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 KJ4UJW-3 - show graphs
Location: 28°17.80' N 81°36.58' W - locator EL98EH61UE - show map
3.2 miles Southeast bearing 142° from Citrus Ridge, Polk County, Florida, United States [?]
3.4 miles Southeast bearing 137° from Four Corners, Lake County, Florida, United States
57.0 miles Northeast bearing 65° from Tampa, Hillsborough County, Florida, United States
74.6 miles Northeast bearing 61° from Saint Petersburg, Pinellas County, Florida, United States
Last position: 2025-01-30 16:30:30 EST (1d 11h36m ago)
2025-01-30 16:30:30 EST local time at Citrus Ridge, United States [?]
Course: 114°
Speed: 1 MPH
Last telemetry: 2025-01-30 16:37:08 EST (1d 11h29m ago) – show telemetry
Temp: 75.200 deg.F, RH: 41 Pct, Bat1: 13.650 V, Bat2: 0 V, Spr: 0 X
 Chrg     X2     X3     X4     X5     X6     X7     X8 
Last path: KJ4UJW-3>WIDE1-1 via WIDE2-1,qAR,WC4PEM-15 (good)
Positions stored: 9109
Packet rate: 83 seconds between packets on average during 829 seconds.
Other SSIDs: KJ4UJW-2
Stations near current position of KJ4UJW-3 - show more
callsign distance last heard - EST      callsign distance last heard - EST
N0SPB-51.5 miles 266°2025-01-03 08:56:07 EW29103.2 miles 277°2025-02-01 04:01:03
DW51673.3 miles 216°2025-02-01 04:05:56 VE3OLC-Z3.8 miles 135°2025-01-02 08:53:52
WC4PEM-144.0 miles 223°2025-02-01 04:06:17 444.625_D4.0 miles 223°2025-02-01 03:59:14
PU4CAC4.0 miles 345°2025-01-12 13:57:57 K4COP4.2 miles 71°2025-01-31 22:20:09
KK4CAB B5.9 miles 322°2025-01-02 12:34:19 KK4CAB-B5.9 miles 322°2025-01-02 12:34:29
KK4CAB-N5.9 miles 322°2025-01-02 12:34:09 KN4PIJ-96.5 miles 145°2025-01-11 14:27:03
KN4PIJ-36.8 miles 142°2025-01-10 20:51:11 GW03027.1 miles 334°2025-02-01 04:05:00
N4BFT-97.3 miles 46°2025-01-30 14:52:50 KF4WSW-97.9 miles 8°2025-01-30 18:40:20
KJ4FGI8.0 miles 181°2025-02-01 04:00:36 WD4WDW B8.0 miles 45°2025-01-21 10:27:41
WD4WDW-B8.0 miles 45°2025-01-21 10:27:51 VE3XFD-99.3 miles 87°2025-01-31 15:43:25
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