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 KO4CTF-4 - show graphs
Comment: aprs.fi for iOS
Location: 38°02.97' N 79°12.79' W - locator FM08JB41KV - show map
8.7 miles Southwest bearing 241° from Jolivue, Augusta County, Virginia, United States [?]
9.9 miles West bearing 278° from Stuarts Draft, Augusta County, Virginia, United States
44.1 miles North bearing 355° from Lynchburg, City of Lynchburg, Virginia, United States
66.9 miles Northeast bearing 36° from Roanoke, City of Roanoke, Virginia, United States
Last position: 2023-10-22 09:57:00 EDT (208d 16h50m ago)
2023-10-22 09:57:00 EDT local time at Jolivue, United States [?]
Altitude: 1860 ft
Speed: 0 MPH
Last path: KO4CTF-4>aprs.fi via aprsfi-iOS
Positions stored: 2
Other SSIDs: KO4CTF-10 KO4CTF-5 KO4CTF KO4CTF-11
Stations near current position of KO4CTF-4 - show more
callsign distance last heard - EDT      callsign distance last heard - EDT
K4JBH3.0 miles 331°2024-05-03 12:21:51 FW19215.4 miles 202°2024-05-18 02:45:25
KQ4DBG-96.3 miles 187°2024-05-04 16:11:14 KD4UPL-96.5 miles 322°2024-05-17 17:21:43
KQ4GWY-77.6 miles 191°2024-05-04 15:55:40 KF4EMZ-117.6 miles 192°2024-05-09 13:13:28
NetContro7.6 miles 193°2024-05-04 11:42:06 KN4YFI-97.9 miles 187°2024-05-04 16:20:50
KQ4DBG-107.9 miles 216°2024-05-04 12:19:40 KM4SWZ-18.5 miles 60°2024-04-26 00:29:08
KM4SWZ-78.8 miles 53°2024-05-01 20:50:13 K4UEK-79.4 miles 45°2024-04-28 15:25:01
GW13649.5 miles 181°2024-05-18 02:47:20 EW90469.6 miles 12°2024-05-18 02:45:03
K4UEK-99.6 miles 93°2024-05-14 10:02:07 W4IHQ-109.7 miles 40°2024-05-07 11:41:58
K4EME-39.7 miles 326°2024-05-18 02:43:59 N4RLI9.8 miles 44°2024-05-18 02:35:09
W4IHQ-510.2 miles 40°2024-04-29 18:50:32 W4IHQ-710.2 miles 40°2024-04-29 19:20:06
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