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 7N4XSL-A - show graphs
Location: 35°28.18' N 140°01.59' E - locator QM05AL32ER - show map
7.3 km Southwest bearing 225° from Ichihara, Chiba, Japan [?]
14.1 km Northeast bearing 42° from Kisarazu, Chiba, Japan
34.8 km East bearing 86° from Yokohama-shi, Kanagawa, Japan
38.9 km Southeast bearing 129° from Tokyo, Tōkyō, Japan
Last position: 2025-04-12 11:04:29 UTC (8d 14h58m ago)
2025-04-12 20:04:29 JST local time at Ichihara, Japan [?]
Speed: 52 km/h
Device: Icom: IC-5100 (D-Star)
Last path: 7N4XSL-A>API510 via DSTAR*,qAS,JP1YEM-IS (good)
Positions stored: 35
Other SSIDs: 7N4XSL-B 7N4XSL-1 7N4XSL-2
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