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 W4GPS-7 - show graphs Bookmark and Share
Map loading...
Comment: W2,ALn Huntsville Alabama
Last beacon: UIDIGI 1.9
Location: 34°38.07' N 86°30.74' W - locator EM64RP82MG - show map - static map
4.4 miles Northwest bearing 317° from Owens Cross Roads, Madison County, Alabama, United States [?]
7.8 miles Southeast bearing 148° from Huntsville, Madison County, Alabama, United States
73.8 miles West bearing 248° from Chattanooga, Hamilton County, Tennessee, United States
Last position: 2012-05-24 11:13:15 UTC (10s ago)
2012-05-24 06:13:15 CDT local time at Owens Cross Roads, United States [?]
Last WX report: 2012-05-24 11:08:50 UTC (4m35s ago) – show weather charts
62.1 °F 99% 1011.4 mbar 0.0 MPH Southwest
Device: IW3FQG: UIdigi version 3B (digi)
Last path: W4GPS-7>APNU3B via qAR,N8DEU-5
Positions stored: 21
Packet rate: 156 seconds between packets on average during 7802 seconds.
Items and objects originated: 146.94HSV
Other SSIDs: W4GPS
APRS digipeater – Statistics for 2012-05:
Stations heard directly: 109 on radio path – show map
Last heard a station directly: 2012-05-24 11:12:02 UTC (1m23s ago)
Normal receiver range estimate: 50 miles (Updated: 2012-05-24 10:08:32 UTC)
Position packets heard directly: 29342 on radio path
Stations near current position of W4GPS-7 - show more
callsign distance last heard - UTC      callsign distance last heard - UTC
W4VM0.6 miles 198°2012-05-08 11:43:09 DW97471.5 miles 222°2012-05-21 02:00:42
WG8S-91.6 miles 242°2012-05-24 00:38:10 DW62152.0 miles 205°2012-05-24 11:04:27
KI4HBO-92.1 miles 64°2012-05-21 23:27:36 CW53832.5 miles 291°2012-05-24 11:09:42
KK4DTQ-72.5 miles 13°2012-05-13 21:40:23 N4PMF-12.7 miles 253°2012-05-13 20:24:23
CW39502.9 miles 32°2012-05-24 11:01:22 N4PMF-23.0 miles 250°2012-05-23 20:53:36
KC4TEP-93.4 miles 253°2012-05-24 00:02:45 KE4ROC3.4 miles 319°2012-05-24 10:30:29
KE4ROC-43.5 miles 317°2012-05-22 22:29:16 KC4TEP-103.9 miles 255°2012-05-06 00:40:36
KE4GNN-64.1 miles 325°2012-05-20 22:46:11 KF4TTB-14.2 miles 289°2012-05-24 11:09:31
KI4SBC AD4.5 miles 314°2012-05-21 02:02:52 KI4SBC B4.5 miles 314°2012-05-21 02:02:52
KI4SBC C4.5 miles 314°2012-05-21 02:02:52 KI4SBC-B4.5 miles 314°2012-05-21 02:02:26
Stations which heard W4GPS-7 directly on radio –
callsign pkts first heard - UTC last heard longest (tx => rx) longest at - UTC
KD5JXJ-2 3 2012-05-08 03:26:15 2012-05-08 04:36:17 EM64RP > EM54PF 126.2 miles 258° 2012-05-08 04:36:17
KB4YTM-1 1 2012-05-06 13:45:35 2012-05-06 13:45:35 EM64RP > EM55TQ 127.1 miles 305° 2012-05-06 13:45:35
N8DEU-5 1639 2012-05-01 00:13:12 2012-05-24 11:13:15 EM64RP > EM64MM 24.5 miles 251° 2012-05-24 11:13:15
N5AAA-1 7 2012-05-01 06:03:19 2012-05-20 05:21:26 EM64RP > EM65NQ 76.4 miles 343° 2012-05-20 05:21:26
W4LAW-6 13 2012-05-05 19:54:47 2012-05-22 01:24:48 EM64RP > EM74IL 70.0 miles 99° 2012-05-22 01:24:48
KG4NVN-10 2 2012-05-06 14:05:36 2012-05-06 14:55:37 EM64RP > EM55OQ 149.2 miles 300° 2012-05-06 14:55:37
W4ZZK-10 164 2012-05-01 01:13:13 2012-05-19 07:51:03 EM64RP > EM64FQ 59.9 miles 273° 2012-05-19 07:51:03
KI4GVH-1 7 2012-05-03 01:24:05 2012-05-16 03:49:41 EM64RP > EM65RD 36.0 miles 354° 2012-05-16 03:49:41
N4NE-1 18 2012-05-02 13:53:53 2012-05-16 07:49:45 EM64RP > EM74WF 136.7 miles 101° 2012-05-16 07:49:45
N5EYM-1 1 2012-05-07 22:16:15 2012-05-07 22:16:15 EM64RP > EM53BM 205.0 miles 249° 2012-05-07 22:16:15
KN4CI-10 169 2012-05-01 00:03:12 2012-05-24 07:13:11 EM64RP > EM64JM 42.4 miles 258° 2012-05-24 07:13:11
W1GG-1 194 2012-05-01 01:33:13 2012-05-24 10:33:14 EM64RP > EM54QH 122.3 miles 260° 2012-05-24 10:33:14
KF4TTB-5 1026 2012-05-01 02:03:14 2012-05-24 10:23:14 EM64RP > EM64QR 9.8 miles 310° 2012-05-24 10:23:14

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 W4GPS-7
callsign pkts first heard - UTC last heard longest (rx => tx) longest at - UTC
K4JCH-6 1378 2012-05-01 00:03:35 2012-05-24 09:11:20 EM64TO > EM64RP 10.2 miles 106° 2012-05-24 09:11:20
KB4BSA-8 211 2012-05-01 00:08:32 2012-05-24 08:05:31 EM74EM > EM64RP 51.1 miles 98° 2012-05-24 08:05:31
KG4PID-15 76 2012-05-01 14:31:39 2012-05-23 14:03:07 EM64DG > EM64RP 71.9 miles 251° 2012-05-23 14:03:07
K4RVH 922 2012-05-04 04:40:26 2012-05-24 10:55:25 EM64PT > EM64RP 16.7 miles 311° 2012-05-24 10:55:25
NT4UX-2 2 2012-05-03 15:20:06 2012-05-18 11:19:28 EM75AU > EM64RP 90.3 miles 19° 2012-05-18 11:19:28
N4JDB-1 5 2012-05-12 13:29:38 2012-05-22 05:48:52 EM64HK > EM64RP 51.2 miles 255° 2012-05-22 05:48:52
KA4BNI-3 1 2012-05-03 04:57:20 2012-05-03 04:57:20 EM56IH > EM64RP 195.1 miles 308° 2012-05-03 04:57:20
K4COE 39 2012-05-05 21:33:35 2012-05-23 13:51:04 EM64MS > EM64RP 27.1 miles 293° 2012-05-05 21:33:35
KD7YEE-7 219 2012-05-03 16:07:52 2012-05-23 21:33:14 EM65MB > EM64RP 39.1 miles 317° 2012-05-23 21:33:14
K5ROK-14 7 2012-05-08 12:40:16 2012-05-08 16:00:15 EM64IQ > EM64RP 45.4 miles 275° 2012-05-08 12:40:16
AA9QF-14 1 2012-05-09 22:24:30 2012-05-09 22:24:30 EM64NN > EM64RP 23.0 miles 259° 2012-05-09 22:24:30
KC5ZJO-1 119 2012-05-01 01:33:32 2012-05-24 09:00:37 EM64PR > EM64RP 14.6 miles 296° 2012-05-24 09:00:37
K4JCH 20 2012-05-22 23:32:39 2012-05-23 18:41:14 EM64TO > EM64RP 10.4 miles 109° 2012-05-23 16:34:04
KD7YEF-2 52 2012-05-01 21:22:51 2012-05-17 12:45:13 EM29MA > EM64RP 557.3 miles 305° 2012-05-16 23:09:46
WB4GNA-8 19 2012-05-04 03:28:46 2012-05-22 04:58:51 EM73CL > EM64RP 89.0 miles 153° 2012-05-22 04:58:51
KG4PHQ-1 3 2012-05-19 20:34:52 2012-05-22 22:05:50 EM74DK > EM64RP 47.5 miles 108° 2012-05-22 22:05:50
W4GHD 35 2012-05-05 14:52:41 2012-05-05 21:28:06 EM65NA > EM64RP 33.6 miles 322° 2012-05-05 14:52:41
N4TRI 10 2012-05-16 13:37:41 2012-05-21 22:01:13 EM65XF > EM64RP 47.9 miles 33° 2012-05-21 22:01:13
KD7YEE-2 55 2012-05-02 23:14:49 2012-05-24 00:14:41 EM29MA > EM64RP 557.3 miles 305° 2012-05-21 21:11:56
WG8S-9 978 2012-05-01 12:43:12 2012-05-24 00:38:10 EM64PV > EM64RP 22.3 miles 324° 2012-05-17 09:23:15
W4JT-1 70 2012-05-01 15:17:11 2012-05-18 17:20:23 EM65NF > EM64RP 45.8 miles 332° 2012-05-01 21:15:47
AG4OS-5 3 2012-05-15 00:33:05 2012-05-15 00:39:05 EM64OQ > EM64RP 16.2 miles 288° 2012-05-15 00:39:05
N4MSJ-8 1 2012-05-18 07:55:34 2012-05-18 07:55:34 EM64OQ > EM64RP 14.7 miles 287° 2012-05-18 07:55:34
KD7YEE-3 9 2012-05-18 16:47:15 2012-05-24 00:06:12 EM29MA > EM64RP 557.3 miles 305° 2012-05-23 23:23:14
IUKAMS 6 2012-05-03 09:49:46 2012-05-23 05:48:41 EM54VS > EM64RP 98.7 miles 277° 2012-05-23 05:48:41
KE4GNN 12 2012-05-17 15:05:04 2012-05-24 01:11:39 EM64MP > EM64RP 24.9 miles 269° 2012-05-24 00:47:19
KU4WW-9 8 2012-05-17 10:10:15 2012-05-20 00:10:46 EM64AR > EM64RP 82.4 miles 276° 2012-05-17 10:10:15
W4WRR-9 13 2012-05-15 17:14:00 2012-05-17 02:27:46 EM64PT > EM64RP 16.8 miles 322° 2012-05-17 02:27:46
AF6GL-9 5 2012-05-15 21:33:25 2012-05-15 21:52:52 EM64NP > EM64RP 21.2 miles 270° 2012-05-15 21:33:25
N8DEU-5 315 2012-05-01 04:17:31 2012-05-24 07:47:31 EM64MM > EM64RP 24.5 miles 251° 2012-05-24 07:47:31
N3216V 6 2012-05-17 22:36:59 2012-05-18 00:43:56 EM64LK > EM64RP 32.2 miles 246° 2012-05-18 00:43:56
KI4RXM 1 2012-05-15 20:03:39 2012-05-15 20:03:39 EM64PU > EM64RP 20.7 miles 323° 2012-05-15 20:03:39
N4JDB 84 2012-05-01 20:49:57 2012-05-23 11:11:11 EM64HL > EM64RP 51.7 miles 257° 2012-05-23 11:11:11
VE2SSG 18 2012-05-06 21:37:51 2012-05-06 22:02:10 EM64NW > EM64RP 29.7 miles 311° 2012-05-06 21:37:51
WD5WR-9 7 2012-05-02 11:55:02 2012-05-02 13:27:57 EM64PU > EM64RP 18.7 miles 322° 2012-05-02 13:27:57
K4HAL-2 9 2012-05-17 19:33:53 2012-05-23 17:08:09 EM64WE > EM64RP 36.4 miles 145° 2012-05-17 19:33:53
KI4HYB-7 3 2012-05-11 07:27:18 2012-05-12 02:04:07 EM64MV > EM64RP 28.6 miles 306° 2012-05-12 02:04:07
WA4IJU-1 9 2012-05-12 17:21:46 2012-05-13 19:38:21 EM64MV > EM64RP 28.8 miles 307° 2012-05-13 19:38:21
W4LAW-6 6 2012-05-06 03:10:17 2012-05-21 06:09:52 EM74IL > EM64RP 70.0 miles 99° 2012-05-21 06:09:52
KE4ROC-4 42 2012-05-02 22:15:07 2012-05-22 22:29:16 EM64PQ > EM64RP 10.4 miles 282° 2012-05-04 18:59:45
KJ4LAB-1 271 2012-05-01 01:27:13 2012-05-23 22:24:35 EM64PU > EM64RP 18.5 miles 322° 2012-05-20 15:26:34
AD4SV-9 6 2012-05-09 12:41:23 2012-05-09 16:35:27 EM64WO > EM64RP 20.0 miles 93° 2012-05-09 12:41:23
K8GNM 670 2012-05-02 18:51:44 2012-05-24 02:12:55 EM64PR > EM64RP 12.4 miles 309° 2012-05-08 20:14:45
KD4ZGW-14 19 2012-05-03 19:02:46 2012-05-20 23:22:48 EM64EQ > EM64RP 60.9 miles 273° 2012-05-03 19:17:58
N48DE 21 2012-05-05 16:55:41 2012-05-19 18:27:02 EM64MP > EM64RP 24.2 miles 272° 2012-05-11 22:31:40
N4TKT9 8 2012-05-20 00:06:07 2012-05-20 01:15:43 EM64MS > EM64RP 25.9 miles 293° 2012-05-20 00:06:45
WA8VWY-7 7 2012-05-19 14:49:59 2012-05-20 21:17:29 EM64MR > EM64RP 26.5 miles 284° 2012-05-20 00:51:50
KD4MPW 63 2012-05-01 02:49:53 2012-05-23 21:34:35 EM64NP > EM64RP 19.1 miles 271° 2012-05-13 23:46:22
LAWEMA 41 2012-05-02 14:27:14 2012-05-24 05:55:02 EM64IL > EM64RP 45.6 miles 257° 2012-05-24 05:55:02
ESTLAW 6 2012-05-07 14:09:56 2012-05-21 18:27:27 EM64JN > EM64RP 37.9 miles 263° 2012-05-21 18:27:27
HUBBRD 64 2012-05-03 03:05:42 2012-05-24 04:09:11 EM64IQ > EM64RP 45.4 miles 274° 2012-05-24 04:09:11
HATSCH 39 2012-05-01 17:28:04 2012-05-24 05:53:27 EM64HN > EM64RP 51.6 miles 265° 2012-05-24 05:53:27
MTHOPE 20 2012-05-03 16:40:28 2012-05-23 03:37:45 EM64GK > EM64RP 56.7 miles 257° 2012-05-23 03:37:45
SPKSCH 60 2012-05-01 10:27:19 2012-05-23 15:22:51 EM64JK > EM64RP 40.4 miles 248° 2012-05-23 15:22:51
KG4UWE-9 69 2012-05-13 16:58:24 2012-05-19 19:16:10 EM64PT > EM64RP 17.7 miles 316° 2012-05-19 19:16:10
KC4TEP-9 623 2012-05-01 00:05:09 2012-05-24 00:02:45 EM64MO > EM64RP 26.1 miles 268° 2012-05-19 17:42:06
TWNCRK 198 2012-05-01 08:20:51 2012-05-24 08:01:48 EM64HQ > EM64RP 51.0 miles 274° 2012-05-24 08:01:48
K5JV 3 2012-05-17 12:46:37 2012-05-17 13:33:39 EM65NF > EM64RP 45.5 miles 332° 2012-05-17 13:33:39
KD4EDE-14 1 2012-05-06 00:27:00 2012-05-06 00:27:00 EM64MO > EM64RP 25.7 miles 268° 2012-05-06 00:27:00
KJ4SVL 439 2012-05-01 23:48:16 2012-05-20 21:44:58 EM64UI > EM64RP 24.4 miles 145° 2012-05-13 00:44:13
W4ZZK-10 11 2012-05-07 16:32:14 2012-05-18 09:32:46 EM64FQ > EM64RP 59.9 miles 273° 2012-05-18 09:32:46
KE4GNN-6 2 2012-05-20 22:44:34 2012-05-20 22:46:11 EM64RQ > EM64RP 4.1 miles 325° 2012-05-20 22:46:11
N4PMF-2 388 2012-05-01 06:39:13 2012-05-23 20:53:36 EM64PQ > EM64RP 13.7 miles 289° 2012-05-11 18:55:20
KZ4W-2 156 2012-05-01 00:31:51 2012-05-19 12:18:36 EM64OT > EM64RP 17.5 miles 309° 2012-05-11 16:19:38
W4TFW-9 107 2012-05-01 10:20:58 2012-05-23 16:51:11 EM64KP > EM64RP 33.1 miles 270° 2012-05-21 21:18:26
N5TCW 6 2012-05-01 15:54:42 2012-05-01 16:45:46 EM64QR > EM64RP 9.1 miles 326° 2012-05-01 16:07:09
N5SIE-14 42 2012-05-20 02:50:34 2012-05-23 20:35:34 EM64MO > EM64RP 27.4 miles 268° 2012-05-20 02:50:34
N3FU-9 4 2012-05-21 18:01:18 2012-05-21 18:09:59 EM64MS > EM64RP 25.8 miles 290° 2012-05-21 18:01:18
W0JAG-9 2 2012-05-06 17:48:52 2012-05-06 17:53:54 EM64NM > EM64RP 23.6 miles 254° 2012-05-06 17:53:54
DW0010 903 2012-05-01 01:14:16 2012-05-22 20:33:38 EM64QP > EM64RP 8.7 miles 282° 2012-05-22 20:33:38
DW0150 2785 2012-05-01 00:19:59 2012-05-24 10:36:07 EM64PP > EM64RP 9.5 miles 276° 2012-05-24 10:36:07
DW0076 3162 2012-05-01 00:05:50 2012-05-24 11:06:31 EM64PP > EM64RP 9.3 miles 279° 2012-05-24 11:06:31
DW0325 1947 2012-05-01 00:06:44 2012-05-24 10:52:44 EM64PP > EM64RP 9.0 miles 274° 2012-05-24 10:52:44
DW0187 1237 2012-05-01 04:32:41 2012-05-24 10:45:55 EM64PP > EM64RP 8.9 miles 276° 2012-05-24 10:45:55
DW0557 1706 2012-05-01 17:28:29 2012-05-24 11:12:02 EM64QP > EM64RP 8.3 miles 266° 2012-05-24 11:12:02
DW0488 1487 2012-05-01 01:08:53 2012-05-24 11:01:43 EM64QP > EM64RP 8.2 miles 269° 2012-05-24 11:01:43
DW0517 1509 2012-05-01 00:00:23 2012-05-24 07:07:55 EM64QP > EM64RP 8.7 miles 268° 2012-05-24 07:07:55
DW0392 1612 2012-05-01 00:05:49 2012-05-24 09:07:12 EM64QP > EM64RP 8.7 miles 272° 2012-05-24 09:07:12
W8LN 2 2012-05-06 19:29:17 2012-05-06 19:40:13 EM64QR > EM64RP 9.8 miles 313° 2012-05-06 19:40:13
KJ4GCN-9 10 2012-05-22 15:46:59 2012-05-23 12:30:40 EM64PP > EM64RP 11.7 miles 274° 2012-05-23 12:18:28
KK5VD-8 25 2012-05-04 20:41:10 2012-05-22 17:08:16 EM64PS > EM64RP 15.5 miles 302° 2012-05-22 16:40:39
KF4TTB-5 16 2012-05-03 14:55:24 2012-05-22 01:49:54 EM64QR > EM64RP 9.8 miles 310° 2012-05-22 01:49:54
DW0255 1452 2012-05-01 00:11:39 2012-05-24 10:43:43 EM64PP > EM64RP 9.5 miles 274° 2012-05-24 10:43:43
DW0121 2915 2012-05-01 00:19:50 2012-05-24 11:11:43 EM64QP > EM64RP 8.8 miles 279° 2012-05-24 11:11:43
KK4DTQ-7 1 2012-05-13 21:40:23 2012-05-13 21:40:23 EM64RQ > EM64RP 2.5 miles 13° 2012-05-13 21:40:23
WB4ERN-9 2 2012-05-19 16:10:58 2012-05-19 16:37:01 EM64NX > EM64RP 31.5 miles 319° 2012-05-19 16:10:58
KJ4YMB-9 6 2012-05-14 16:36:00 2012-05-17 06:00:33 EM64ET > EM64RP 65.6 miles 280° 2012-05-17 06:00:33
KK4DLF 10 2012-05-11 11:15:28 2012-05-20 20:54:53 EM64RS > EM64RP 9.0 miles 341° 2012-05-20 20:44:33
KJ4GCN-7 187 2012-05-01 12:12:09 2012-05-08 21:47:28 EM64MS > EM64RP 26.4 miles 293° 2012-05-08 21:45:38
W4ZZK-9 50 2012-05-04 17:32:44 2012-05-18 01:40:56 EM64FQ > EM64RP 59.9 miles 273° 2012-05-18 01:40:56
N4GMW-10 1 2012-05-24 03:55:02 2012-05-24 03:55:02 EM55PQ > EM64RP 142.8 miles 301° 2012-05-24 03:55:02
KI4YAP-7 12 2012-05-07 22:04:09 2012-05-17 17:56:56 EM64PS > EM64RP 16.3 miles 310° 2012-05-07 22:29:51
KB4FHU-14 16 2012-05-11 13:25:32 2012-05-13 22:45:35 EM65NE > EM64RP 43.6 miles 332° 2012-05-13 22:45:35
KF5OHB 6 2012-05-02 19:17:16 2012-05-11 20:26:26 EM64PS > EM64RP 12.6 miles 311° 2012-05-09 22:56:53
KC4UG-1 6 2012-05-04 08:12:47 2012-05-20 13:27:36 EM53WR > EM64RP 110.8 miles 237° 2012-05-20 13:27:36
KB9UBU-9 2 2012-05-03 15:43:25 2012-05-06 21:52:36 EM64MT > EM64RP 27.7 miles 299° 2012-05-03 15:43:25
ON9CC-9 2 2012-05-20 21:31:54 2012-05-20 21:33:56 EM64NM > EM64RP 23.5 miles 253° 2012-05-20 21:33:56
AG4AT 8 2012-05-09 00:56:43 2012-05-13 18:13:52 EM64PU > EM64RP 19.3 miles 318° 2012-05-13 18:13:52
KK4JBY-7 59 2012-05-09 01:09:19 2012-05-19 13:50:57 EM64QM > EM64RP 10.1 miles 226° 2012-05-19 13:50:57
KK4HRN-11 13 2012-05-09 06:20:16 2012-05-10 19:09:43 EM64QR > EM64RP 9.5 miles 310° 2012-05-10 19:09:43
KK4HRN-12 8 2012-05-09 06:38:01 2012-05-09 10:18:02 EM64PS > EM64RP 12.8 miles 310° 2012-05-09 08:52:05
KK4HRN-3 2 2012-05-11 14:26:54 2012-05-11 16:14:42 EM74AO > EM64RP 29.9 miles 96° 2012-05-11 16:14:42
KK4HRN-2 1 2012-05-09 19:32:37 2012-05-09 19:32:37 EM64SM > EM64RP 9.3 miles 176° 2012-05-09 19:32:37
K7RKS 10 2012-05-11 22:27:46 2012-05-16 22:16:35 EM64OR > EM64RP 16.9 miles 293° 2012-05-11 22:34:06
KC0SDU 1 2012-05-20 23:05:14 2012-05-20 23:05:14 EM64NO > EM64RP 22.0 miles 266° 2012-05-20 23:05:14
N4PMF-1 2 2012-05-12 21:23:07 2012-05-12 22:53:06 EM64RO > EM64RP 2.7 miles 253° 2012-05-12 22:53:06
W9DLK-14 6 2012-05-17 01:52:37 2012-05-20 01:24:50 EM64NX > EM64RP 31.3 miles 318° 2012-05-20 01:24:50
PNKCTR 34 2012-05-17 21:01:22 2012-05-19 19:21:22 EM64KK > EM64RP 34.9 miles 250° 2012-05-19 19:21:22
N2542C 4 2012-05-21 22:46:47 2012-05-21 23:05:59 EM64NP > EM64RP 21.8 miles 269° 2012-05-21 23:05:59

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.
User guide · 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