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 WC4J-9 - show graphs
Mic-E message: In service
Location: 39°06.83' N 77°32.10' W - locator FM19FC57TH - show map
1.5 miles East bearing 95° from Leesburg, Loudoun County, Virginia, United States [?]
6.7 miles West bearing 251° from Poolesville, Montgomery County, Maryland, United States
30.7 miles Northwest bearing 300° from Washington, D. C., Washington, D.C., United States
50.9 miles West bearing 256° from Baltimore, City of Baltimore, Maryland, United States
Last position: 2024-05-31 13:30:06 EDT (212d 22h29m ago)
2024-05-31 13:30:06 EDT local time at Leesburg, United States [?]
Altitude: 358 ft
Course: 26°
Speed: 8 MPH
Device: Kenwood: TH-D74 (ht)
Last path: WC4J-9>S9PV8S via KE4FYL-1,KV3B-1,WIDE2*,qAR,W4VA-13 (good)
Positions stored: 12
Other SSIDs: WC4J WC4J-14 WC4J-8 WC4J-7
Stations near current position of WC4J-9 - show more
callsign distance last heard - EST      callsign distance last heard - EST
KB2RMK-70.8 miles 2°2024-12-01 10:56:58 AK2M-90.8 miles 212°2024-12-08 12:12:29
KM4EGM1.1 miles 320°2024-12-30 10:54:46 FW73741.3 miles 133°2024-12-30 10:33:28
K3IKO-Y1.3 miles 143°2024-12-14 09:15:53 K3IKO-N1.8 miles 161°2024-12-24 11:44:31
K4BCN-92.4 miles 279°2024-12-16 16:30:08 KE4FYL-12.5 miles 274°2024-12-30 10:57:24
DW92093.0 miles 282°2024-12-30 10:45:31 KQ4JAV3.8 miles 156°2024-12-22 15:46:55
N4RAF-104.2 miles 356°2024-12-30 10:01:54 K7KHA B4.9 miles 149°2024-12-30 10:53:33
K7KHA-B4.9 miles 149°2024-12-30 10:53:43 KK4DLV-75.0 miles 148°2024-12-26 21:38:14
KK4DLV-25.0 miles 148°2024-12-11 19:29:29 FW40365.5 miles 259°2024-12-29 11:40:33
K4KBK5.6 miles 144°2024-11-30 19:07:40 K3XIT5.7 miles 90°2024-12-25 12:49:31
K4KRS-N5.9 miles 150°2024-12-30 10:40:39 X2VQZ-76.0 miles 174°2024-12-07 04:04:28
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