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APRS station SR5DRK - show graphs
Comment: W1 Kozlowiec k/Przysuchy aprs.tomul.net
Location: 51°21.52' N 20°34.34' E - locator KO01GI86QB - show map
2.4 miles West bearing 270° from Przysucha, Powiat przysuski, Masovian Voivodeship, Poland [?]
4.9 miles Southeast bearing 126° from Gielniów, Powiat przysuski, Masovian Voivodeship, Poland
54.6 miles Southeast bearing 119° from Łódź, Łódź Voivodeship, Poland
63.0 miles South bearing 198° from Warsaw, Masovian Voivodeship, Poland
Last position: 2025-02-06 09:37:03 EST (23m2s ago)
2025-02-06 15:37:03 CET local time at Przysucha, Poland [?]
Altitude: 1500 ft
Last WX report: 2024-09-12 09:32:04 EDT (147d 1h28m ago) – show weather charts
75 °F 57% 993.9 mbar 0.0 MPH North
Last telemetry: 2024-09-11 19:47:03 EDT (147d 15h13m ago) – show telemetry
Ch 1: 185, Ch 2: 84, Ch 3: 13, Ch 4: 74, Ch 5: 54
 1     2     3     4     5     6     7     8 
Device: Kenneth W. Finnegan, W6KWF: Aprx (igate, Linux/Unix)
Last path: SR5DRK>APRX29 via WIDE2-1,qAR,SP7XFF-1 (good)
Positions stored: 116
Packet rate: 1718 seconds between packets on average during 84202 seconds.
APRS igate – Statistics for 2025-02:
Stations heard directly: 118 on radio path – show map
Last heard a station directly: 2025-02-06 09:58:20 EST (1m45s ago)
Normal receiver range estimate: 124 miles (Updated: 2025-02-06 08:50:56 EST)
Position packets heard directly: 4678 on radio path
Position packets sent to APRS-IS: 1073 – show map
Stations near current position of SR5DRK - show more
callsign distance last heard - EST      callsign distance last heard - EST
SR5RK-B0.0 yards 0°2025-02-06 09:56:43 SR5RK B0.0 yards 0°2025-02-06 09:56:33
SQ5PTZ-N9.8 miles 357°2025-01-20 07:38:18 SQ5PTZ B9.8 miles 357°2025-01-22 00:40:19
SQ5PTZ-B9.8 miles 357°2025-01-22 00:40:24 SR7EOP12.0 miles 273°2025-02-06 09:57:55
SP7TQ-1312.0 miles 273°2025-01-21 17:00:36 SQ7RAI-112.1 miles 277°2025-02-06 09:30:21
SP7BRK12.9 miles 279°2025-01-26 17:34:20 SP7BRK-712.9 miles 279°2025-02-05 10:45:57
SP7TQ-817.8 miles 84°2025-01-25 15:03:41 SQ7BFI-719.6 miles 243°2025-02-05 06:30:14
SQ7LB-i22.1 miles 330°2025-02-04 03:05:43 SQ5SUI-FM22.9 miles 74°2025-02-06 10:00:02
SQ5SUI-223.0 miles 74°2025-02-06 09:52:43 SQ5SUI-423.0 miles 74°2025-02-01 03:09:46
SQ5SUI-123.0 miles 74°2025-02-06 09:58:14 SQ5SUI-923.0 miles 74°2025-01-23 14:29:43
SQ5SUI-323.1 miles 74°2025-02-06 09:52:40 SR5DVR-R23.6 miles 81°2025-02-06 09:40:02
Stations which heard SR5DRK directly on radio –
callsign pkts first heard - EST last heard longest (tx => rx) longest at - EST
SP7PGK-15 8 2025-01-31 23:45:53 2025-02-06 02:26:03 KO01GI > JO91RR 53.8 miles 300° 2025-02-06 02:26:03

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 SR5DRK
callsign pkts first heard - EST last heard longest (rx => tx) longest at - EST
SR5DRA-10 102 2025-01-31 19:13:49 2025-02-06 04:13:46 KO01NJ > KO01GI 25.2 miles 82° 2025-02-06 04:13:46
SR4DOS 1 2025-02-04 23:18:59 2025-02-04 23:18:59 JO93XN > KO01GI 153.6 miles 350° 2025-02-04 23:18:59
SQ5DCP-1 143 2025-01-31 19:50:49 2025-02-06 08:30:49 KO01NI > KO01GI 24.9 miles 88° 2025-02-06 08:30:49
SR9NWC 94 2025-01-31 20:38:03 2025-02-06 09:57:47 JN99XP > KO01GI 120.5 miles 192° 2025-02-06 09:57:47
SR4NWQ 2 2025-02-04 12:13:21 2025-02-04 22:39:46 KO03PU > KO01GI 175.7 miles 10° 2025-02-04 22:39:46
SQ9MDD-9 2 2025-02-04 04:25:48 2025-02-04 04:27:48 JO91VV > KO01GI 52.0 miles 318° 2025-02-04 04:27:48
SP1WSR-9 1 2025-02-03 05:43:23 2025-02-03 05:43:23 KO02DB > KO01GI 50.7 miles 348° 2025-02-03 05:43:23
SP7PGK-15 221 2025-01-31 19:02:46 2025-02-06 09:44:06 JO91RR > KO01GI 53.8 miles 300° 2025-02-06 09:44:06
SP7MTU-9 5 2025-02-01 09:54:26 2025-02-05 15:57:51 JO91RR > KO01GI 53.7 miles 300° 2025-02-05 15:57:51
SP7SQI-9 10 2025-02-06 04:44:32 2025-02-06 06:51:51 KO01QO > KO01GI 37.3 miles 65° 2025-02-06 06:51:51
SQ6ODL-9 1 2025-02-03 08:52:03 2025-02-03 08:52:03 JO91SP > KO01GI 47.7 miles 294° 2025-02-03 08:52:03
SQ5NWI-9 1 2025-02-02 02:25:41 2025-02-02 02:25:41 KO02LF > KO01GI 63.6 miles 15° 2025-02-02 02:25:41
SQ5AAG-2 137 2025-01-31 19:50:08 2025-02-06 09:24:40 KO02KE > KO01GI 59.1 miles 12° 2025-02-06 09:24:40
SQ2LYQ-9 4 2025-02-01 02:33:35 2025-02-06 01:30:36 JO91TK > KO01GI 39.8 miles 277° 2025-02-06 01:23:54
SQ7OWN-9 29 2025-02-05 00:44:11 2025-02-05 02:28:19 JO91TK > KO01GI 40.4 miles 278° 2025-02-05 02:28:19
SP7QHR-9 2 2025-02-04 11:37:23 2025-02-04 11:42:32 JO91TR > KO01GI 49.7 miles 303° 2025-02-04 11:37:23
SQ5ALQ-9 4 2025-02-01 15:15:52 2025-02-04 02:20:24 KO02JE > KO01GI 59.3 miles 8° 2025-02-04 02:09:24
SQ8GKT-9 1 2025-02-03 01:40:57 2025-02-03 01:40:57 KO02SA > KO01GI 60.7 miles 42° 2025-02-03 01:40:57
SP7PFD-15 110 2025-01-31 20:21:42 2025-02-06 08:58:28 KO01NB > KO01GI 30.7 miles 133° 2025-02-06 08:58:28
SQ7EQK-4 37 2025-02-01 00:36:45 2025-02-06 05:53:34 KO01SN > KO01GI 45.0 miles 72° 2025-02-06 05:53:34
SR7NWL 64 2025-01-31 20:05:16 2025-02-06 09:16:13 KO01BX > KO01GI 46.3 miles 337° 2025-02-06 09:16:13
SQ5MJA 62 2025-02-01 04:09:08 2025-02-06 09:37:48 KO01OI > KO01GI 26.3 miles 88° 2025-02-06 09:37:48
SR8NPG 3 2025-02-01 01:43:57 2025-02-06 03:58:30 KO11SN > KO01GI 129.0 miles 83° 2025-02-06 03:58:30
SR5DLA 23 2025-01-31 21:06:49 2025-02-05 17:56:26 KO02NM > KO01GI 84.1 miles 15° 2025-02-05 17:56:26
SR8NLU 8 2025-02-02 11:21:39 2025-02-05 02:11:31 KO11ED > KO01GI 79.8 miles 101° 2025-02-05 02:11:31
SQ5KGV-7 1 2025-02-01 05:13:41 2025-02-01 05:13:41 KO01NI > KO01GI 24.1 miles 89° 2025-02-01 05:13:41
SR7NST 161 2025-01-31 19:18:33 2025-02-06 09:37:40 KO00MN > KO01GI 59.8 miles 158° 2025-02-06 09:37:40
SR5NWR 31 2025-01-31 19:49:58 2025-02-06 00:16:35 KO02QV > KO01GI 111.0 miles 18° 2025-02-06 00:16:35
SR7BKI 4 2025-02-03 14:49:49 2025-02-03 22:50:59 KO00HU > KO01GI 34.3 miles 176° 2025-02-03 22:50:59
SP7XFF-1 611 2025-01-31 19:22:23 2025-02-06 09:36:12 KO01NJ > KO01GI 23.7 miles 84° 2025-02-06 09:36:12
SR8NPU 294 2025-01-31 19:35:43 2025-02-06 09:04:12 KO01XH > KO01GI 60.3 miles 92° 2025-02-06 09:04:12
SQ5AM-9 13 2025-02-02 04:20:30 2025-02-02 05:23:33 JO91RE > KO01GI 48.5 miles 258° 2025-02-02 05:23:33
SP5JI-9 1 2025-02-01 02:30:51 2025-02-01 02:30:51 KO02KF > KO01GI 61.9 miles 13° 2025-02-01 02:30:51
SQ5PTZ-9 6 2025-02-01 05:46:37 2025-02-06 05:54:02 KO02NF > KO01GI 64.0 miles 20° 2025-02-06 05:54:02
SP5CWC-9 1 2025-02-01 11:02:07 2025-02-01 11:02:07 KO02MB > KO01GI 53.9 miles 23° 2025-02-01 11:02:07
SR5ZU 4 2025-02-04 19:20:25 2025-02-05 06:12:09 JO93WB > KO01GI 121.3 miles 346° 2025-02-05 06:12:09
SQ7DUF-9 29 2025-01-31 23:17:00 2025-02-06 06:23:58 KO01OK > KO01GI 27.7 miles 76° 2025-02-05 06:28:39
SR5NEB 34 2025-01-31 22:05:34 2025-02-06 03:45:32 KO02HC > KO01GI 51.4 miles 3° 2025-02-06 03:45:32
SP8QEO-2 5 2025-01-31 23:04:37 2025-02-05 18:54:23 KO12QA > KO01GI 127.3 miles 69° 2025-02-05 18:54:23
SR8ULZ 46 2025-01-31 20:25:57 2025-02-06 09:48:23 KO11BO > KO01GI 67.8 miles 76° 2025-02-06 09:48:23
SP5MXW-9 6 2025-02-01 07:17:27 2025-02-01 07:46:23 KO01JX > KO01GI 44.4 miles 14° 2025-02-01 07:46:23
SR2INO 2 2025-02-04 15:20:22 2025-02-04 21:59:22 JO92CT > KO01GI 139.7 miles 316° 2025-02-04 21:59:22
SR5NWA 44 2025-01-31 21:10:09 2025-02-06 06:11:50 KO02MD > KO01GI 58.5 miles 20° 2025-02-06 06:11:50
SQ5SUI-1 131 2025-01-31 19:13:03 2025-02-06 09:58:20 KO01NK > KO01GI 23.0 miles 74° 2025-02-06 09:58:20
SR9NFB 9 2025-02-02 22:39:51 2025-02-06 06:29:27 KN09GL > KO01GI 130.6 miles 180° 2025-02-06 06:29:27
SR5ZBL 38 2025-01-31 19:06:53 2025-02-05 22:41:24 KO02SE > KO01GI 70.2 miles 36° 2025-02-05 22:41:24
SR5AWG 42 2025-01-31 22:35:22 2025-02-06 08:50:02 KO01TV > KO01GI 58.5 miles 50° 2025-02-06 08:50:02
SQ5BLK-10 17 2025-02-01 11:22:30 2025-02-03 22:00:28 KO02LJ > KO01GI 72.0 miles 12° 2025-02-03 22:00:28
SP5BWN-9 1 2025-02-05 13:09:39 2025-02-05 13:09:39 KO02OK > KO01GI 79.2 miles 20° 2025-02-05 13:09:39
SQ7BCZ-9 4 2025-02-01 08:34:31 2025-02-02 06:55:32 KO00KX > KO01GI 28.5 miles 154° 2025-02-01 08:34:31
SP9EA 1 2025-02-05 13:48:09 2025-02-05 13:48:09 JO90PF > KO01GI 95.0 miles 216° 2025-02-05 13:48:09
SR9GM-2 16 2025-02-01 16:40:06 2025-02-06 02:04:52 JN99JQ > KO01GI 138.9 miles 214° 2025-02-06 02:04:52
SR5PIO 14 2025-01-31 20:23:52 2025-02-06 09:53:34 KO01RL > KO01GI 38.6 miles 77° 2025-02-06 09:53:34
SP5WCK 1 2025-02-05 12:29:37 2025-02-05 12:29:37 KO12CJ > KO01GI 101.3 miles 44° 2025-02-05 12:29:37
SQ5KIB 10 2025-02-01 05:33:25 2025-02-06 08:25:33 KO02KE > KO01GI 58.4 miles 11° 2025-02-06 08:25:33
SP2J-9 25 2025-02-06 02:56:50 2025-02-06 04:28:28 KO01KX > KO01GI 43.2 miles 16° 2025-02-06 02:56:50
SP5XTF-7 3 2025-02-01 12:22:49 2025-02-01 12:47:31 KO01LQ > KO01GI 28.4 miles 32° 2025-02-01 12:47:31
SR8LWA 10 2025-02-01 02:28:11 2025-02-05 16:04:28 KO11EW > KO01GI 86.2 miles 62° 2025-02-05 16:04:28
SP5BHO-1 12 2025-02-01 13:57:16 2025-02-06 01:33:36 KO02JE > KO01GI 57.3 miles 9° 2025-02-06 01:33:36
SP7PA-15 18 2025-02-01 08:23:26 2025-02-05 11:32:46 KO01RA > KO01GI 43.9 miles 122° 2025-02-05 11:32:46
SP5XTF-9 1 2025-02-03 02:26:50 2025-02-03 02:26:50 KO02OE > KO01GI 63.9 miles 24° 2025-02-03 02:26:50
SQ5EBI-9 1 2025-02-03 00:58:13 2025-02-03 00:58:13 KO02LC > KO01GI 53.7 miles 20° 2025-02-03 00:58:13
SP5ANT-9 2 2025-02-05 01:48:46 2025-02-05 01:55:10 KO02DD > KO01GI 55.9 miles 349° 2025-02-05 01:55:10
SQ5APT-9 18 2025-02-01 10:49:24 2025-02-02 12:23:33 KO02VE > KO01GI 77.3 miles 41° 2025-02-02 12:23:33
SP5MRF 17 2025-02-02 18:53:24 2025-02-05 03:41:16 KO02LE > KO01GI 59.5 miles 16° 2025-02-05 03:41:16
SQ5BPD-1 2 2025-02-04 22:36:11 2025-02-05 05:56:12 KO03EC > KO01GI 121.5 miles 356° 2025-02-05 05:56:12
SQ5KP 26 2025-02-02 10:57:06 2025-02-05 14:59:07 KO01OX > KO01GI 50.9 miles 31° 2025-02-05 14:59:07
SR9KFZ 124 2025-01-31 19:48:45 2025-02-06 09:46:22 JO90NU > KO01GI 71.9 miles 241° 2025-02-06 09:46:22
SR5WIL 104 2025-01-31 20:17:35 2025-02-06 09:49:51 KO02NF > KO01GI 65.0 miles 20° 2025-02-06 09:49:51
SQ5LTL-9 36 2025-02-03 00:51:24 2025-02-03 02:59:06 JO91SP > KO01GI 48.2 miles 294° 2025-02-03 02:59:06
SQ5KP-9 2 2025-02-04 23:38:51 2025-02-05 01:55:50 KO02NA > KO01GI 51.5 miles 28° 2025-02-04 23:38:51
SP7CHR-1 5 2025-02-01 13:00:42 2025-02-04 12:24:39 JO91RT > KO01GI 57.0 miles 303° 2025-02-04 12:24:39
SQ5BLC-9 3 2025-02-02 22:56:51 2025-02-02 23:19:07 KO02SE > KO01GI 71.2 miles 35° 2025-02-02 22:56:51
SP7THC 29 2025-01-31 19:54:25 2025-02-06 09:07:59 KO01OA > KO01GI 36.1 miles 131° 2025-02-03 02:14:42
SR9WXY 1 2025-02-03 13:03:50 2025-02-03 13:03:50 JN99SO > KO01GI 130.8 miles 201° 2025-02-03 13:03:50
SP5MNL-9 1 2025-02-04 10:19:23 2025-02-04 10:19:23 KO02LD > KO01GI 56.8 miles 18° 2025-02-04 10:19:23
SR5NLK-1 15 2025-02-02 14:33:10 2025-02-05 16:23:00 KO02LJ > KO01GI 72.0 miles 12° 2025-02-05 16:23:00
SQ5BUJ-9 16 2025-02-01 06:11:21 2025-02-01 07:37:57 KO00CM > KO01GI 58.8 miles 196° 2025-02-01 07:37:57
SP9POL-9 73 2025-02-05 04:39:45 2025-02-06 09:02:51 KO02LB > KO01GI 51.1 miles 18° 2025-02-05 04:39:45
SQ5WTM-9 4 2025-02-01 09:13:55 2025-02-05 08:47:53 JO91TQ > KO01GI 47.8 miles 300° 2025-02-05 08:47:53
SQ7AN-9 1 2025-02-05 11:30:49 2025-02-05 11:30:49 JO91QQ > KO01GI 57.7 miles 295° 2025-02-05 11:30:49
SP5BRH-9 10 2025-02-01 03:29:21 2025-02-06 06:53:48 KO01NJ > KO01GI 25.5 miles 85° 2025-02-06 06:53:48
SQ7FPH-5 1 2025-02-03 09:36:57 2025-02-03 09:36:57 KO00HU > KO01GI 35.3 miles 176° 2025-02-03 09:36:57
SQ5MPG-2 44 2025-02-02 00:52:47 2025-02-02 10:45:08 KO02LB > KO01GI 50.4 miles 19° 2025-02-02 00:52:47
SP3KQV-1 1 2025-02-04 16:08:41 2025-02-04 16:08:41 JO91AR > KO01GI 110.7 miles 285° 2025-02-04 16:08:41
SR7NSI 1 2025-02-03 11:55:09 2025-02-03 11:55:09 JO91IO > KO01GI 80.7 miles 282° 2025-02-03 11:55:09
SQ5PEX-1 21 2025-01-31 23:51:41 2025-02-05 22:21:16 KO12BN > KO01GI 107.7 miles 38° 2025-02-05 22:21:16
SR8KRS 4 2025-02-02 18:13:58 2025-02-05 15:53:51 KO10BX > KO01GI 73.9 miles 111° 2025-02-05 15:53:51
SP9EPI-2 102 2025-01-31 19:20:16 2025-02-06 09:56:52 JO91XE > KO01GI 29.6 miles 249° 2025-02-06 09:56:52
SP8ALT-9 4 2025-02-01 08:24:19 2025-02-01 09:46:26 KO00NU > KO01GI 42.2 miles 144° 2025-02-01 09:46:26
SR7EOP 882 2025-01-31 19:03:13 2025-02-06 09:48:01 KO01DI > KO01GI 12.0 miles 273° 2025-02-06 09:48:01
SP7PA108 1 2025-02-02 05:42:42 2025-02-02 05:42:42 KO01RA > KO01GI 43.9 miles 122° 2025-02-02 05:42:42
SQ7BFI-7 1 2025-02-05 02:14:43 2025-02-05 02:14:43 KO01CF > KO01GI 19.6 miles 243° 2025-02-05 02:14:43
SP7PGK108 54 2025-01-31 19:02:48 2025-02-06 09:44:08 JO91RR > KO01GI 53.8 miles 300° 2025-02-06 09:44:08
SP5CMW-7 33 2025-02-01 11:23:24 2025-02-02 07:02:39 KO01DS > KO01GI 30.8 miles 336° 2025-02-01 11:23:24
SQ7DUF-7 8 2025-02-01 10:20:08 2025-02-03 05:24:01 KO01NJ > KO01GI 23.8 miles 83° 2025-02-03 05:24:01
SP5KAB-3 15 2025-02-01 00:12:03 2025-02-05 02:48:18 KO02NG > KO01GI 67.2 miles 21° 2025-02-05 02:48:18
SR4LG 8 2025-02-03 06:45:30 2025-02-05 13:05:18 KO13AD > KO01GI 137.9 miles 27° 2025-02-05 13:05:18
SQ5FBI-2 1 2025-02-01 16:18:22 2025-02-01 16:18:22 KO02EA > KO01GI 46.3 miles 349° 2025-02-01 16:18:22
SQ5GLU-1 2 2025-02-02 17:16:34 2025-02-04 21:11:26 KO02LF > KO01GI 61.2 miles 16° 2025-02-04 21:11:26
SP5XTF-6 6 2025-02-01 08:14:06 2025-02-01 12:32:51 KO01KS > KO01GI 30.9 miles 28° 2025-02-01 08:14:06
SP5ZB-9 2 2025-02-01 06:22:06 2025-02-01 06:52:34 KO01LP > KO01GI 26.9 miles 38° 2025-02-01 06:22:06
SQ8EPL-5 1 2025-02-01 02:26:10 2025-02-01 02:26:10 OM44JE > KO01GI 4346.8 miles 68° 2025-02-01 02:26:10
SQ7AYZ-9 2 2025-02-01 06:37:01 2025-02-05 00:54:34 JO91PT > KO01GI 62.7 miles 300° 2025-02-05 00:54:34
SR3KFM 3 2025-02-05 03:07:13 2025-02-05 10:37:13 JO92DF > KO01GI 115.7 miles 302° 2025-02-05 10:37:13
SP7WF-9 3 2025-02-01 00:30:31 2025-02-05 22:58:25 KO01OW > KO01GI 47.8 miles 35° 2025-02-02 23:17:39
SN7I-5 31 2025-02-03 23:48:05 2025-02-06 08:58:11 JO91TQ > KO01GI 47.7 miles 299° 2025-02-04 01:33:58
SQ5CJZ 1 2025-02-06 04:46:09 2025-02-06 04:46:09 KO02JD > KO01GI 55.6 miles 10° 2025-02-06 04:46:09
SR5WOT-1 10 2025-02-02 22:26:09 2025-02-05 23:24:44 KO02LF > KO01GI 63.0 miles 13° 2025-02-05 23:24:44
SR5KAC 77 2025-01-31 19:01:39 2025-02-06 08:58:54 KO01TT > KO01GI 55.4 miles 56° 2025-02-06 08:58:54
SQ7HGB-2 3 2025-02-01 12:59:10 2025-02-05 15:32:07 KO01OJ > KO01GI 26.5 miles 82° 2025-02-05 15:32:07
SP7BRK-7 1 2025-02-01 10:05:03 2025-02-01 10:05:03 JO91WJ > KO01GI 29.0 miles 272° 2025-02-01 10:05:03
SQ5JMO-9 1 2025-02-04 02:06:42 2025-02-04 02:06:42 KO02PC > KO01GI 59.8 miles 29° 2025-02-04 02:06:42
SQ7GK-9 134 2025-02-03 03:20:06 2025-02-04 02:44:44 JO92FA > KO01GI 100.3 miles 298° 2025-02-04 02:44:44
SQ5GLU-2 4 2025-02-02 15:35:32 2025-02-04 19:26:45 KO02LF > KO01GI 61.2 miles 16° 2025-02-04 19:26:45
SO5DD-9 7 2025-02-01 06:47:31 2025-02-02 03:51:38 KO02GA > KO01GI 44.7 miles 357° 2025-02-02 03:51:38
SQ5RDD-9 3 2025-02-05 20:53:56 2025-02-05 21:21:59 JO91UV > KO01GI 52.2 miles 317° 2025-02-05 21:21:59
SP5LIP 3 2025-02-04 17:05:30 2025-02-05 10:08:25 KO02ME > KO01GI 60.2 miles 20° 2025-02-05 10:08:25

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.
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