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 BI4SZX-7 - show graphs
Comment: Hello CQ This is BI4SZX
Mic-E message: Off duty
Location: 31°57.99' N 118°50.86' E - locator OM91KX11RX - show map
6.9 km Southeast bearing 136° from Qinhong, Jiangsu Sheng, China [?]
9.0 km Southeast bearing 147° from Wulaocun, Jiangsu Sheng, China
12.5 km Southeast bearing 148° from Nanjing, Jiangsu Sheng, China
107.5 km West bearing 281° from Changzhou, Jiangsu Sheng, China
Last position: 2025-06-15 10:10:25 UTC (29d 17h ago)
2025-06-15 18:10:25 CST local time at Qinhong, China [?]
Altitude: 66 m
Course: 141°
Speed: 0 km/h
Device: Yaesu: FT5D (ht)
Last path: BI4SZX-7>SQUWY9 via BD4UTL-1*,WIDE1,WIDE2-1,qAO,BD4UTL (good)
Positions stored: 1140
Other SSIDs: BI4SZX-5 BI4SZX
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