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APRS station HB9ZZ-1 - show graphs
Comment: APRS-Digi of Funkbude ETHZ sysop@swiss-aprs.ch
Location: 47°22.66' N 8°33.16' E - locator JN47GJ60HP - show map
0.8 miles North bearing 9° from Zürich, Bezirk Zürich, Zurich, Switzerland [?]
2.7 miles Northeast bearing 59° from Zürich (Kreis 3) (Zuerich (Kreis 3)), Bezirk Zürich, Zurich, Switzerland
4.0 miles Northeast bearing 54° from Sellenbüren (Sellenbueren), Bezirk Affoltern, Zurich, Switzerland
53.7 miles Southeast bearing 142° from Freiburg, Regierungsbezirk Freiburg, Baden-Württemberg, Germany
Last position: 2024-05-20 16:06:45 EDT (5m23s ago)
2024-05-20 22:06:45 CEST local time at Zürich, Switzerland [?]
Last telemetry: 2024-05-20 16:00:03 EDT (12m5s ago) – show telemetry
Avg 10m: 0.087 Rx Erlang, Avg 10m: 0.028 Tx Erlang, RxPkts: 74 count/10m, IGateDropRx: 0 count/10m, TxPkts: 18 count/10m
Device: Kenneth W. Finnegan, W6KWF: Aprx (igate, Linux/Unix)
Last path: HB9ZZ-1>APRX28 via TCPIP*,qAS,HB9TYU
Positions stored: 12
Packet rate: 318 seconds between packets on average during 15577 seconds.
APRS igate – Statistics for 2024-05:
Stations heard directly: 99 on radio path – show map
Last heard a station directly: 2024-05-20 16:11:42 EDT (26s ago)
Normal receiver range estimate: 50 miles (Updated: 2024-05-20 15:30:24 EDT)
Position packets heard directly: 16051 on radio path
Position packets sent to APRS-IS: 8980 – show map
Stations near current position of HB9ZZ-1 - show more
callsign distance last heard - EDT      callsign distance last heard - EDT
HB9GWR28.0 yards 270°2024-04-27 09:49:07 HB9CJD0.4 miles 171°2024-05-20 16:11:16
HB3XPA-10.5 miles 92°2024-05-19 02:39:16 HB3XTK B0.5 miles 209°2024-05-20 15:52:29
HB3XTK-B0.5 miles 209°2024-05-20 15:52:39 HB3XTK-R0.5 miles 209°2024-05-20 15:58:19
HB3XTK-10.6 miles 222°2024-05-17 06:20:14 HB3XTK-130.6 miles 222°2024-05-20 15:43:21
HB9TF-10.6 miles 80°2024-05-20 15:58:45 N7JMV-120.6 miles 292°2024-05-20 03:24:09
HB9CJD-10.7 miles 40°2024-05-20 16:04:01 HB9PWS-70.8 miles 246°2024-04-21 07:12:05
HB9AUR-81.0 miles 198°2024-05-14 11:34:14 HB9BXQ1.1 miles 184°2024-05-16 14:35:56
HB9BXQ-101.1 miles 183°2024-05-02 12:04:57 HB9BXQ-91.1 miles 184°2024-05-20 10:21:00
OE2DHH-71.3 miles 166°2024-05-10 11:55:17 HB3XAD-111.5 miles 255°2024-05-19 06:06:53
HB3XAD-51.8 miles 263°2024-05-19 06:16:13 HB3XAD-11.8 miles 263°2024-05-20 16:02:07
Stations which heard HB9ZZ-1 directly on radio –
callsign pkts first heard - EDT last heard longest (tx => rx) longest at - EDT
HB9ZF-1 1244 2024-05-01 01:24:14 2024-05-20 16:06:47 JN47GJ > JN47KG 16.6 miles 112° 2024-05-20 16:06:47
HB9ZF-3 2228 2024-04-30 20:05:29 2024-05-20 16:06:47 JN47GJ > JN47HL 9.2 miles 32° 2024-05-20 16:06:47
HB9TG 1 2024-05-07 00:43:40 2024-05-07 00:43:40 JN47GJ > JN47MM 23.8 miles 62° 2024-05-07 00:43:40
HB9ZCF-10 84 2024-05-01 14:20:40 2024-05-19 14:39:25 JN47GJ > JN47GL 6.3 miles 11° 2024-05-19 14:39:25
DB0TIT-10 88 2024-05-03 22:40:54 2024-05-10 21:37:49 JN47GJ > JN47CW 42.1 miles 339° 2024-05-10 21:37:49
DB0WBD-10 131 2024-05-14 21:47:21 2024-05-20 16:06:47 JN47GJ > JN47ET 32.4 miles 342° 2024-05-20 16:06:47
HB9FLD-11 2 2024-05-01 15:39:15 2024-05-13 13:25:09 JN47GJ > JN47CA 30.3 miles 215° 2024-05-13 13:25:09
DB0WV-10 11 2024-05-16 09:16:33 2024-05-20 12:33:25 JN47GJ > JN47QT 50.1 miles 52° 2024-05-20 12:33:25
HB9EUE-1 1 2024-05-17 04:25:34 2024-05-17 04:25:34 JN47GJ > JN47DK 11.4 miles 293° 2024-05-17 04:25:34
HB9NF-10 4 2024-05-16 13:35:13 2024-05-16 14:32:07 JN47GJ > JN47KJ 17.0 miles 88° 2024-05-16 14:32:07
HB9LU-11 3 2024-05-10 14:00:05 2024-05-19 18:31:59 JN47GJ > JN46EV 33.4 miles 195° 2024-05-19 18:31:59
HB9JA-11 42 2024-05-04 10:42:30 2024-05-05 12:25:04 JN47GJ > JN46HU 35.8 miles 172° 2024-05-05 12:25:04
HB9FEF-11 35 2024-05-05 00:08:00 2024-05-14 13:57:12 JN47GJ > JN37VL 38.1 miles 282° 2024-05-14 13:57:12
HB9AW-11 240 2024-05-01 01:15:48 2024-05-20 15:59:20 JN47GJ > JN37WB 39.3 miles 235° 2024-05-20 15:59:20
HB9ZG-1 1 2024-05-10 14:00:05 2024-05-10 14:00:05 JN47GJ > JN47FE 14.8 miles 203° 2024-05-10 14:00:05
HB9ZG-2 1 2024-05-19 15:27:21 2024-05-19 15:27:21 JN47GJ > JN47GA 24.2 miles 184° 2024-05-19 15:27:21
HB9AM-10 2 2024-05-15 07:44:31 2024-05-16 02:02:56 JN47GJ > JN47CK 17.3 miles 281° 2024-05-16 02:02:56
HB9GZW-1 1821 2024-05-03 19:43:59 2024-05-17 04:46:39 JN47GJ > JN47BJ 21.7 miles 277° 2024-05-17 04:46:39

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 HB9ZZ-1
callsign pkts first heard - EDT last heard longest (rx => tx) longest at - EDT
HB9ZF-1 204 2024-04-30 20:34:58 2024-05-20 14:44:50 JN47KG > JN47GJ 16.6 miles 112° 2024-05-20 14:44:50
HB9MTL 2 2024-05-06 11:03:51 2024-05-06 11:25:24 JN47IF > JN47GJ 12.9 miles 138° 2024-05-06 11:25:24
HB9BXQ-9 185 2024-05-04 07:58:16 2024-05-20 10:21:00 JN47LJ > JN47GJ 18.3 miles 89° 2024-05-20 05:15:25
F8KOX-4 37 2024-04-30 20:22:58 2024-05-18 11:46:29 JN37KT > JN47GJ 85.1 miles 291° 2024-05-18 11:46:29
HB9LU-10 718 2024-04-30 20:18:10 2024-05-20 15:47:27 JN47DB > JN47GJ 26.5 miles 210° 2024-05-20 15:47:27
HB9ZF-3 360 2024-04-30 22:17:16 2024-05-20 15:32:54 JN47HL > JN47GJ 9.2 miles 32° 2024-05-20 15:32:54
HB9KOM-9 10 2024-05-17 10:28:51 2024-05-17 11:30:14 JN47DK > JN47GJ 14.2 miles 292° 2024-05-17 11:30:14
HB9KBJ-9 4 2024-05-06 00:30:57 2024-05-06 03:35:03 JN47DK > JN47GJ 12.7 miles 296° 2024-05-06 00:30:57
HB9FEF-7 81 2024-05-01 06:10:27 2024-05-19 12:25:04 JN37VH > JN47GJ 35.0 miles 265° 2024-05-01 06:10:27
HB9EUE-9 116 2024-05-01 06:25:33 2024-05-19 05:48:40 JN47CK > JN47GJ 17.7 miles 287° 2024-05-16 12:09:29
HB9JCP-12 3 2024-05-07 08:49:16 2024-05-07 09:03:10 JN47BC > JN47GJ 27.0 miles 224° 2024-05-07 09:03:10
HB3YEZ-5 36 2024-05-01 01:46:25 2024-05-16 07:13:29 JN47IF > JN47GJ 12.8 miles 154° 2024-05-01 12:53:58
HB9EIZ-9 14 2024-05-17 05:36:47 2024-05-20 13:20:04 JN47CK > JN47GJ 15.6 miles 281° 2024-05-17 06:15:27
HB9EUE-7 2 2024-05-10 13:12:07 2024-05-19 11:25:54 JN47DK > JN47GJ 11.4 miles 293° 2024-05-19 11:25:54
DB0WBD-10 186 2024-05-01 06:00:43 2024-05-20 12:27:44 JN47ET > JN47GJ 32.4 miles 342° 2024-05-20 12:27:44
HB9DBR-7 7 2024-05-05 12:33:47 2024-05-11 13:33:52 JN47FK > JN47GJ 5.2 miles 322° 2024-05-11 13:06:31
HB9FHL-13 4752 2024-04-30 20:02:27 2024-05-20 16:08:55 JN47IE > JN47GJ 15.6 miles 158° 2024-05-20 16:08:55
HB9ELZ-9 11 2024-05-02 00:43:14 2024-05-04 11:41:22 JN47JI > JN47GJ 11.8 miles 93° 2024-05-02 23:18:55
HB9CF-1 2440 2024-04-30 20:07:24 2024-05-20 16:06:26 JN46GP > JN47GJ 50.7 miles 179° 2024-05-20 16:06:26
HB9CQZ-7 4 2024-05-01 09:09:38 2024-05-05 08:49:25 JN47CA > JN47GJ 30.0 miles 215° 2024-05-05 08:49:25
HB9NF-10 1785 2024-04-30 21:04:25 2024-05-20 16:11:42 JN47KJ > JN47GJ 17.0 miles 88° 2024-05-20 16:11:42
HB9FEV-9 19 2024-05-09 14:24:44 2024-05-20 12:15:45 JN47CD > JN47GJ 21.9 miles 224° 2024-05-20 12:15:45
HB9EUE-2 3 2024-05-10 04:51:39 2024-05-10 13:57:49 JN47DK > JN47GJ 11.5 miles 294° 2024-05-10 04:51:39
HB9EVZ-9 91 2024-05-01 01:16:37 2024-05-20 10:41:56 JN47HA > JN47GJ 25.4 miles 170° 2024-05-10 09:29:46
OE9FRV-9 28 2024-05-04 06:13:00 2024-05-04 17:55:55 JN47IE > JN47GJ 15.8 miles 150° 2024-05-04 06:14:13
DB0SAC 699 2024-04-30 20:12:02 2024-05-20 16:08:39 JN37XN > JN47GJ 31.0 miles 297° 2024-05-20 16:08:39
HB9ZCF-9 224 2024-05-01 23:52:55 2024-05-18 05:36:24 JN47EK > JN47GJ 11.1 miles 296° 2024-05-02 00:23:36
HB9WDF-7 1 2024-05-18 10:54:12 2024-05-18 10:54:12 JN46FW > JN47GJ 30.4 miles 187° 2024-05-18 10:54:12
HB9TF-1 395 2024-04-30 20:01:39 2024-05-20 15:58:48 JN47GJ > JN47GJ 0.6 miles 80° 2024-05-20 15:58:48
HB3XPA-1 387 2024-05-08 01:58:09 2024-05-19 02:37:34 JN47GJ > JN47GJ 2.2 miles 300° 2024-05-17 11:19:42
HB3YDM-9 27 2024-05-06 13:11:05 2024-05-12 06:46:51 JN47CK > JN47GJ 15.1 miles 287° 2024-05-06 13:55:15
HB9GYD-9 1 2024-05-18 07:25:17 2024-05-18 07:25:17 JN47BJ > JN47GJ 19.7 miles 273° 2024-05-18 07:25:17
HB9BXQ 119 2024-05-01 03:11:26 2024-05-07 20:01:09 JN47GI > JN47GJ 1.1 miles 184° 2024-05-07 20:01:09
HB9EAJ-7 3 2024-05-19 04:42:38 2024-05-19 05:21:52 JN47IA > JN47GJ 25.6 miles 161° 2024-05-19 04:42:38
HB0TR-9 23 2024-05-14 02:54:07 2024-05-14 08:34:05 JN47IE > JN47GJ 14.6 miles 149° 2024-05-14 02:54:07
HB9FZC-7 2 2024-05-18 04:51:41 2024-05-18 05:06:55 JN46BW > JN47GJ 36.6 miles 214° 2024-05-18 05:06:55
HB9DFI-7 34 2024-05-18 06:23:32 2024-05-18 07:01:27 JN47GG > JN47GJ 6.2 miles 173° 2024-05-18 07:01:27
HB9BEG-9 1 2024-05-13 02:58:41 2024-05-13 02:58:41 JN47CK > JN47GJ 16.7 miles 288° 2024-05-13 02:58:41
HB9MNP-9 3 2024-05-01 08:11:17 2024-05-01 09:41:04 JN47KF > JN47GJ 18.6 miles 127° 2024-05-01 09:41:04
HB9GZW-7 1 2024-05-15 11:39:57 2024-05-15 11:39:57 JN47BJ > JN47GJ 21.4 miles 277° 2024-05-15 11:39:57
HB9GSQ-9 6 2024-05-09 06:19:59 2024-05-20 04:40:31 JN37VI > JN47GJ 35.1 miles 269° 2024-05-20 04:40:31
HB9AW-11 1 2024-05-10 20:05:37 2024-05-10 20:05:37 JN37WB > JN47GJ 39.3 miles 235° 2024-05-10 20:05:37
HB9EFK-9 25 2024-05-03 12:06:58 2024-05-08 13:18:40 JN47CK > JN47GJ 17.7 miles 287° 2024-05-08 12:48:56
HB9XBO-9 32 2024-05-03 12:29:51 2024-05-18 11:14:41 JN47AK > JN47GJ 23.7 miles 280° 2024-05-18 10:41:07
OE1IAH-8 350 2024-05-14 02:57:21 2024-05-18 02:14:55 JN47JF > JN47GJ 16.2 miles 135° 2024-05-14 16:54:38
HB9ESX-9 2 2024-05-14 04:40:26 2024-05-14 04:40:57 JN47FJ > JN47GJ 3.5 miles 285° 2024-05-14 04:40:26
HB9HGL-7 1 2024-05-12 01:59:25 2024-05-12 01:59:25 JN47CD > JN47GJ 20.6 miles 225° 2024-05-12 01:59:25
HB9EYF-7 10 2024-05-18 07:29:29 2024-05-18 08:14:46 JN37WM > JN47GJ 34.7 miles 288° 2024-05-18 08:14:46
HB9FVI-7 7 2024-05-19 06:17:41 2024-05-19 07:50:29 JN47FB > JN47GJ 23.2 miles 191° 2024-05-19 07:50:29
HB9FPX-7 1 2024-05-18 03:32:51 2024-05-18 03:32:51 JN47CJ > JN47GJ 15.7 miles 280° 2024-05-18 03:32:51
HB9HFJ-7 14 2024-05-12 05:49:03 2024-05-12 08:14:33 JN47CE > JN47GJ 19.6 miles 231° 2024-05-12 05:49:03
HB9FDL-1 62 2024-05-03 12:51:35 2024-05-12 17:29:48 JN47CL > JN47GJ 18.5 miles 294° 2024-05-12 17:29:48
HB9HKZ-9 6 2024-05-04 06:27:25 2024-05-11 15:16:32 JN47AJ > JN47GJ 23.4 miles 273° 2024-05-04 06:27:25
HB9FZG-7 24 2024-05-02 13:10:57 2024-05-16 12:58:01 JN47JE > JN47GJ 16.6 miles 139° 2024-05-06 04:35:47
HB9EGA-9 3 2024-05-05 09:24:21 2024-05-15 02:35:25 JN47FJ > JN47GJ 3.9 miles 282° 2024-05-05 09:27:21
HB3XXN 11 2024-05-10 17:27:24 2024-05-12 01:33:06 JN47FB > JN47GJ 20.8 miles 189° 2024-05-12 01:33:06
HB9HMC-9 9 2024-05-02 09:47:10 2024-05-03 06:50:52 JN47KE > JN47GJ 21.1 miles 130° 2024-05-02 12:35:38
HB9DUQ-9 15 2024-05-08 10:48:46 2024-05-08 13:11:33 JN47JD > JN47GJ 18.4 miles 148° 2024-05-08 12:26:52
HB9HNQ-7 86 2024-05-15 03:25:07 2024-05-19 03:04:37 JN47CK > JN47GJ 16.6 miles 288° 2024-05-15 13:18:47
HB9WDF-9 8 2024-05-04 12:14:34 2024-05-05 05:09:00 JN47DB > JN47GJ 24.5 miles 214° 2024-05-04 12:14:34
HB9HOC-9 6 2024-05-17 05:21:27 2024-05-17 09:21:05 JN47JG > JN47GJ 15.5 miles 124° 2024-05-17 09:21:05
HB9HKT-7 2 2024-05-18 04:47:24 2024-05-18 04:52:28 JN46EQ > JN47GJ 47.8 miles 188° 2024-05-18 04:52:28
HB9FLB-9 38 2024-05-07 10:13:41 2024-05-16 23:12:02 JN37WI > JN47GJ 33.1 miles 270° 2024-05-12 08:41:24
HB3XAD-11 16 2024-05-01 06:43:20 2024-05-19 06:06:53 JN47GJ > JN47GJ 2.3 miles 311° 2024-05-19 05:54:23
HB9EKJ-9 3 2024-05-11 10:09:19 2024-05-18 05:51:47 JN46MX > JN47GJ 36.6 miles 142° 2024-05-11 10:09:19
HB3XVA-9 10 2024-05-04 14:41:39 2024-05-20 07:54:40 JN47DA > JN47GJ 27.5 miles 206° 2024-05-08 13:50:09
HB3XAD-5 141 2024-04-30 21:27:29 2024-05-19 06:16:16 JN47GK > JN47GJ 4.6 miles 333° 2024-05-18 22:01:39
OE2DHH-7 8 2024-05-10 10:27:38 2024-05-10 11:55:16 JN47GI > JN47GJ 1.6 miles 182° 2024-05-10 11:00:13
HB9LEM-9 208 2024-05-03 09:04:10 2024-05-19 11:53:36 JN47GH > JN47GJ 4.5 miles 192° 2024-05-12 08:41:14
HB9FDL-9 38 2024-05-02 01:32:57 2024-05-13 01:28:25 JN47BL > JN47GJ 20.0 miles 291° 2024-05-06 11:05:55
HB9LU-12 779 2024-04-30 21:25:02 2024-05-20 16:00:32 JN47CA > JN47GJ 28.9 miles 213° 2024-05-20 16:00:32
HB9GVB-9 17 2024-05-18 04:33:54 2024-05-18 06:33:34 JN47CK > JN47GJ 17.7 miles 287° 2024-05-18 04:33:54
IU2BEE-7 31 2024-05-06 06:34:36 2024-05-06 09:03:55 JN47JE > JN47GJ 16.7 miles 137° 2024-05-06 06:34:36
HB9HKR-9 106 2024-05-03 10:37:08 2024-05-12 08:07:43 JN07AL > JN47GJ 399.4 miles 274° 2024-05-04 06:37:27
HB3XEF 16 2024-05-11 09:38:54 2024-05-11 11:31:42 JN47FI > JN47GJ 4.1 miles 261° 2024-05-11 11:20:34
HB9GFX-6 5 2024-05-14 09:15:59 2024-05-14 09:18:57 JN47DN > JN47GJ 18.2 miles 311° 2024-05-14 09:18:57
HB9RBV-9 3 2024-05-19 05:15:41 2024-05-19 05:19:07 JN47HF > JN47GJ 10.9 miles 161° 2024-05-19 05:19:07
HB9ZIE-7 1 2024-05-20 14:25:54 2024-05-20 14:25:54 JN47FJ > JN47GJ 4.3 miles 305° 2024-05-20 14:25:54
HB9FDL-3 210 2024-05-03 07:00:39 2024-05-08 03:40:56 JN47CL > JN47GJ 18.5 miles 294° 2024-05-08 03:40:56
HB9HUT-9 1 2024-05-12 03:07:46 2024-05-12 03:07:46 JN47MB > JN47GJ 32.9 miles 133° 2024-05-12 03:07:46
HB3XGE-7 196 2024-05-01 02:28:30 2024-05-12 12:31:57 JN47FJ > JN47GJ 5.4 miles 297° 2024-05-11 14:49:13
HB3XGG-7 8 2024-05-09 03:59:58 2024-05-11 04:50:48 JN37RF > JN47GJ 52.4 miles 260° 2024-05-11 04:50:48
HB3XCB-9 61 2024-05-03 13:29:56 2024-05-19 07:50:41 JN47JG > JN47GJ 14.0 miles 116° 2024-05-03 13:29:56
HB9HBV-9 6 2024-05-04 05:44:48 2024-05-05 07:15:44 JN47KK > JN47GJ 15.8 miles 70° 2024-05-04 09:09:45
HB9LCY-7 1 2024-05-09 10:02:16 2024-05-09 10:02:16 JN47GR > JN47GJ 24.1 miles 1° 2024-05-09 10:02:16
HB9EGZ-3 4 2024-05-07 12:44:36 2024-05-16 12:32:51 JN47FL > JN47GJ 9.5 miles 331° 2024-05-07 17:00:00
HB9HUT-8 59 2024-05-09 05:12:31 2024-05-12 08:03:08 JN47ND > JN47GJ 29.2 miles 120° 2024-05-12 08:03:08
HB9PUZ-7 39 2024-05-01 12:13:38 2024-05-08 01:58:36 JN47FE > JN47GJ 13.2 miles 195° 2024-05-01 12:13:38
HB9IJQ-9 1 2024-05-03 07:37:24 2024-05-03 07:37:24 JN47HQ > JN47GJ 21.8 miles 8° 2024-05-03 07:37:24
HB9FDL-8 36 2024-05-05 09:23:49 2024-05-09 09:03:41 JN47BM > JN47GJ 22.9 miles 297° 2024-05-05 09:38:16
HB9JBP-7 3 2024-05-07 01:06:24 2024-05-11 11:37:32 JN47FJ > JN47GJ 6.4 miles 281° 2024-05-11 11:29:32
HB3XAD-8 285 2024-05-02 09:38:06 2024-05-04 12:04:00 JN47HD > JN47GJ 17.2 miles 168° 2024-05-02 09:50:25
HB9TUU-9 12 2024-05-07 11:28:16 2024-05-07 11:53:18 JN47JE > JN47GJ 16.6 miles 139° 2024-05-07 11:53:18
HB9AVK-7 1 2024-05-04 10:02:29 2024-05-04 10:02:29 JN47HG > JN47GJ 9.0 miles 146° 2024-05-04 10:02:29
HB9DBL-7 1 2024-05-19 07:49:26 2024-05-19 07:49:26 JN47JD > JN47GJ 19.1 miles 145° 2024-05-19 07:49:26
HB9AVK-1 1 2024-05-02 09:05:36 2024-05-02 09:05:36 JN47HG > JN47GJ 9.0 miles 146° 2024-05-02 09:05:36
HB9AVK-8 4 2024-05-03 12:10:12 2024-05-03 12:50:11 JN47GM > JN47GJ 8.8 miles 344° 2024-05-03 12:50:11
HB9ZGL-6 2 2024-05-15 05:06:35 2024-05-15 05:20:03 JN47HG > JN47GJ 8.5 miles 163° 2024-05-15 05:06:35
N7JMV-12 1 2024-05-20 03:07:27 2024-05-20 03:07:27 JN47GJ > JN47GJ 0.7 miles 300° 2024-05-20 03:07:27

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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