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 BD4UJ-4 - show graphs
Map loading...
Comment: 业余无线电
Location: 32°04.10' N 121°04.53' E - locator PM02MB96BJ - show map - static map
1.5 miles South bearing 176° from Jinsha, Jiangsu Sheng, China [?]
3.5 miles North bearing 12° from Youzha, Jiangsu Sheng, China
59.8 miles Northeast bearing 28° from Suzhou, Jiangsu Sheng, China
62.6 miles North bearing 339° from Shanghai, Shanghai Shi, China
Last position: 2017-12-06 10:56:11 EST (346d 5h5m ago)
2017-12-06 23:56:11 CST local time at Jinsha, China [?]
Altitude: 161 ft
Course: 42°
Speed: 6 MPH
Device: Open Source: APRSdroid (app, Android)
Last path: BD4UJ-4>APDR13 via TCPIP*,qAC,T2EHIME
Positions stored: 6686
Other SSIDs: BD4UJ-10 BD4UJ-2 BD4UJ-5 BD4UJ-7 BD4UJ-8 BD4UJ-9
Stations near current position of BD4UJ-4 - show more
callsign distance last heard - EST      callsign distance last heard - EST
BI4VTX-31.1 miles 93°2018-11-17 15:44:12 BD4RVC-94.1 miles 237°2018-11-03 11:02:11
BD4UJ-99.4 miles 256°2018-11-11 08:25:48 BG4USS-510.1 miles 249°2018-11-17 11:23:51
BH4WKZ-510.1 miles 17°2018-10-31 13:33:14 PS-BH4WKZ10.5 miles 257°2018-11-17 15:01:46
BD4RHR-510.8 miles 18°2018-11-02 02:20:01 BG4USS-711.0 miles 254°2018-11-17 12:33:17
BD4RGM-211.7 miles 233°2018-11-17 15:55:59 BG4UQX-511.7 miles 253°2018-10-19 07:40:06
BH4WKZ-1011.7 miles 233°2018-10-28 02:03:39 BG4UQX-1011.7 miles 254°2018-11-17 15:53:32
BH4WKZ-711.8 miles 233°2018-11-17 10:37:19 BH4UTT-1011.8 miles 256°2018-11-17 15:54:57
BI4XFO-1012.0 miles 253°2018-11-17 15:57:58 BH4UTT-1312.0 miles 256°2018-11-17 15:55:00
BG4URH-512.0 miles 256°2018-11-12 06:33:24 BG4UQX-1312.0 miles 256°2018-11-17 15:53:36
BI4XGA-512.4 miles 253°2018-11-04 20:15:26 BG4UVR-1312.4 miles 170°2018-11-17 02:29:23
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.
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