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 KJ4AXB-4 - show graphs
Map loading...
Mic-E message: En route
Location: 34°45.18' N 86°40.94' W - locator EM64PS80CR - show map - static map
5.2 miles North bearing 338° from Redstone Arsenal, Madison County, Alabama, United States [?]
5.7 miles West bearing 286° from Huntsville, Madison County, Alabama, United States
19.9 miles Northeast bearing 59° from Decatur, Morgan County, Alabama, United States
Last position: 2018-07-21 13:53:04 EDT (1d 17h40m ago)
2018-07-21 12:53:04 CDT local time at Redstone Arsenal, United States [?]
Altitude: 781 ft
Course:
Device: Kenwood: TM-D710 (rig)
Last path: KJ4AXB-4>ST4U1X via WIDE1-1,WIDE2-2,qAo,N8DEU-7 (good)
Positions stored: 86774
Packet rate: 96 seconds between packets on average during 4499 seconds.
Stations near current position of KJ4AXB-4 - show more
callsign distance last heard - EDT      callsign distance last heard - EDT
W4HSV0.4 miles 44°2018-07-23 07:33:27 KJ4OVR-21.4 miles 11°2018-07-22 15:30:37
KN4KZN-111.5 miles 175°2018-06-29 11:13:43 W4JT-21.6 miles 301°2018-07-18 14:03:39
W4JT-91.6 miles 302°2018-07-20 16:26:26 4JT1.6 miles 302°2018-07-20 23:39:39
JT1.6 miles 302°2018-07-20 10:18:49 W4JT1.6 miles 301°2018-07-23 07:33:46
W4J1.6 miles 301°2018-07-22 12:33:47 FW12251.6 miles 262°2018-07-23 07:27:18
EW61821.9 miles 141°2018-07-23 07:30:22 -42.0 miles 125°2018-07-18 17:29:04
W3MAD-92.3 miles 139°2018-07-23 06:44:56 N4XWC-92.7 miles 141°2018-07-07 14:09:13
DW89532.8 miles 324°2018-07-23 07:29:24 K4PLT-22.8 miles 245°2018-07-23 07:26:11
K4PT-22.8 miles 245°2018-07-18 16:03:32 AI4QR B2.8 miles 255°2018-06-28 14:08:49
AI4QR-B2.8 miles 255°2018-06-28 14:08:59 AI4QR2.8 miles 255°2018-06-28 14:12:14
Stations which heard KJ4AXB-4 directly on radio –
callsign pkts first heard - EDT last heard longest (tx => rx) longest at - EDT
N4IDX-7 2 2018-07-08 14:27:05 2018-07-17 19:40:15 EM64PS > EM64HJ 47.5 miles 240° 2018-07-17 19:40:15
N4BCX 114 2018-07-07 17:32:22 2018-07-21 13:51:04 EM64PS > EM64SS 14.6 miles 84° 2018-07-08 14:50:11
KJ4TDM-1 10 2018-07-08 15:09:32 2018-07-16 17:12:29 EM64PS > EM64TE 45.0 miles 151° 2018-07-08 15:09:32
KK4NAM 215 2018-07-07 13:22:57 2018-07-21 13:30:55 EM64PR > EM64RW 15.6 miles 26° 2018-07-18 13:59:48
N8DEU-7 985 2018-07-07 13:24:55 2018-07-21 13:53:04 EM65RD > EM64RR 29.1 miles 177° 2018-07-07 15:44:02
K4PLT-2 229 2018-07-07 13:23:30 2018-07-21 13:12:59 EM65RC > EM64PR 25.6 miles 200° 2018-07-07 16:33:44

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