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 BD4CG-2 - show graphs
Map loading...
Comment: HaiNan ChengMai BD4CG WIFI 13.6V
Location: 19°43.30' N 110°12.45' E - locator OK59CR43VE - show map - static map
2.0 miles Southeast bearing 156° from Yongfa, Hainan, China [?]
2.6 miles Southwest bearing 218° from Dongshan, Hainan, China
20.1 miles South bearing 196° from Xiuying, Hainan, China
24.0 miles South bearing 201° from Haikou, Hainan, China
Last position: 2018-06-22 01:41:21 EDT (9m27s ago)
2018-06-22 13:41:21 CST local time at Yongfa, China [?]
Device: WA0TQG (software)
Last path: BD4CG-2>APLM2D via TCPIP*,qAC,T2EDM
Positions stored: 410
Packet rate: 1181 seconds between packets on average during 57860 seconds.
Other SSIDs: BD4CG-10 BD4CG-11 BD4CG-13 BD4CG-15 BD4CG-3 BD4CG-7 BD4CG-8 BD4CG-9 BD4CG-B BD4CG-Y
APRS igate – Statistics for 2018-06:
Stations heard directly: 5 on radio path – show map
Last heard a station directly: 2018-06-22 01:46:58 EDT (3m50s ago)
Normal receiver range estimate: 19 miles (Updated: 2018-06-22 01:27:32 EDT)
Position packets heard directly: 3970 on radio path
Position packets sent to APRS-IS: 4289 – show map
Stations near current position of BD4CG-2 - show more
callsign distance last heard - EDT      callsign distance last heard - EDT
BD4CG B1.2 miles 302°2018-06-18 10:14:48 BD4CG-B1.2 miles 302°2018-06-18 10:14:58
EL-BD4CG1.7 miles 305°2018-06-22 01:43:48 BG7YII-98.9 miles 104°2018-06-13 08:35:10
BG7YJ-910.0 miles 5°2018-06-18 08:33:50 BD7LJM-511.6 miles 175°2018-05-25 03:04:01
BG7YU-919.9 miles 13°2018-06-16 06:23:18 BG7YQ-920.0 miles 13°2018-06-16 07:05:36
BD4CG-320.9 miles 24°2018-06-22 01:49:17 BD7LJM-721.6 miles 19°2018-05-23 08:20:00
BG7YII-1022.0 miles 21°2018-06-22 01:46:26
Stations which heard BD4CG-2 directly on radio –
callsign pkts first heard - EDT last heard longest (tx => rx) longest at - EDT
BG7YBW-1 5 2018-06-02 00:49:08 2018-06-18 16:09:56 OK59CR > OL50DA 22.4 miles 20° 2018-06-18 16:09:56
BD4CG-3 808 2018-06-01 00:07:44 2018-06-21 19:09:02 OK59CR > OK59EX 20.9 miles 24° 2018-06-21 19:09:02

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.
Stations heard directly by BD4CG-2
callsign pkts first heard - EDT last heard longest (rx => tx) longest at - EDT
BG7YBW-1 2782 2018-05-31 20:12:00 2018-06-22 01:46:58 OL50DA > OK59CR 22.4 miles 20° 2018-06-22 01:46:58
BD4CG-8 105 2018-06-01 03:53:38 2018-06-20 20:41:14 OK59CV > OK59CR 10.9 miles 8° 2018-06-19 04:49:00
BG7YII-9 429 2018-06-09 00:20:22 2018-06-13 08:32:43 OK59EQ > OK59CR 10.6 miles 105° 2018-06-13 08:28:33
BG7YU-1 649 2018-05-31 23:37:52 2018-06-21 23:40:51 OL50DA > OK59CR 22.4 miles 11° 2018-06-21 23:40:51
BG7YJ-9 5 2018-06-02 21:07:09 2018-06-02 22:34:47 OK59CV > OK59CR 13.3 miles 7° 2018-06-02 21:07:09

Only stations from which a position packet has been heard 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