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 BA4QFJ - show graphs
Comment: B9/BA4QFJ
Location: 31°19.35' N 121°02.24' E - locator PM01MH47LJ - show map
939.4 m Northwest bearing 321° from Lujia, Jiangsu Sheng, China [?]
5.1 km Northwest bearing 297° from Huaqiao, Jiangsu Sheng, China
41.5 km West bearing 286° from Shanghai, Shanghai Shi, China
141.6 km Northeast bearing 36° from Hangzhou, Zhejiang Sheng, China
Last position: 2025-07-20 02:28:47 UTC (4d 2m ago)
2025-07-20 10:28:47 CST local time at Lujia, China [?]
Course:
Speed: 4 km/h
Last path: BA4QFJ>APN000 via TCPIP*,qAC,T2CS
Positions stored: 4629
Other SSIDs: BA4QFJ-10 BA4QFJ-7 BA4QFJ-1
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