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 JA0SIO-9 - show graphs
Mic-E message: Off duty
Location: 36°28.35' N 138°09.69' E - locator PM96BL93JJ - show map
12.4 km Northwest bearing 311° from Ueda, Nagano, Japan [?]
19.7 km Northwest bearing 332° from Maruko, Nagano, Japan
138.3 km Northwest bearing 311° from Hachiōji, Tōkyō, Japan
148.1 km Northwest bearing 314° from Sagamihara, Kanagawa, Japan
Last position: 2025-08-31 05:45:11 UTC (16d 5h26m ago)
2025-08-31 14:45:11 JST local time at Ueda, Japan [?]
Altitude: 388 m
Course: 310°
Speed: 44 km/h
Device: Yaesu: FTM-400DR (rig)
Last path: JA0SIO-9>SVRXS5 via JQ1ZBE-2*,qAR,JQ1YXN-10 (good)
Positions stored: 101147
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