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 KC4RFO-9 - show graphs
Mic-E message: En route
Location: 39°02.48' N 78°09.14' W - locator FM09WA19RW - show map
4.6 miles Southeast bearing 130° from Stephens City, Frederick County, Virginia, United States [?]
5.8 miles Northwest bearing 315° from Shenandoah Farms, Warren County, Virginia, United States
57.3 miles West bearing 281° from Arlington, Arlington County, Virginia, United States
60.8 miles West bearing 280° from Washington, D. C., Washington, D.C., United States
Last position: 2024-04-07 14:04:43 EDT (34d 22h2m ago)
2024-04-07 14:04:43 EDT local time at Stephens City, United States [?]
Altitude: 666 ft
Course: 359°
Speed: 24 MPH
Device: Yaesu: FTM-500D (rig)
Last path: KC4RFO-9>SY0R4X via K4MRA-4,WIDE1,N3KTX-4,WIDE2*,qAR,W4VA-13 (good)
Positions stored: 30
Stations near current position of KC4RFO-9 - show more
callsign distance last heard - EDT      callsign distance last heard - EDT
EW54490.4 miles 8°2024-05-12 12:00:31 WA1JQC-i0.5 miles 14°2024-05-07 15:44:32
FW90330.7 miles 12°2024-05-12 12:05:24 WA1JQC-91.5 miles 19°2024-05-10 13:46:56
W4VIG-53.6 miles 305°2024-05-04 12:20:54 W4VIG-14.0 miles 302°2024-05-04 13:20:05
W4VIG-24.2 miles 302°2024-04-16 20:09:01 CW15004.3 miles 340°2024-05-12 12:02:25
FW89196.0 miles 299°2024-05-12 11:59:05 KI4SUR-86.5 miles 262°2024-04-19 13:56:06
EW76646.5 miles 123°2024-05-12 12:05:11 KI4SUR-16.8 miles 263°2024-05-12 11:11:43
EW95427.2 miles 242°2024-05-12 12:00:19 KQ4NUA-107.4 miles 349°2024-04-20 12:56:02
N4QLM-107.5 miles 204°2024-05-12 11:58:03 W4RKC-107.6 miles 337°2024-05-12 11:12:11
W8GBR-D8.1 miles 349°2024-05-12 12:01:31 KQ4NUA-58.2 miles 192°2024-04-22 21:02:23
KW4WZ-18.6 miles 323°2024-05-11 21:25:45 KC4YLX B8.7 miles 109°2024-04-26 08:14:07
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