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 W4ELU-9 - show graphs
Comment: 146.520MHz monitoring 146.5200
Mic-E message: Off duty
Location: 38°48.89' N 77°12.76' W - locator FM18JT45LN - show map
3.7 miles Southeast bearing 137° from Mantua, Fairfax County, Virginia, United States [?]
6.6 miles Southeast bearing 134° from Oakton, Fairfax County, Virginia, United States
11.0 miles Southwest bearing 240° from Washington, D. C., Washington, D.C., United States
46.0 miles Southwest bearing 225° from Baltimore, City of Baltimore, Maryland, United States
Last position: 2024-12-26 19:57:55 EST (36d 6h35m ago)
2024-12-26 19:57:55 EST local time at Mantua, United States [?]
Altitude: 325 ft
Course: 338°
Speed: 14 MPH
Device: Yaesu: FTM-500D (rig)
Last path: W4ELU-9>SXTX8Y via WIDE1-1,WIDE2-1,qAO,KD4REE-10 (good)
Positions stored: 507
Stations near current position of W4ELU-9 - show more
callsign distance last heard - EST      callsign distance last heard - EST
KB3UHX0.6 miles 242°2025-01-26 11:57:47 KD4REE-101.7 miles 110°2025-02-01 02:07:20
GW24132.3 miles 138°2025-02-01 02:30:06 W3ICK-52.3 miles 350°2025-01-03 15:37:13
KD4MM-92.5 miles 192°2025-01-31 13:40:03 N4FKH-72.7 miles 71°2025-01-16 17:48:36
EW02372.7 miles 240°2025-02-01 02:24:04 K7BC-102.8 miles 175°2025-02-01 02:08:04
N4TVC-72.8 miles 235°2025-02-01 02:31:47 N4TVC-122.8 miles 235°2025-02-01 02:29:25
KB3MHL-92.9 miles 78°2025-01-31 14:28:35 KN4JIE-92.9 miles 301°2025-01-07 17:20:09
KS4E-53.0 miles 233°2025-02-01 02:18:58 KS4E3.0 miles 233°2025-01-19 18:31:37
4PKS4E-53.0 miles 233°2025-01-29 09:48:58 KC3WDO-113.0 miles 4°2025-02-01 02:14:03
K4TEZ-73.8 miles 242°2025-01-25 10:54:24 K7BC3.9 miles 206°2025-02-01 02:33:01
K7BC-63.9 miles 206°2025-02-01 02:28:04 LWXSQW01P3.9 miles 85°2025-01-03 15:45:40
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