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APRS station W9CQO-1 - show graphs
Comment: Ozaukee Radio Club I-Gate
Last status: EN53xh/# APRSISCE/32
Location: 43°18.43' N 88°00.30' W - locator EN53XH93JR - show map
5.0 miles North bearing 345° from Thiensville, Ozaukee County, Wisconsin, United States [?]
5.0 miles North bearing 348° from Mequon, Ozaukee County, Wisconsin, United States
19.2 miles North bearing 345° from Milwaukee, Milwaukee County, Wisconsin, United States
72.1 miles East bearing 77° from Madison, Dane County, Wisconsin, United States
Last position: 2024-11-21 12:41:25 EST (9m8s ago)
2024-11-21 11:41:25 CST local time at Thiensville, United States [?]
Device: KJ4ERJ: APRSIS32 (software, Windows)
Last path: W9CQO-1>APWW11 via TCPIP*,qAC,T2SPAIN
Positions stored: 4
Packet rate: 407 seconds between packets on average during 19948 seconds.
APRS igate – Statistics for 2024-11:
Stations heard directly: 103 on radio path – show map
Last heard a station directly: 2024-11-21 12:50:20 EST (13s ago)
Normal receiver range estimate: 124 miles (Updated: 2024-11-21 12:42:31 EST)
Position packets heard directly: 12757 on radio path
Position packets sent to APRS-IS: 45323 – show map
Stations near current position of W9CQO-1 - show more
callsign distance last heard - EST      callsign distance last heard - EST
KC9ONY0.6 miles 24°2024-11-20 13:56:29 W9DHI B0.9 miles 139°2024-11-21 12:29:50
W9DHI-B0.9 miles 139°2024-11-21 12:30:00 W9DHI-90.9 miles 137°2024-11-21 12:20:02
W9FRG-A0.9 miles 138°2024-11-21 12:36:42 W9FRG-C0.9 miles 138°2024-11-21 12:36:42
W9FRG-B0.9 miles 138°2024-11-21 12:36:42 W9FRG A0.9 miles 138°2024-11-21 12:36:57
W9FRG AD0.9 miles 138°2024-11-21 12:36:57 W9FRG B0.9 miles 138°2024-11-21 12:36:57
W9FRG C0.9 miles 138°2024-11-21 12:36:57 W9DHI-71.0 miles 123°2024-11-10 08:24:51
W9DHI-81.2 miles 127°2024-11-13 19:02:41 KC9ONY-72.3 miles 159°2024-11-20 10:25:37
KD9MRK-93.0 miles 73°2024-11-21 12:50:20 FW62204.8 miles 154°2024-11-21 12:46:11
FW32435.6 miles 260°2024-11-21 12:48:34 KG9EE-75.8 miles 179°2024-11-06 15:58:09
W9TJP-96.1 miles 164°2024-10-23 19:00:45 WI9OZ-116.3 miles 22°2024-11-21 12:38:21
Stations which heard W9CQO-1 directly on radio –
callsign pkts first heard - EST last heard longest (tx => rx) longest at - EST
W9LTA-10 4 2024-11-03 03:34:05 2024-11-09 04:33:43 EN53XH > EN54FA 91.9 miles 303° 2024-11-09 04:33:43
N9MEA-8 10 2024-11-07 07:34:33 2024-11-20 00:04:58 EN53XH > EN55NF 140.8 miles 342° 2024-11-20 00:04:58
KC9FWE-10 1 2024-11-07 05:03:19 2024-11-07 05:03:19 EN53XH > EN53IT 74.3 miles 297° 2024-11-07 05:03:19
N9LKH-1 171 2024-11-05 19:03:03 2024-11-20 04:33:36 EN53XH > EN63BB 16.9 miles 158° 2024-11-20 04:33:36
MAYVIL 2 2024-11-18 14:02:37 2024-11-18 15:32:38 EN53XH > EN83HH 233.0 miles 88° 2024-11-18 15:32:38
K8OEC-10 2 2024-11-16 14:53:05 2024-11-18 01:32:33 EN53XH > EN63VB 90.5 miles 100° 2024-11-18 01:32:33
K8COP-4 7 2024-11-09 23:04:13 2024-11-16 16:53:05 EN53XH > EN63TQ 86.3 miles 73° 2024-11-16 16:53:05
K9IQP-13 49 2024-11-07 10:03:20 2024-11-13 18:52:13 EN53XH > EN62AH 69.8 miles 178° 2024-11-13 18:52:13
W9LRT-3 1 2024-11-15 23:23:02 2024-11-15 23:23:02 EN53XH > EN61OP 130.3 miles 151° 2024-11-15 23:23:02
KA9RXK 50 2024-11-05 19:03:02 2024-11-09 19:33:46 EN53XH > EN63AE 9.7 miles 153° 2024-11-09 19:33:46
N9MUC 1 2024-11-11 06:21:44 2024-11-11 06:21:44 EN53XH > EN52SB 89.4 miles 195° 2024-11-11 06:21:44
KA9BAB-7 14 2024-11-06 19:05:32 2024-11-20 15:39:16 EN53XH > EN54WA 48.6 miles 351° 2024-11-20 15:39:16
KB9OIV-2 1 2024-11-06 23:43:09 2024-11-06 23:43:09 EN53XH > EN62BQ 44.7 miles 170° 2024-11-06 23:43:09
KD9VQI-9 1 2024-11-16 10:52:58 2024-11-16 10:52:58 EN53XH > EN64ER 101.7 miles 12° 2024-11-16 10:52:58
KD9VQI-10 7 2024-11-09 21:34:04 2024-11-20 00:33:00 EN53XH > EN64IX 120.9 miles 17° 2024-11-20 00:33:00
N9SQB-1 12 2024-11-09 21:05:36 2024-11-20 13:09:23 EN53XH > EN53WK 11.1 miles 315° 2024-11-20 13:09:23
WI9ELK-10 1 2024-11-18 13:07:25 2024-11-18 13:07:25 EN53XH > EN52RM 59.4 miles 207° 2024-11-18 13:07:25
KD9UWG-1 1 2024-11-20 20:40:04 2024-11-20 20:40:04 EN53XH > EN63BJ 9.2 miles 47° 2024-11-20 20:40:04
WI9HRO-1 64 2024-11-05 19:03:06 2024-11-20 21:09:49 EN53XH > EN63AD 10.9 miles 174° 2024-11-20 21:09:49
CASCTY 1 2024-11-17 20:02:26 2024-11-17 20:02:26 EN53XH > EN83LP 248.1 miles 83° 2024-11-17 20:02:26

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 W9CQO-1
callsign pkts first heard - EST last heard longest (rx => tx) longest at - EST
W9LTA-10 85 2024-11-02 11:03:30 2024-11-20 00:23:28 EN54FA > EN53XH 91.9 miles 303° 2024-11-20 00:23:28
AB9HH-10 1788 2024-10-31 20:29:51 2024-11-21 12:45:46 EN53XB > EN53XH 16.7 miles 185° 2024-11-21 12:45:46
NS9RC 13 2024-11-06 23:30:41 2024-11-18 08:02:25 EN62CC > EN53XH 84.2 miles 173° 2024-11-18 08:02:25
KB9RWX-10 56 2024-11-01 09:48:46 2024-11-20 01:30:56 EN44XM > EN53XH 133.0 miles 310° 2024-11-20 01:30:56
N9QIP-12 7 2024-11-15 13:59:54 2024-11-16 11:06:42 EN54WV > EN53XH 109.2 miles 357° 2024-11-16 11:06:42
N9MEA-8 269 2024-11-01 09:59:33 2024-11-20 04:00:25 EN55NF > EN53XH 140.8 miles 342° 2024-11-20 04:00:25
W9FZ-15 1 2024-11-01 14:38:25 2024-11-01 14:38:25 EN53XD > EN53XH 11.2 miles 193° 2024-11-01 14:38:25
W9GO-3 2 2024-11-03 07:33:22 2024-11-07 06:23:29 EN60WL > EN53XH 217.8 miles 153° 2024-11-07 06:23:29
KC9FWE-10 11 2024-11-07 05:07:51 2024-11-18 05:30:54 EN53IT > EN53XH 74.3 miles 297° 2024-11-18 05:30:54
N9QIP-7 16 2024-11-17 22:09:03 2024-11-18 08:10:14 EN53OE > EN53XH 38.6 miles 259° 2024-11-18 08:10:14
W9PVR-12 1 2024-11-18 03:08:18 2024-11-18 03:08:18 EN43SH > EN53XH 121.6 miles 271° 2024-11-18 03:08:18
W9RCG-2 14 2024-11-12 17:34:10 2024-11-20 01:35:30 EN53WC > EN53XH 14.3 miles 204° 2024-11-20 01:35:30
N9LKH-1 560 2024-11-01 12:47:33 2024-11-21 12:43:36 EN63BB > EN53XH 16.9 miles 158° 2024-11-21 12:43:36
WI9ARC-9 30 2024-11-15 12:43:59 2024-11-18 19:23:19 EN63BA > EN53XH 21.1 miles 167° 2024-11-18 14:20:05
KF9TS-1 10 2024-11-12 06:51:22 2024-11-17 02:05:58 EN54OT > EN53XH 111.8 miles 339° 2024-11-17 02:05:58
K8YSE-1 4 2024-11-18 13:29:10 2024-11-18 14:29:04 EN91DH > EN53XH 347.8 miles 111° 2024-11-18 14:29:04
W9AZ-1 10 2024-11-07 00:23:31 2024-11-16 22:15:57 EN61BC > EN53XH 150.9 miles 178° 2024-11-16 22:15:57
K8OEC-11 62 2024-11-02 22:25:20 2024-11-18 15:27:42 EN62VX > EN53XH 93.0 miles 104° 2024-11-18 15:27:42
K8OEC-10 16 2024-11-12 13:39:10 2024-11-18 13:30:44 EN63VB > EN53XH 90.5 miles 100° 2024-11-18 13:30:44
W8MAI-15 10 2024-11-15 07:23:38 2024-11-18 11:23:47 EN62VB > EN53XH 124.6 miles 133° 2024-11-18 11:23:47
K8COP-4 188 2024-11-01 10:52:14 2024-11-20 02:04:19 EN63TQ > EN53XH 86.3 miles 73° 2024-11-20 02:04:19
K8COP-1 43 2024-11-13 17:37:00 2024-11-18 14:37:59 EN73AL > EN53XH 105.3 miles 83° 2024-11-18 14:37:59
K8COP-3 212 2024-11-03 00:54:40 2024-11-18 16:28:41 EN63TJ > EN53XH 84.1 miles 85° 2024-11-18 16:28:41
KD9AEZ-9 1 2024-11-11 08:57:43 2024-11-11 08:57:43 EN62AW > EN53XH 25.0 miles 172° 2024-11-11 08:57:43
KB9SFF-9 1 2024-11-14 10:47:20 2024-11-14 10:47:20 EN53WD > EN53XH 10.8 miles 205° 2024-11-14 10:47:20
AA9NV 17 2024-11-13 05:09:51 2024-11-18 07:10:32 EN54KI > EN53XH 90.8 miles 324° 2024-11-18 07:10:32
KD9AFB-9 11 2024-11-12 07:51:37 2024-11-21 12:20:09 EN52XX > EN53XH 24.4 miles 189° 2024-11-12 07:51:37
K9IQP-13 10 2024-11-16 08:36:31 2024-11-18 10:05:59 EN62AH > EN53XH 69.8 miles 178° 2024-11-18 10:05:59
KA9RXK-9 69 2024-11-06 16:54:25 2024-11-19 17:02:16 EN63BC > EN53XH 16.1 miles 159° 2024-11-17 12:09:51
HAMLTN 4 2024-11-18 03:44:04 2024-11-18 12:36:26 EN62XQ > EN53XH 109.2 miles 112° 2024-11-18 12:36:26
AD0UT-7 55 2024-11-01 08:11:35 2024-11-15 08:16:04 EN53TL > EN53XH 22.2 miles 305° 2024-11-06 07:39:21
WB9BVB-9 7 2024-11-02 07:59:38 2024-11-17 08:08:51 EN62AX > EN53XH 24.2 miles 173° 2024-11-13 08:25:56
KD9JJR 1 2024-11-16 17:18:52 2024-11-16 17:18:52 EN52XW > EN53XH 25.5 miles 180° 2024-11-16 17:18:52
W9RIX-9 23 2024-11-16 12:41:41 2024-11-16 20:39:49 EN63AQ > EN53XH 26.4 miles 7° 2024-11-16 13:15:35
KD9MIL-10 5 2024-11-16 08:16:32 2024-11-16 08:49:12 EN54TG > EN53XH 70.3 miles 344° 2024-11-16 08:49:12
W9LRT-3 127 2024-11-01 20:15:32 2024-11-20 02:09:45 EN61OP > EN53XH 130.3 miles 151° 2024-11-20 02:09:45
AB8DT-2 20 2024-11-16 00:22:16 2024-11-18 12:25:00 EN73GE > EN53XH 126.6 miles 93° 2024-11-18 12:25:00
W9TJP-7 12 2024-11-02 08:34:55 2024-11-14 19:04:48 EN63BC > EN53XH 16.1 miles 159° 2024-11-14 19:04:48
AC9DE-9 96 2024-11-04 13:28:45 2024-11-21 09:58:36 EN52XW > EN53XH 24.4 miles 180° 2024-11-16 15:45:47
KD9MRK-9 102 2024-11-01 11:03:07 2024-11-21 12:50:20 EN53XD > EN53XH 11.8 miles 192° 2024-11-06 10:33:11
KA9RXK 225 2024-10-31 21:00:29 2024-11-21 12:48:45 EN63AE > EN53XH 9.7 miles 153° 2024-11-21 12:48:45
W8AGT-10 46 2024-11-07 23:20:44 2024-11-20 02:03:25 EN72AT > EN53XH 110.2 miles 107° 2024-11-20 02:03:25
N9MUC 33 2024-11-02 01:15:59 2024-11-18 09:39:49 EN52SB > EN53XH 89.4 miles 195° 2024-11-18 09:39:49
W8QT-1 1 2024-11-18 14:20:13 2024-11-18 14:20:13 EN91LQ > EN53XH 371.2 miles 105° 2024-11-18 14:20:13
KB9GCR-7 17 2024-11-04 17:50:51 2024-11-14 07:04:23 EN53VM > EN53XH 19.2 miles 323° 2024-11-05 18:07:10
K9LR-9 8 2024-11-02 08:13:18 2024-11-02 16:08:11 EN53UI > EN53XH 15.2 miles 286° 2024-11-02 16:04:16
W9DNE-7 1 2024-11-14 14:41:43 2024-11-14 14:41:43 EN53WF > EN53XH 7.0 miles 223° 2024-11-14 14:41:43
AF4Y-10 1 2024-11-16 22:56:33 2024-11-16 22:56:33 EM87OB > EN53XH 509.8 miles 146° 2024-11-16 22:56:33
KA9BAB-7 631 2024-10-31 21:56:06 2024-11-21 12:03:54 EN54WA > EN53XH 48.6 miles 351° 2024-11-21 12:03:54
KG9EE-7 5 2024-11-06 15:50:14 2024-11-06 15:58:09 EN53XF > EN53XH 5.8 miles 179° 2024-11-06 15:58:09
W9DNE-9 21 2024-11-02 09:46:56 2024-11-19 17:30:34 EN53UG > EN53XH 14.0 miles 255° 2024-11-08 17:13:14
KC9GMW-9 6 2024-11-12 15:14:26 2024-11-18 08:39:55 EN52XX > EN53XH 22.2 miles 186° 2024-11-18 08:32:24
KC8SWY-15 3 2024-11-18 03:00:02 2024-11-18 09:04:27 EN72CG > EN53XH 134.4 miles 122° 2024-11-18 09:04:27
WB9YJA-9 1 2024-11-04 16:09:35 2024-11-04 16:09:35 EN53XA > EN53XH 19.4 miles 190° 2024-11-04 16:09:35
K9TLD-9 22 2024-11-01 12:16:20 2024-11-17 15:20:18 EN62AW > EN53XH 26.9 miles 172° 2024-11-14 20:44:02
KA9WXN-9 24 2024-11-12 08:59:00 2024-11-21 08:39:51 EN62AX > EN53XH 23.9 miles 178° 2024-11-16 14:24:40
KD9VQI-9 36 2024-11-12 22:03:32 2024-11-20 00:27:57 EN64ER > EN53XH 101.7 miles 12° 2024-11-20 00:27:57
KD9VQI-10 150 2024-11-02 12:34:33 2024-11-18 17:08:26 EN64IX > EN53XH 120.9 miles 17° 2024-11-18 17:08:26
KE8VIK 4 2024-11-18 03:28:38 2024-11-18 08:28:05 EN61VV > EN53XH 132.3 miles 136° 2024-11-18 08:28:05
KD9UCK-9 12 2024-11-11 18:46:49 2024-11-18 19:17:48 EN62AX > EN53XH 22.9 miles 178° 2024-11-17 10:21:19
W9DNE-8 67 2024-11-02 13:14:12 2024-11-19 17:44:20 EN63BA > EN53XH 19.4 miles 164° 2024-11-10 15:18:56
N9OIG-9 3 2024-11-17 17:40:09 2024-11-17 19:19:38 EN62AW > EN53XH 26.4 miles 172° 2024-11-17 17:40:09
NJ3T-4 1 2024-11-17 01:00:59 2024-11-17 01:00:59 FM09JT > EN53XH 516.0 miles 115° 2024-11-17 01:00:59
N9SQB-1 426 2024-10-31 20:30:28 2024-11-21 12:30:14 EN53WK > EN53XH 11.1 miles 315° 2024-11-21 12:30:14
WI9ELK-10 18 2024-11-16 05:59:06 2024-11-18 11:50:28 EN52RM > EN53XH 59.4 miles 207° 2024-11-18 11:50:28
KD9UWG-1 2110 2024-10-31 23:47:07 2024-11-21 12:48:35 EN63BJ > EN53XH 9.2 miles 47° 2024-11-21 12:48:35
N0VCE-9 1 2024-11-19 08:46:44 2024-11-19 08:46:44 EN53UK > EN53XH 16.3 miles 301° 2024-11-19 08:46:44
W9LOL-7 860 2024-11-10 04:29:27 2024-11-21 12:46:36 EN62BX > EN53XH 24.5 miles 162° 2024-11-21 12:46:36
WI9HRO-1 2207 2024-11-01 09:57:52 2024-11-21 12:50:12 EN63AD > EN53XH 10.9 miles 174° 2024-11-21 12:50:12
AD9CI-15 236 2024-11-01 13:32:27 2024-11-21 12:08:16 EN63BB > EN53XH 17.4 miles 162° 2024-11-21 12:08:16
KC9HKI-9 14 2024-11-01 22:44:41 2024-11-02 15:38:12 EN63BE > EN53XH 9.5 miles 145° 2024-11-02 01:08:53
KE8OOD-10 1 2024-11-18 14:43:24 2024-11-18 14:43:24 EN64WO > EN53XH 130.9 miles 46° 2024-11-18 14:43:24
AC9OT-9 1 2024-11-20 00:42:37 2024-11-20 00:42:37 EN52WX > EN53XH 22.2 miles 194° 2024-11-20 00:42:37
CASCTY 1 2024-11-18 15:11:50 2024-11-18 15:11:50 EN83LP > EN53XH 248.1 miles 83° 2024-11-18 15:11:50
N9WWR 439 2024-11-12 05:01:09 2024-11-21 12:37:24 EN62CT > EN53XH 35.1 miles 164° 2024-11-21 12:37:24
N9SQB-9 19 2024-11-01 15:24:38 2024-11-15 14:58:22 EN53VK > EN53XH 11.9 miles 314° 2024-11-01 15:24:38
WA9NNN-10 1 2024-11-16 10:21:36 2024-11-16 10:21:36 EN61DW > EN53XH 94.6 miles 171° 2024-11-16 10:21:36
N7IDE-14 2 2024-11-15 20:04:25 2024-11-15 20:15:17 EN63AF > EN53XH 7.5 miles 146° 2024-11-15 20:15:17
W9AWX-9 17 2024-11-12 09:56:08 2024-11-21 10:04:19 EN53XD > EN53XH 11.3 miles 192° 2024-11-16 08:44:29
N9MXQ 2 2024-11-16 10:32:10 2024-11-18 00:33:21 EN52NH > EN53XH 83.0 miles 213° 2024-11-18 00:33:21
W9DHI-9 27 2024-11-01 18:14:37 2024-11-21 12:20:02 EN53WE > EN53XH 8.5 miles 215° 2024-11-21 12:01:23
KD9VYI-9 10 2024-11-13 13:57:48 2024-11-13 15:54:06 EN53UI > EN53XH 13.5 miles 279° 2024-11-13 15:54:06
KF6RFX-10 1 2024-11-17 12:27:03 2024-11-17 12:27:03 EN61UU > EN53XH 134.0 miles 138° 2024-11-17 12:27:03
KF6RFX-12 2 2024-11-17 12:26:45 2024-11-17 12:27:18 EN61UU > EN53XH 133.9 miles 138° 2024-11-17 12:27:18
KE8ZBV 1 2024-11-16 14:07:32 2024-11-16 14:07:32 EN62SC > EN53XH 114.0 miles 137° 2024-11-16 14:07:32
KC9LFD-10 1 2024-11-19 14:10:31 2024-11-19 14:10:31 EN53XC > EN53XH 14.8 miles 183° 2024-11-19 14:10:31
N9CVR-10 2 2024-11-16 07:36:06 2024-11-16 08:29:32 EN54RE > EN53XH 66.2 miles 337° 2024-11-16 08:29:32
SAGANW 1 2024-11-18 14:17:57 2024-11-18 14:17:57 EN83AK > EN53XH 202.8 miles 86° 2024-11-18 14:17:57
KB9JNJ-9 293 2024-10-31 23:28:51 2024-11-21 12:10:50 EN63AN > EN53XH 17.0 miles 7° 2024-11-07 21:58:57
AC9DE-2 335 2024-11-01 23:11:21 2024-11-21 12:34:53 EN62AX > EN53XH 23.2 miles 171° 2024-11-21 12:34:53
KD9UCK-15 33 2024-11-04 17:39:37 2024-11-21 10:07:03 EN52XW > EN53XH 24.1 miles 182° 2024-11-19 09:02:23
KC9GJD-1 176 2024-11-12 05:04:27 2024-11-21 12:45:47 EN63BJ > EN53XH 9.1 miles 47° 2024-11-19 17:48:46
KC9GJD-2 67 2024-11-12 18:04:25 2024-11-19 17:58:42 EN63AA > EN53XH 19.0 miles 174° 2024-11-19 11:35:33
W9UWM-13 1 2024-11-02 23:31:59 2024-11-02 23:31:59 EN53VH > EN53XH 11.7 miles 273° 2024-11-02 23:31:59
K9FRD-9 5 2024-11-03 10:03:00 2024-11-04 10:27:32 EN63AN > EN53XH 17.4 miles 2° 2024-11-04 10:27:32
KD8AQT-9 16 2024-11-17 13:15:54 2024-11-18 16:04:57 EN62AX > EN53XH 23.9 miles 169° 2024-11-17 13:43:53
K9GLK-9 40 2024-11-06 08:11:23 2024-11-21 09:20:16 EN62AV > EN53XH 28.7 miles 174° 2024-11-15 16:55:29
KD9STQ-9 3 2024-11-05 17:22:31 2024-11-16 12:03:47 EN53VC > EN53XH 19.1 miles 216° 2024-11-05 17:22:31
KB9WZM-10 8 2024-11-16 04:37:58 2024-11-18 03:39:04 EN52DN > EN53XH 99.1 miles 240° 2024-11-18 03:39:04
WM9H-9 10 2024-11-11 13:10:55 2024-11-21 06:32:18 EN52XX > EN53XH 22.0 miles 180° 2024-11-21 06:32:18
KE9FZ-1 3 2024-11-16 08:05:28 2024-11-16 11:42:58 EN61GM > EN53XH 127.4 miles 167° 2024-11-16 11:42:58
KB9YRC-1 7 2024-11-16 03:12:12 2024-11-18 12:17:08 EN64DB > EN53XH 55.0 miles 16° 2024-11-18 12:17:08
KE9BPW-9 73 2024-11-01 14:24:04 2024-11-21 05:50:46 EN62BR > EN53XH 39.6 miles 168° 2024-11-18 04:30:33

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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