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 7M4NGG-12 - show graphs
Map loading...
Comment: PSE CLUSTER UP ?
Mic-E message: Off duty
Location: 35°48.41' N 140°01.89' E - locator QM05AT33SP - show map - static map
2.7 miles Northeast bearing 40° from Kamagaya-shi, Chiba, Japan [?]
7.5 miles East bearing 78° from Matsudo, Chiba, Japan
20.7 miles Northeast bearing 67° from Tokyo, Tōkyō, Japan
33.0 miles Northeast bearing 41° from Yokohama-shi, Kanagawa, Japan
Last position: 2017-05-24 00:17:32 EDT (41s ago)
2017-05-24 13:17:32 JST local time at Kamagaya-shi, Japan [?]
Course: 350°
Speed: 23 MPH
Last path: 7M4NGG-12>SUTXT1 via JE1ZPD-1*,qAR,JN1NVQ (good)
Positions stored: 18490
Packet rate: 103 seconds between packets on average during 2585 seconds.
Stations near current position of 7M4NGG-12 - show more
callsign distance last heard - EDT      callsign distance last heard - EDT
JA1OHM-91.6 miles 248°2017-05-03 03:51:45 JA1VIH-A1.7 miles 152°2017-05-18 22:18:05
JF1TEU2.8 miles 169°2017-05-20 21:53:34 JA7NJN2.9 miles 339°2017-05-03 02:44:00
JR1SWD3.0 miles 190°2017-04-24 16:16:01 JR1SWD-53.0 miles 190°2017-05-01 17:41:15
JP1YLB-I4.0 miles 3°2017-05-24 00:10:02 JF1UMK-94.1 miles 2°2017-05-13 20:07:25
7K3LHX-104.4 miles 332°2017-05-23 23:52:23 JN7TAN-14.4 miles 332°2017-05-14 03:36:47
JR1SWD-124.6 miles 124°2017-05-23 06:25:12 JR1TOT5.0 miles 174°2017-05-23 20:17:30
JG1NPN5.0 miles 4°2017-05-21 19:20:09 JA3NAS-95.1 miles 31°2017-05-19 01:47:45
7M4MCY-F5.1 miles 251°2017-05-10 18:56:47 JA1MKB-95.2 miles 335°2017-05-23 22:56:43
JE1VHI5.2 miles 316°2017-05-23 23:26:51 JP1YFY-I5.3 miles 178°2017-05-24 00:12:12
JN1ZOG-135.4 miles 199°2017-05-24 00:10:09 JR1TOT-95.4 miles 175°2017-05-23 23:00:58
Stations which heard 7M4NGG-12 directly on radio –
callsign pkts first heard - EDT last heard longest (tx => rx) longest at - EDT
JK1PBD-1 2 2017-05-23 23:35:49 2017-05-23 23:36:27 QM05AR > PM95VQ 13.0 miles 255° 2017-05-23 23:35:49
JF1QGG 1 2017-05-23 23:56:07 2017-05-23 23:56:07 QM05AR > PM95XQ 4.1 miles 227° 2017-05-23 23:56:07
JJ1YDX-3 4 2017-05-23 23:55:33 2017-05-24 00:16:34 QM05AR > QM06BF 33.4 miles 10° 2017-05-23 23:55:33
JE1ZPD-1 8 2017-05-23 23:34:27 2017-05-24 00:17:32 QM05AR > PM95WV 13.0 miles 332° 2017-05-23 23:34:27
JM1YTY-3 2 2017-05-24 00:08:15 2017-05-24 00:10:36 QM05AS > PM95WC 47.8 miles 190° 2017-05-24 00:10:36
JH1LWU-13 1 2017-05-23 23:38:19 2017-05-23 23:38:19 QM05AR > PM95WS 6.6 miles 292° 2017-05-23 23:38:19
JM1YTU-3 2 2017-05-23 23:54:49 2017-05-24 00:11:10 QM05AS > QM05CL 24.1 miles 156° 2017-05-24 00:11:10
JR1JDS-10 2 2017-05-23 23:35:27 2017-05-23 23:56:46 QM05AR > QM05AQ 4.4 miles 160° 2017-05-23 23:56:46
7K3LHX-10 1 2017-05-24 00:06:12 2017-05-24 00:06:12 QM05AS > PM95XU 6.5 miles 348° 2017-05-24 00:06:12

Only position packets which were originated by the station are shown here. The range statistics show some extra long hops, because some digipeaters do not correctly add themselves to the digipeater path. Please check the raw packets.
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