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 JI1UDM - show graphs
Map loading...
Location: 35°39.25' N 139°39.89' E - locator PM95TP97SA - show map - static map
2.9 miles Southwest bearing 212° from Tokyo, Tōkyō, Japan [?]
4.8 miles Northwest bearing 310° from Shinagawa-ku, Japan
14.3 miles North bearing 5° from Yokohama-shi, Kanagawa, Japan
Last position: 2018-11-23 06:55:45 EST (24d 59m ago)
2018-11-23 20:55:45 JST local time at Tokyo, Japan [?]
Device: Icom: unknown (D-Star)
Last path: JI1UDM>API410 via DSTAR*,qAR,JM1FVO-I (good)
Positions stored: 21
Stations near current position of JI1UDM - show more
callsign distance last heard - EST      callsign distance last heard - EST
JA1JCN1.1 miles 166°2018-12-17 04:39:19 JJ1BFU-71.3 miles 300°2018-11-19 01:57:34
JG1VPP-71.3 miles 75°2018-11-24 19:47:14 JE1JNP-91.5 miles 14°2018-12-17 04:16:16
JJ1IZX-71.5 miles 207°2018-11-18 05:47:07 JQ1ETV-71.6 miles 93°2018-12-16 20:02:40
JA1UOA-C1.7 miles 292°2018-12-02 07:20:52 JP1YCD-B1.7 miles 270°2018-12-16 19:57:19
JH0BDK1.8 miles 159°2018-12-16 06:51:09 JM1FVO-A1.9 miles 262°2018-12-16 23:06:19
JR1MFB-A1.9 miles 247°2018-11-24 03:20:22 JA1KUU-92.0 miles 31°2018-12-17 05:02:47
7M3DZI-92.0 miles 240°2018-12-14 22:18:23 JM1FVO2.1 miles 274°2018-12-16 23:06:20
JH1CTO-92.2 miles 193°2018-11-30 07:49:50 JJ1HRX-72.3 miles 24°2018-11-27 05:47:11
JE1GSB-42.4 miles 11°2018-12-16 01:28:39 JE1GSB-132.4 miles 11°2018-12-13 08:31:14
JA1KUU-72.5 miles 31°2018-11-23 00:34:27 JA1NVL-52.6 miles 101°2018-12-05 20:55:43
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