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 JI4FRV-5 - show graphs
Comment: JL3403 HIJ-CTS
Location: 42°57.53' N 141°43.82' E - locator QN02UX70PC - show map
13.4 km East bearing 98° from Kitahiroshima, Hokkaidō, Japan [?]
16.7 km North bearing 22° from Chitose, Hokkaidō, Japan
33.3 km East bearing 110° from Sapporo-shi, Hokkaidō, Japan
103.7 km Southwest bearing 210° from Asahikawa, Hokkaidō, Japan
Last position: 2025-07-05 04:03:43 UTC (11d 8h49m ago)
2025-07-05 13:03:43 JST local time at Kitahiroshima, Japan [?]
Altitude: 987 m
Course: 239°
Speed: 332 km/h
Device: Open Source: APRSdroid (app, Android)
Last path: JI4FRV-5>APDR16 via TCPIP*,qAC,T2POLC
Positions stored: 3733
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