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*
Web station K4HVF-4 - show graphs
Comment: 144.390 Simplex
Location: 33°46.10' N 87°16.20' W - locator EM63IS74OJ - show map
4.4 miles South bearing 174° from Jasper, Walker County, Alabama, United States [?]
5.0 miles West bearing 277° from Cordova, Walker County, Alabama, United States
31.9 miles Northwest bearing 303° from Birmingham, Jefferson County, Alabama, United States
77.0 miles Southwest bearing 211° from Huntsville, Madison County, Alabama, United States
Last position: 2024-05-22 13:08:48 EDT (10h58m ago)
2024-05-22 12:08:48 CDT local time at Jasper, United States [?]
Altitude: 463 ft
Position ambiguous: Precision reduced at transmitter by 1 digits, position resolution approximately 202.5 yards.
Speed: -2 MPH
Last path: K4HVF-4>aprs.fi via aprsfi-iOS
Positions stored: 692
Other SSIDs: K4HVF K4HVF-5
Stations near current position of K4HVF-4 - show more
callsign distance last heard - EDT      callsign distance last heard - EDT
K4HVF-5140.6 yards 73°2024-05-22 15:11:40 K4HVF142.2 yards 0°2024-05-22 18:00:21
KO4NMT-93.3 miles 43°2024-05-11 20:24:22 KO4UFE-93.9 miles 158°2024-05-19 16:00:57
K4TEP-74.8 miles 36°2024-05-21 00:41:49 KO4NMT4.9 miles 41°2024-05-23 00:06:04
CW26406.6 miles 14°2024-05-22 23:51:42 KO4CHB-57.0 miles 34°2024-04-25 22:29:00
K4GTE-107.1 miles 346°2024-05-22 23:45:00 FW478915.2 miles 328°2024-04-28 13:53:17
HUNSVRx1A19.8 miles 19°2024-05-09 09:32:57 BMXSVRO0A21.3 miles 84°2024-05-09 10:17:57
WB4FAY B21.6 miles 126°2024-05-22 23:47:27 WB4FAY-B21.6 miles 126°2024-05-22 23:47:37
N4JDB-N22.3 miles 44°2024-05-22 20:28:04 N4JDB B22.3 miles 44°2024-05-22 23:52:53
N4JDB-B22.3 miles 44°2024-05-22 23:53:03 AJ4LH-N25.4 miles 86°2024-05-06 12:58:07
N4XWC25.4 miles 74°2024-05-23 00:04:01 ZL1CLH-725.5 miles 71°2024-05-11 17:08:28
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