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APRS station SP9DLM-2 - show graphs
Comment: LoRa APRS Digi/iGate 434.855 @1k2
Last status: https://github.com/richo
Location: 50°18.93' N 18°52.92' E - locator JO90KH55UR - show map
2.0 miles Northwest bearing 310° from Świętochłowice, Świętochłowice, Silesian Voivodeship, Poland [?]
4.1 miles North bearing 16° from Ruda Śląska, Ruda Śląska, Silesian Voivodeship, Poland
7.5 miles Northwest bearing 302° from Katowice, Silesian Voivodeship, Poland
48.5 miles West bearing 290° from Kraków, Lesser Poland Voivodeship, Poland
Last position: 2024-12-23 22:17:53 EST (11m20s ago)
2024-12-24 04:17:53 CET local time at Świętochłowice, Poland [?]
Last telemetry: 2024-08-08 04:41:56 EDT (137d 18h47m ago) – show telemetry
Battery: 574.600 Percent, Charging/AC: 2 Charge/On/Off, GPS+Sat: 2 Sats/On/Off, Current: 128 mA, A5: 0 N/A
 A/C     Charging     GPS     B4     B5     B6     B7     B8 
Device: Ricardo, CA2RXU: ESP32 LoRa iGate (igate)
Last path: SP9DLM-2>APLRG1 via SP9WD-10*,qAR,SQ9PD-10 (good)
Positions stored: 7630
Packet rate: 203 seconds between packets on average during 9946 seconds.
Other SSIDs: SP9DLM SP9DLM-9 SP9DLM-7 SP9DLM-10 SP9DLM-4 SP9DLM-3 SP9DLM-11
APRS igate – Statistics for 2024-12:
Stations heard directly: 73 on radio path – show map
Last heard a station directly: 2024-12-23 22:26:55 EST (2m18s ago)
Normal receiver range estimate: 37 miles (Updated: 2024-12-23 21:35:19 EST)
Position packets heard directly: 22727 on radio path
Position packets sent to APRS-IS: 13536 – show map
Stations near current position of SP9DLM-2 - show more
callsign distance last heard - EST      callsign distance last heard - EST
SP9DLM20.5 yards 207°2024-12-23 22:16:44 SP9DLM-738.8 yards 221°2024-12-07 08:11:07
SP9DLM-9115.2 yards 240°2024-12-14 08:30:39 SP9KGB-7188.9 yards 225°2024-12-23 22:26:55
SP9KGB-12293.0 yards 246°2024-12-22 11:52:34 SP9KGB-90.4 miles 274°2024-12-21 09:46:35
SP9KMG-70.7 miles 328°2024-12-22 07:21:24 SQ9NKU-90.9 miles 170°2024-12-13 08:46:17
FW64341.1 miles 6°2024-12-23 15:43:17 SP9MZB-91.8 miles 107°2024-12-23 13:03:10
SP9KLA1.9 miles 77°2024-12-21 07:33:34 SP9KLA-71.9 miles 77°2024-12-21 10:07:36
SP9KLA B1.9 miles 76°2024-12-14 16:25:19 SP9KLA-B1.9 miles 76°2024-12-14 16:25:29
SP9MZB2.3 miles 71°2024-11-27 09:03:23 SP9MZB-182.3 miles 72°2024-12-21 22:43:59
SP6TPX-72.8 miles 106°2024-12-22 11:17:52 SP6TPX2.8 miles 106°2024-12-23 12:53:08
SP6TPX-D2.8 miles 106°2024-12-23 19:25:57 SP9WJ-32.8 miles 189°2024-12-23 22:21:09
Stations which heard SP9DLM-2 directly on radio –
callsign pkts first heard - EST last heard longest (tx => rx) longest at - EST
SP9BIF 1 2024-12-04 02:17:36 2024-12-04 02:17:36 JO90KH > JO90IG 9.6 miles 259° 2024-12-04 02:17:36
SQ9KRJ-10 28 2024-12-05 19:47:24 2024-12-23 06:23:55 JO90KH > JN99MS 37.4 miles 168° 2024-12-23 06:23:55
SR9SRC-2 2890 2024-11-30 19:13:10 2024-12-23 22:17:07 JO90KH > JO90BC 34.9 miles 247° 2024-12-23 22:17:07
SP9XDS 1 2024-12-18 22:02:33 2024-12-18 22:02:33 JO90KH > JO90QE 22.4 miles 109° 2024-12-18 22:02:33
SP8AA-14 1 2024-12-05 13:17:28 2024-12-05 13:17:28 JO90KH > JO90KH 1.4 miles 226° 2024-12-05 13:17:28
SP9BIF-2 151 2024-12-01 07:32:30 2024-12-22 13:00:22 JO90KH > JO90IG 9.6 miles 259° 2024-12-22 13:00:22
SP9INZ-10 855 2024-12-06 16:47:23 2024-12-23 21:47:13 JO90KH > JO90OH 13.3 miles 97° 2024-12-23 21:47:13
SQ9IWE-3 364 2024-11-30 19:13:10 2024-12-23 02:31:55 JO90KH > JO90OG 13.6 miles 100° 2024-12-23 02:31:55
SP6TPX-2 300 2024-12-01 12:32:51 2024-12-22 04:02:32 JO90KH > JO90LH 3.4 miles 112° 2024-12-22 04:02:32
SP9QLJ-3 731 2024-12-01 11:17:39 2024-12-23 07:03:44 JO90KH > JO90OI 15.6 miles 84° 2024-12-23 07:03:44
SP9XDS-3 196 2024-12-02 03:02:30 2024-12-22 17:47:09 JO90KH > JO90PF 18.0 miles 109° 2024-12-22 17:47:09
SP6MPK-2 4 2024-12-08 02:32:32 2024-12-08 05:02:29 JO90KH > JO80XB 45.5 miles 247° 2024-12-08 05:02:29
SP9LJE-11 9 2024-12-01 01:02:30 2024-12-07 18:14:15 JO90KH > JO90EV 44.1 miles 332° 2024-12-07 18:14:15
SP6PWT-10 2 2024-12-01 04:47:35 2024-12-01 04:48:21 JO90KH > JO81NC 95.5 miles 305° 2024-12-01 04:48:21
SQ9CXE-5 28 2024-12-02 01:02:28 2024-12-20 09:47:24 JO90KH > JO90RP 32.0 miles 47° 2024-12-20 09:47:24
SP9KLA-7 1 2024-12-15 21:02:21 2024-12-15 21:02:21 JO90KH > JO90NH 9.2 miles 90° 2024-12-15 21:02:21
SQ9IDT-1 51 2024-12-01 09:32:38 2024-12-21 18:32:18 JO90KH > JO90LI 3.3 miles 37° 2024-12-21 18:32:18
SQ9IDE-11 89 2024-12-02 04:17:28 2024-12-23 19:02:18 JO90KH > JN99KX 22.0 miles 180° 2024-12-23 19:02:18
SQ6IUS-11 6 2024-12-01 03:32:56 2024-12-01 05:48:45 JO90KH > JO81MH 105.7 miles 311° 2024-12-01 05:48:45
SP9MAI-2 7 2024-12-06 15:47:40 2024-12-22 10:02:25 JO90KH > JO90PU 40.1 miles 27° 2024-12-22 10:02:25
SP9WP-2 186 2024-12-01 09:14:18 2024-12-23 16:22:39 JO90KH > JO90LI 3.2 miles 33° 2024-12-10 17:39:30
SQ9CH-1 352 2024-11-30 19:02:29 2024-12-22 17:02:16 JO90KH > JO90NG 11.5 miles 103° 2024-12-22 17:02:16
SQ9CH-2 360 2024-11-30 21:17:29 2024-12-22 17:46:35 JO90KH > JO90NF 12.4 miles 114° 2024-12-22 17:46:35
SP9KSK-3 1 2024-12-13 12:32:20 2024-12-13 12:32:20 JO90KH > KO00CA 62.0 miles 109° 2024-12-13 12:32:20
SQ9KFZ-2 409 2024-12-01 05:47:32 2024-12-23 22:17:09 JO90KH > JO90NU 37.6 miles 16° 2024-12-23 22:17:09
SP8AA-11 2 2024-12-03 13:17:55 2024-12-04 13:32:43 JO90KH > KN09XX 137.0 miles 98° 2024-12-04 13:32:43
SQ9DHD-2 31 2024-12-02 09:17:32 2024-12-22 01:17:11 JO90KH > JO90JH 4.9 miles 279° 2024-12-22 01:17:11
SQ9P-4 369 2024-11-30 22:17:29 2024-12-21 07:47:10 JO90KH > JN99NT 36.3 miles 160° 2024-12-21 07:47:10
SP9MIB-2 76 2024-12-01 22:18:03 2024-12-08 19:02:21 JO90KH > JO90PR 35.4 miles 34° 2024-12-08 19:02:21
SP9WJ-3 36 2024-12-10 11:17:20 2024-12-21 23:02:11 JO90KH > JO90KG 2.8 miles 189° 2024-12-21 23:02:11
SP9XDS-2 2 2024-12-18 22:02:22 2024-12-18 22:17:23 JO90KH > JO90QE 22.4 miles 109° 2024-12-18 22:17:23
SP9MIK-10 2210 2024-11-30 19:32:28 2024-12-23 22:17:45 JO90KH > JO90OH 12.6 miles 90° 2024-12-23 22:17:45
SP6AII-2 16 2024-11-30 20:06:30 2024-12-04 20:47:25 JO90KH > JO80UJ 53.4 miles 277° 2024-12-04 20:47:25
SQ9PD-10 1205 2024-11-30 19:47:30 2024-12-23 22:17:16 JO90KH > JO90MC 16.8 miles 161° 2024-12-23 22:17:16
SP9JRL-3 48 2024-12-02 01:32:31 2024-12-04 12:47:31 JO90KH > JO90SJ 28.9 miles 81° 2024-12-04 12:47:31
SQ9IS-10 419 2024-12-01 08:47:29 2024-12-23 19:53:02 JO90KH > JO90JJ 5.3 miles 322° 2024-12-23 19:53:02
SP9AL-2 1 2024-12-15 14:05:47 2024-12-15 14:05:47 JO90KH > KO00AB 52.5 miles 107° 2024-12-15 14:05:47
SP9MAI-3 233 2024-12-01 14:32:30 2024-12-23 22:17:09 JO90KH > JO90PQ 32.3 miles 33° 2024-12-23 22:17:09
SQ9JJR-1 35 2024-12-02 08:47:37 2024-12-04 00:47:32 JO90KH > JO90HI 10.9 miles 280° 2024-12-04 00:47:32
SQ9SIM-3 134 2024-12-02 04:47:32 2024-12-21 09:02:09 JO90KH > JO90MG 7.0 miles 124° 2024-12-21 09:02:09
SQ9KRJ-9 96 2024-12-02 03:17:27 2024-12-20 16:05:22 JO90KH > JN99MT 34.6 miles 168° 2024-12-20 16:05:22
SP9INZ-11 2 2024-12-06 16:17:30 2024-12-06 16:47:26 JO90KH > JO90OH 13.3 miles 97° 2024-12-06 16:47:26
SP9HP-10 9 2024-12-14 20:47:15 2024-12-15 19:07:34 JO90KH > JO90LC 14.3 miles 164° 2024-12-15 19:07:34
SP9WD-10 866 2024-12-09 05:03:39 2024-12-23 22:17:53 JO90KH > JO90LC 15.1 miles 160° 2024-12-23 22:17:53
SQ9UKL-1 129 2024-12-15 12:47:20 2024-12-23 15:17:39 JO90KH > JO90TE 35.6 miles 106° 2024-12-23 15:17:39

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 SP9DLM-2
callsign pkts first heard - EST last heard longest (rx => tx) longest at - EST
SQ9IWE-9 8 2024-12-04 12:27:54 2024-12-18 14:15:18 JO90OH > JO90KH 12.9 miles 94° 2024-12-12 13:35:22
SP9AMH-9 23 2024-12-04 07:05:18 2024-12-18 09:26:22 JN99PS > JO90KH 41.3 miles 151° 2024-12-12 07:00:06
SQ6NDL-9 458 2024-12-01 07:38:22 2024-12-23 14:08:15 JO80RN > JO90KH 65.6 miles 286° 2024-12-19 23:15:19
SQ9SIM-5 10 2024-12-07 13:20:10 2024-12-16 00:52:22 JO90NG > JO90KH 10.8 miles 102° 2024-12-07 13:20:10
SQ9SIM-7 3 2024-12-13 03:04:53 2024-12-20 08:44:59 KN16BG > JO90KH 317.7 miles 151° 2024-12-20 08:44:59
SQ9KFP-14 15 2024-12-11 20:34:52 2024-12-11 21:59:57 JO90IF > JO90KH 9.4 miles 235° 2024-12-11 20:34:52
SQ9IWE 1 2024-12-19 03:56:26 2024-12-19 03:56:26 JO90NG > JO90KH 10.7 miles 101° 2024-12-19 03:56:26
SP9SVH-11 6 2024-12-19 14:53:51 2024-12-19 15:11:53 JO90MG > JO90KH 6.8 miles 126° 2024-12-19 15:11:53
SP6OOL-7 44 2024-12-15 08:39:49 2024-12-15 12:53:07 JO90IK > JO90KH 11.1 miles 314° 2024-12-15 12:53:07
SP8AA-14 442 2024-12-02 12:01:03 2024-12-23 14:41:19 JO90UC > JO90KH 39.4 miles 113° 2024-12-03 11:59:52
SP9BIF-2 596 2024-11-30 19:21:11 2024-12-23 18:51:17 JO90IG > JO90KH 9.6 miles 259° 2024-12-23 18:51:17
SP7TBS-9 8 2024-12-03 03:24:40 2024-12-03 08:04:46 JO90SL > JO90KH 30.3 miles 65° 2024-12-03 03:24:40
SP9INZ-10 6 2024-12-06 17:11:53 2024-12-19 12:05:56 JO90OH > JO90KH 13.3 miles 97° 2024-12-19 12:05:56
SP7TBS-7 36 2024-12-03 06:34:08 2024-12-23 04:45:33 JO90FJ > JO90KH 18.2 miles 283° 2024-12-21 06:36:06
SQ9IWE-3 59 2024-12-01 11:10:09 2024-12-22 21:45:51 JO90OG > JO90KH 13.6 miles 100° 2024-12-22 21:45:51
SP9DLM-7 430 2024-12-01 04:41:13 2024-12-07 08:11:07 JO90IH > JO90KH 8.9 miles 265° 2024-12-06 08:34:48
SQ9NJE 32 2024-11-30 22:12:20 2024-12-09 17:34:01 JO90MG > JO90KH 6.3 miles 113° 2024-12-09 17:34:01
SP6TPX-2 246 2024-12-01 00:06:47 2024-12-23 18:39:32 JO90LH > JO90KH 3.4 miles 112° 2024-12-23 18:39:32
SQ9ST-2 1 2024-12-07 05:13:44 2024-12-07 05:13:44 JO90LC > JO90KH 14.9 miles 162° 2024-12-07 05:13:44
SP9KON-7 424 2024-12-03 14:59:03 2024-12-14 18:11:55 JO90AL > JO90KH 37.6 miles 288° 2024-12-03 14:59:03
SP9MOC-9 12 2024-12-03 02:09:50 2024-12-10 07:41:19 JO90MJ > JO90KH 8.9 miles 44° 2024-12-03 02:09:50
SP9BOT-9 4 2024-12-17 13:30:06 2024-12-17 14:03:14 JO90CL > JO90KH 33.0 miles 288° 2024-12-17 13:30:06
SQ9JWK-9 3 2024-12-07 13:17:01 2024-12-07 13:23:20 JO90MF > JO90KH 7.0 miles 131° 2024-12-07 13:23:20
SP9QLJ-3 155 2024-11-30 20:57:30 2024-12-23 13:54:57 JO90OI > JO90KH 15.6 miles 84° 2024-12-23 13:54:57
SP9TT-2 2479 2024-11-30 19:04:25 2024-12-23 22:21:34 JO90KK > JO90KH 9.1 miles 352° 2024-12-23 22:21:34
SP9MZB-7 147 2024-12-02 02:33:38 2024-12-23 06:13:21 JO90MH > JO90KH 5.4 miles 101° 2024-12-20 11:51:43
SP9KGB-7 8586 2024-11-30 19:01:28 2024-12-23 22:26:55 JO90KH > JO90KH 188.9 yards 225° 2024-12-23 22:26:55
SP9XDS-3 197 2024-12-01 04:27:04 2024-12-23 19:09:43 JO90PF > JO90KH 18.1 miles 109° 2024-12-23 19:09:43
SQ9CXE-4 57 2024-12-01 08:44:00 2024-12-23 16:06:55 JO90PM > JO90KH 23.7 miles 49° 2024-12-01 08:44:00
SQ9NRF-7 1 2024-12-22 10:02:37 2024-12-22 10:02:37 JO90OH > JO90KH 12.8 miles 95° 2024-12-22 10:02:37
SP9LJE-11 3 2024-12-01 10:51:07 2024-12-01 12:21:32 JO90EV > JO90KH 44.1 miles 332° 2024-12-01 12:21:32
SQ9LDR-7 83 2024-12-02 01:53:35 2024-12-22 08:29:43 JO90RD > JO90KH 28.2 miles 115° 2024-12-22 08:29:43
SP9WPN-12 423 2024-12-01 19:09:40 2024-12-23 18:42:56 JO90LH > JO90KH 3.1 miles 67° 2024-12-23 18:42:56
SQ9BR-7 4 2024-12-02 06:39:36 2024-12-02 15:28:49 JO90MG > JO90KH 7.0 miles 121° 2024-12-02 15:28:49
SQ9CXE-5 1 2024-12-08 02:42:10 2024-12-08 02:42:10 JO90RP > JO90KH 32.0 miles 47° 2024-12-08 02:42:10
SP9KLA-7 728 2024-12-01 05:55:27 2024-12-21 06:16:13 JO90MJ > JO90KH 10.1 miles 47° 2024-12-03 02:21:29
SQ9IDT-1 279 2024-12-01 01:59:09 2024-12-23 13:14:39 JO90LI > JO90KH 3.3 miles 37° 2024-12-23 13:14:39
SQ9IDE-11 85 2024-12-01 02:12:20 2024-12-23 14:05:06 JN99KX > JO90KH 22.0 miles 180° 2024-12-23 14:05:06
SQ6IUS-11 1 2024-12-01 04:38:39 2024-12-01 04:38:39 JO81MH > JO90KH 105.7 miles 311° 2024-12-01 04:38:39
SQ9DHD-7 1421 2024-12-02 11:36:23 2024-12-19 10:30:03 JO90JI > JO90KH 5.3 miles 311° 2024-12-09 09:33:12
SP9TPZ-9 225 2024-12-01 13:01:44 2024-12-23 10:43:19 JO90HD > JO90KH 15.4 miles 220° 2024-12-15 05:12:22
SP9WD-7 10 2024-12-03 03:41:57 2024-12-09 10:51:21 JO90LC > JO90KH 14.8 miles 163° 2024-12-03 03:41:57
SP9WP-2 277 2024-11-30 19:35:02 2024-12-23 21:54:53 JO90LI > JO90KH 3.2 miles 34° 2024-12-20 16:52:49
SQ9CH-1 45 2024-12-01 10:21:05 2024-12-22 04:54:36 JO90NG > JO90KH 11.5 miles 103° 2024-12-22 04:54:36
SQ9CH-12 28 2024-12-01 10:22:23 2024-12-04 00:56:29 JO90OH > JO90KH 12.9 miles 94° 2024-12-02 10:20:04
SQ9ALW-9 33 2024-12-01 15:26:57 2024-12-15 15:25:00 JO90SC > JO90KH 33.3 miles 117° 2024-12-15 15:25:00
SQ5SKB-11 45 2024-12-16 03:36:20 2024-12-20 06:06:36 JO90MO > JO90KH 20.5 miles 20° 2024-12-16 04:41:24
SQ9KFZ-2 194 2024-11-30 19:18:39 2024-12-23 17:52:43 JO90NU > JO90KH 37.6 miles 16° 2024-12-23 17:52:43
SP6RVW-9 5 2024-12-07 06:01:34 2024-12-08 13:57:31 JO90IQ > JO90KH 27.8 miles 343° 2024-12-07 06:02:06
SQ9ONP-7 434 2024-12-02 01:54:01 2024-12-23 04:30:17 JO90CK > JO90KH 31.2 miles 285° 2024-12-11 02:37:01
SQ9DHD-2 584 2024-11-30 21:40:14 2024-12-23 21:26:56 JO90JH > JO90KH 4.9 miles 279° 2024-12-23 18:41:35
SQ2DW-7 72 2024-12-09 11:26:12 2024-12-19 05:20:02 JO90IC > JO90KH 17.1 miles 213° 2024-12-12 04:23:23
SQ9P-4 800 2024-11-30 19:10:26 2024-12-21 08:40:02 JN99NT > JO90KH 36.3 miles 160° 2024-12-21 08:40:02
SP9MIB-2 1 2024-12-01 12:43:07 2024-12-01 12:43:07 JO90PR > JO90KH 35.4 miles 34° 2024-12-01 12:43:07
SP9WJ-3 1094 2024-12-09 08:00:42 2024-12-23 22:21:09 JO90KG > JO90KH 2.8 miles 189° 2024-12-23 22:21:09
SQ6OXF-7 16 2024-12-04 05:33:26 2024-12-04 07:00:23 JO90IJ > JO90KH 10.1 miles 311° 2024-12-04 07:00:23
SP6AII-2 1 2024-12-08 04:22:47 2024-12-08 04:22:47 JO80UJ > JO90KH 53.4 miles 277° 2024-12-08 04:22:47
SP9MIK-9 1 2024-12-01 11:24:30 2024-12-01 11:24:30 JO90OH > JO90KH 12.7 miles 90° 2024-12-01 11:24:30
SQ9PD-10 306 2024-11-30 20:22:43 2024-12-22 09:45:14 JO90MC > JO90KH 16.8 miles 161° 2024-12-22 09:45:14
SQ9IS-9 430 2024-12-02 00:43:35 2024-12-23 15:24:03 JO90HC > JO90KH 17.7 miles 213° 2024-12-07 04:37:18
SP9KMG-7 129 2024-12-01 21:49:45 2024-12-22 07:21:24 JO90DK > JO90KH 26.5 miles 291° 2024-12-18 15:58:45
SO9E-1 95 2024-11-30 21:26:54 2024-12-23 18:57:18 JN99XU > JO90KH 57.2 miles 124° 2024-12-23 18:57:18
SQ9IS-10 76 2024-11-30 21:52:41 2024-12-23 08:58:24 JO90JJ > JO90KH 5.3 miles 322° 2024-12-23 08:58:24
SP8TJU-7 2 2024-12-04 04:27:35 2024-12-04 04:28:06 JO90MF > JO90KH 9.6 miles 125° 2024-12-04 04:27:35
SP9HP-7 6 2024-12-07 09:36:58 2024-12-12 14:41:54 JO90LC > JO90KH 14.3 miles 164° 2024-12-07 09:36:58
SQ7JHS-9 2 2024-12-01 08:45:43 2024-12-01 08:46:16 JO90MO > JO90KH 20.7 miles 21° 2024-12-01 08:45:43
SP9MAI-3 121 2024-11-30 21:02:35 2024-12-23 10:43:37 JO90PQ > JO90KH 32.3 miles 33° 2024-12-23 10:43:37
SP9QLJ-7 22 2024-12-01 09:44:36 2024-12-16 09:26:46 JO90NI > JO90KH 9.9 miles 76° 2024-12-08 08:49:31
SQ9KRJ-9 1 2024-12-19 19:21:08 2024-12-19 19:21:08 JN99MT > JO90KH 34.6 miles 168° 2024-12-19 19:21:08
SP9TKN-7 101 2024-12-01 06:57:56 2024-12-10 00:28:50 JO90SC > JO90KH 33.1 miles 117° 2024-12-02 02:44:11
SP9RF-9 2 2024-12-02 05:36:29 2024-12-02 05:37:08 JO90MF > JO90KH 7.9 miles 129° 2024-12-02 05:36:29
SP0KS-8 46 2024-12-04 13:23:20 2024-12-06 17:44:19 JO90HG > JO90KH 9.7 miles 258° 2024-12-06 16:10:30
SP9WD-10 6 2024-12-22 11:09:37 2024-12-22 17:08:57 JO90LC > JO90KH 15.1 miles 160° 2024-12-22 17:08:57

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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