3 miles West bearing 248° from Baltimore, City of Baltimore, Maryland, United States
Last position: 2025-01-20 11:24:14 EST (12d 8h50m ago)
2025-01-20 11:24:14 EST local time at Sugarland Run, United States [?]
Altitude: 10 ft
Device: Jonathan, G4KLX: ircDDB Gateway (D-Star)
Last path: KO4FIN-P>APDG02 via TCPIP*,qAC,KO4FIN-PS
Positions stored: 1
Other SSIDs: KO4FIN-7 KO4FIN-i
Stations near current position of KO4FIN-P - show more
callsign distance last heard - EST      callsign distance last heard - EST
KO4FIN P0.0 yards 0°2025-01-20 11:24:04 W4TTU-100.5 miles 150°2025-02-01 20:08:30
N3QT-91.3 miles 138°2025-01-26 22:35:06 F150VA2.0 miles 189°2025-01-03 15:21:23
EW47572.2 miles 253°2025-02-01 20:10:36 KD2FKI2.3 miles 196°2025-02-01 20:10:27
FW22693.3 miles 162°2025-02-01 20:00:47 KN4BQX-13.4 miles 179°2025-01-25 13:55:33
KN4BQX-D3.5 miles 181°2025-01-18 16:24:37 KS1G-153.6 miles 185°2025-01-06 19:34:29
KK4VXR-D3.6 miles 188°2025-02-01 20:13:17 GW15553.9 miles 131°2025-02-01 20:06:04
DW38394.4 miles 126°2025-02-01 20:11:14 CW66684.7 miles 56°2025-02-01 12:00:25
DW46994.8 miles 161°2025-02-01 20:13:31 KB9LEB-95.3 miles 210°2025-01-17 21:19:43
KB8MIS-15.3 miles 164°2025-01-16 01:18:18 K4KRS-N5.5 miles 263°2025-02-01 19:41:00
GW36955.5 miles 171°2025-02-01 20:12:35 GW20125.6 miles 194°2025-02-01 20:10:52
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