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 BY4SZ-6 - show graphs
Comment: JYRSA AP^S Digi 144.640 13.5VÁ+2åd 0Dã<ñ
Location: 31°54.37' N 120°07.36' E - locator PM01BV47RL - show map
2.6 km Northwest bearing 326° from Shengang, Jiangsu Sheng, China [?]
4.6 km Southeast bearing 116° from Ligang, Jiangsu Sheng, China
40.6 km Northwest bearing 337° from Wuxi, Jiangsu Sheng, China
80.5 km Northwest bearing 326° from Suzhou, Jiangsu Sheng, China
Last position: 2025-10-08 08:00:39 UTC (26d 14h27m ago)
2025-10-08 16:00:39 CST local time at Shengang, China [?]
Device: Telemetry devices
Last path: BY4SZ-6>APET51 via BI4VNM-10*,WIDE1*,BG4TJP-10*,WIDE2*,qAR,BD4XUZ-10 (good)
Positions stored: 11
Other SSIDs: BY4SZ-10
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