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Indicatif, nom du navire ou locator: Effacer       
Il est possible de faire une recherche en utilisant des jokers (* ?) après le préfixe. Exemple: OH*
Station APRS N4LMC-3 - Graphiques d'activité
Commentaire: Tx/Rx-iGate + Digipeater, Lookout Mountain - https://lmarc.net
Position: 34°51.79' N 85°23.61' W - locator EM74HU27SD - Carte
5.3 miles Sud-ouest cap 204° de Chattanooga Valley, Walker County, Georgia, United States [?]
5.8 miles Ouest cap 265° de Chickamauga, Walker County, Georgia, United States
13.5 miles Sud cap 201° de Chattanooga, Hamilton County, Tennessee, United States
68.2 miles Est cap 82° de Huntsville, Madison County, Alabama, United States
Dernière position: 2024-06-15 14:04:12 EDT (11m34s Il y a)
2024-06-15 14:04:12 EDT heure locale Chattanooga Valley, United States [?]
Dernière télémétrie: 2024-06-15 14:07:02 EDT (8m44s Il y a) – télémétrie
Avg 10m: 0.045 Rx Erlang, Avg 10m: 0.025 Tx Erlang, RxPkts: 40 count/10m, IGateDropRx: 0 count/10m, TxPkts: 19 count/10m
Appareil: Kenneth W. Finnegan, W6KWF: Aprx (igate, Linux/Unix)
Dernier chemin: N4LMC-3>APRX29 via TCPIP*,qAC,T2ALBERTA
Positions enregistrées: 6
Débit de paquets: 514 secondes entre paquets sur une moyenne de 25200 secondes.
Autres SSID: N4LMC-875 N4LMC-640 N4LMC-230 N4LMC-C N4LMC-560 N4LMC-120 N4LMC-525 N4LMC-920 N4LMC-RP1 N4LMC-10 N4LMC-DMR N4LMC-92
APRS igate – Statistiques pour 2024-06:
Stations entendues directement: 111 sur la voie radio – Carte
Dernière station entendue directement: 2024-06-15 14:08:59 EDT (6m47s Il y a)
Estimation de la zone de couverture normale du récepteur 124 miles (Mise à jour: 2024-06-15 12:36:37 EDT)
Paquets de position entendu directement: 5614 sur la voie radio
Paquets de position envoyé à APRS-IS: 5295 – Carte
Stations proches de la position actuelle de N4LMC-3 - plus de stations
indicatif distance dernier entendu - EDT      indicatif distance dernier entendu - EDT
N4LMC-5600.0 yards 0°2024-06-15 14:10:40 W4RRG-30.0 yards 0°2024-06-15 14:03:06
KO4PWQ-738.2 yards 59°2024-06-08 13:33:47 W4GTA-35044.7 yards 158°2024-06-15 14:10:39
N4LMC-23044.7 yards 158°2024-06-15 14:13:42 N4LMC-87544.7 yards 158°2024-06-15 14:15:26
KO4PWQ141.6 yards 55°2024-06-08 14:31:12 W4G/HC022141.6 yards 55°2024-06-08 11:18:22
N4LMC C0.9 miles 293°2024-06-15 14:11:06 N4LMC-C0.9 miles 293°2024-06-15 14:11:16
AJ4VX B3.8 miles 339°2024-06-13 09:04:39 AJ4VX-B3.8 miles 339°2024-06-13 09:04:49
AJ4VX3.8 miles 339°2024-06-14 09:41:35 AJ4VX-103.8 miles 339°2024-06-11 13:39:51
AJ4VX-53.8 miles 339°2024-06-11 13:43:57 KK4LCO4.0 miles 331°2024-06-01 18:25:32
K5OLV4.1 miles 279°2024-06-15 14:11:54 W4PLP4.5 miles 52°2024-06-14 13:28:10
W4PLP-104.6 miles 52°2024-06-11 08:06:38 W4EDP-107.8 miles 8°2024-06-15 13:36:12
Stations qui ont entendu N4LMC-3 directement par radio –
indicatif pkts entendu en premier - EDT dernier entendu le plus long (tx => rx) le plus long à - EDT
KA4EMA-3 24 2024-06-01 06:19:23 2024-06-07 01:36:56 EM74HU > EM75IE 24.7 miles 15° 2024-06-07 01:36:56
AK4ZX-10 1 2024-06-04 14:49:59 2024-06-04 14:49:59 EM74HU > EM75KA 17.9 miles 58° 2024-06-04 14:49:59
N4WGY-7 7 2024-06-10 04:44:51 2024-06-10 09:26:51 EM74HU > EM64RP 65.4 miles 256° 2024-06-10 09:26:51
KO4LRM-9 1 2024-06-02 12:15:04 2024-06-02 12:15:04 EM74HU > EM75SK 67.3 miles 53° 2024-06-02 12:15:04

Seul les paquets de position qui proviennent d'une station originale sont montrés ici. Les statistiques de distances montrent quelques bonds longs, car certains digipeaters ne se sont pas correctement ajoutés au chemin. S’il vous plait vérifiez les paquets bruts.
Stations entendues directement par N4LMC-3
indicatif pkts entendu en premier - EDT dernier entendu le plus long (rx => tx) le plus long à - EDT
AB4KN-2 5 2024-06-01 05:45:31 2024-06-10 08:35:42 EM73RL > EM74HU 106.0 miles 153° 2024-06-10 08:35:42
KN4CI-1 1 2024-06-10 07:34:09 2024-06-10 07:34:09 EM64JM > EM74HU 107.8 miles 257° 2024-06-10 07:34:09
WA4YYM 1 2024-06-05 23:06:50 2024-06-05 23:06:50 EM75ND > EM74HU 35.4 miles 54° 2024-06-05 23:06:50
KE4FGW-9 4 2024-06-01 13:30:52 2024-06-01 14:03:32 EM75XH > EM74HU 83.8 miles 68° 2024-06-01 13:30:52
WA4YYM-9 49 2024-06-03 19:31:36 2024-06-13 08:29:37 EM75OF > EM74HU 41.6 miles 54° 2024-06-12 12:36:52
WA8VWY-7 1 2024-06-07 13:38:10 2024-06-07 13:38:10 EM64IK > EM74HU 109.8 miles 255° 2024-06-07 13:38:10
KB9PFM-9 177 2024-06-07 16:45:41 2024-06-09 10:05:29 EM75GK > EM74HU 40.2 miles 357° 2024-06-09 10:05:29
KC4OJS-3 2 2024-06-08 09:14:48 2024-06-08 10:44:46 EM75TM > EM74HU 73.8 miles 52° 2024-06-08 10:44:46
K4UAN-3 7 2024-06-09 01:39:38 2024-06-14 09:58:48 EM76HB > EM74HU 84.2 miles 1° 2024-06-14 09:58:48
W4ATX-1 34 2024-06-04 10:10:47 2024-06-15 11:29:18 EM75JF > EM74HU 28.6 miles 23° 2024-06-08 10:30:18
KB9SZX-9 13 2024-06-09 15:28:46 2024-06-10 08:10:36 EM74MN > EM74HU 32.8 miles 129° 2024-06-10 08:10:36
W1HGN-9 4 2024-06-08 11:47:06 2024-06-15 12:19:37 EM74SL > EM74HU 59.6 miles 117° 2024-06-08 11:47:06
KL4C-15 3 2024-06-02 11:23:49 2024-06-02 12:22:31 EM75DB > EM74HU 23.3 miles 306° 2024-06-02 12:22:31
KD4SEV-9 15 2024-06-01 08:07:55 2024-06-13 10:24:58 EM74PD > EM74HU 61.3 miles 143° 2024-06-01 12:38:43
N3DAB-1 21 2024-06-01 00:11:50 2024-06-14 12:18:38 EM74TL > EM74HU 64.9 miles 113° 2024-06-14 12:18:38
KM4BJZ-7 18 2024-06-05 15:12:41 2024-06-05 18:31:41 EM75FH > EM74HU 32.9 miles 343° 2024-06-05 15:12:41
WB4BSD-8 2 2024-06-09 15:42:32 2024-06-09 15:45:27 EM75MD > EM74HU 32.7 miles 55° 2024-06-09 15:45:27
KC4YVV-7 20 2024-06-05 12:22:39 2024-06-11 14:33:35 EM75PA > EM74HU 38.6 miles 75° 2024-06-05 12:22:39
KJ4YYX-8 67 2024-06-03 12:02:30 2024-06-14 14:02:46 EM75LE > EM74HU 28.0 miles 40° 2024-06-12 16:16:04
WB7VPC-2 3 2024-06-01 21:12:26 2024-06-05 17:17:43 EM75IA > EM74HU 14.2 miles 30° 2024-06-05 17:17:43
W4CAT 1 2024-06-10 04:07:25 2024-06-10 04:07:25 EM66OD > EM74HU 118.8 miles 319° 2024-06-10 04:07:25
W4JUU-9 89 2024-05-31 20:30:57 2024-06-15 07:01:05 EM75NE > EM74HU 36.8 miles 53° 2024-06-07 13:21:50
W4JUU 64 2024-06-02 13:43:27 2024-06-14 18:46:58 EM74NX > EM74HU 30.8 miles 73° 2024-06-14 18:46:58
N4DIA 4 2024-06-03 12:40:28 2024-06-03 14:03:14 EM74NH > EM74HU 48.0 miles 140° 2024-06-03 14:03:14
AF4ZQ-14 99 2024-06-03 12:57:54 2024-06-14 18:33:15 EM75NE > EM74HU 36.5 miles 51° 2024-06-10 19:20:16
KM4BJZ-6 23 2024-06-01 11:30:45 2024-06-01 19:03:31 EM75FH > EM74HU 32.9 miles 343° 2024-06-01 19:03:31
CHMBRS 1 2024-06-10 04:45:02 2024-06-10 04:45:02 EM85NN > EM74HU 148.5 miles 70° 2024-06-10 04:45:02
KN4FYG-1 88 2024-06-05 09:54:07 2024-06-06 10:20:03 EM74PD > EM74HU 61.6 miles 143° 2024-06-05 09:54:07
KD4EYF-9 11 2024-06-14 10:24:21 2024-06-14 11:33:35 EM74MK > EM74HU 38.9 miles 136° 2024-06-14 11:33:35
KC8VJD-9 65 2024-06-10 10:45:25 2024-06-15 13:20:36 EM74PC > EM74HU 63.6 miles 144° 2024-06-14 16:47:10
AK4ZX-10 69 2024-06-01 00:22:11 2024-06-15 06:05:57 EM75KA > EM74HU 17.9 miles 58° 2024-06-15 06:05:57
KE4IDH 13 2024-05-31 22:18:46 2024-06-01 11:19:10 EM74MX > EM74HU 26.1 miles 69° 2024-06-01 11:19:10
KM6UTC-9 200 2024-06-07 08:08:44 2024-06-14 17:19:07 EM74KO > EM74HU 24.6 miles 135° 2024-06-13 15:09:15
N4JLB-9 43 2024-06-01 10:34:54 2024-06-12 15:49:32 EM75OM > EM74HU 56.0 miles 37° 2024-06-04 07:42:21
K2RRT-9 16 2024-06-14 10:54:01 2024-06-15 12:51:29 EM75RB > EM74HU 51.1 miles 75° 2024-06-15 12:51:29
KO4BAH-9 19 2024-06-01 11:44:32 2024-06-08 05:40:14 EM75OE > EM74HU 40.0 miles 56° 2024-06-07 22:06:50
WA4NIV-9 6 2024-06-11 17:47:13 2024-06-14 08:49:11 EM75NE > EM74HU 38.8 miles 53° 2024-06-11 17:47:13
KD9RDO-8 10 2024-06-14 13:39:36 2024-06-14 15:44:20 EM74NI > EM74HU 44.1 miles 141° 2024-06-14 15:44:20
W4PFT-1 42 2024-05-31 20:20:17 2024-06-12 11:01:31 EM84JJ > EM74HU 127.5 miles 105° 2024-06-12 11:01:31
W4RIK-2 131 2024-06-07 09:52:24 2024-06-14 13:19:07 EM74NJ > EM74HU 43.3 miles 141° 2024-06-14 13:19:07
N1DTA-10 1 2024-06-10 00:21:55 2024-06-10 00:21:55 EM77IN > EM74HU 185.5 miles 2° 2024-06-10 00:21:55
CLINCH 4 2024-06-07 09:25:07 2024-06-14 08:36:28 EM86HI > EM74HU 152.7 miles 47° 2024-06-14 08:36:28
WE4AUB-7 2 2024-06-01 11:05:24 2024-06-01 11:35:27 EM84AR > EM74HU 83.1 miles 96° 2024-06-01 11:35:27
KI4HDU-9 7 2024-06-01 12:13:11 2024-06-07 08:10:21 EM85EW > EM74HU 126.4 miles 53° 2024-06-07 08:10:21
KN4EIG-9 11 2024-06-01 07:19:49 2024-06-01 21:06:18 EM74OG > EM74HU 52.1 miles 141° 2024-06-01 20:25:50
K6RDJ-14 13 2024-06-12 17:00:10 2024-06-12 19:35:41 EM74NI > EM74HU 45.3 miles 140° 2024-06-12 17:00:10
W4ZHA-9 5 2024-06-14 18:48:26 2024-06-15 13:50:12 EM75JD > EM74HU 22.6 miles 29° 2024-06-15 13:16:55
N4BGP-1 1 2024-06-01 14:21:21 2024-06-01 14:21:21 EM73RX > EM74HU 77.3 miles 142° 2024-06-01 14:21:21
AC4DE-1 5 2024-06-10 02:44:20 2024-06-10 04:05:01 EM75CV > EM74HU 75.2 miles 342° 2024-06-10 03:04:24
KG4OJL-9 1 2024-06-01 17:40:56 2024-06-01 17:40:56 EM75RI > EM74HU 59.2 miles 56° 2024-06-01 17:40:56
W4CVY 15 2024-06-03 05:41:42 2024-06-13 08:07:12 EM72NL > EM74HU 168.6 miles 170° 2024-06-13 08:07:12
KD4QWI-9 5 2024-06-02 10:49:23 2024-06-13 18:11:41 EM73QX > EM74HU 73.2 miles 144° 2024-06-13 16:38:08
KO4WEU-9 3 2024-06-08 07:40:29 2024-06-08 14:54:08 EM75XI > EM74HU 83.6 miles 67° 2024-06-08 14:54:08
KK4LTK-9 24 2024-06-02 13:52:37 2024-06-13 21:09:28 EM75FF > EM74HU 24.8 miles 344° 2024-06-06 14:25:23
K5OLV-15 234 2024-06-02 19:32:37 2024-06-15 10:58:12 EM74DT > EM74HU 17.3 miles 254° 2024-06-13 16:21:32
WW4DB-9 19 2024-06-01 11:35:39 2024-06-07 16:53:39 EM75KB > EM74HU 19.0 miles 44° 2024-06-01 11:35:39
KI4UJY-4 5 2024-06-07 14:52:57 2024-06-09 08:32:24 EM75DC > EM74HU 25.4 miles 310° 2024-06-09 08:32:24
KO4ZML-9 2 2024-06-14 18:32:57 2024-06-14 18:36:32 EM75DG > EM74HU 33.9 miles 325° 2024-06-14 18:36:32
KO4OZC-1 3 2024-06-01 20:06:00 2024-06-11 15:35:31 EM83AS > EM74HU 110.8 miles 132° 2024-06-11 15:35:31
NX9O-9 28 2024-06-04 14:13:13 2024-06-04 17:26:48 EM74TO > EM74HU 60.1 miles 106° 2024-06-04 14:13:13
KN4FIH-9 1 2024-06-09 19:10:04 2024-06-09 19:10:04 EM75RL > EM74HU 64.5 miles 50° 2024-06-09 19:10:04
KQ4CUZ-9 2 2024-06-15 11:27:47 2024-06-15 11:45:53 EM74MJ > EM74HU 42.7 miles 142° 2024-06-15 11:45:53
K4DOX-12 1 2024-06-10 15:23:59 2024-06-10 15:23:59 EM74MJ > EM74HU 41.1 miles 145° 2024-06-10 15:23:59
WG5D-9 3 2024-06-07 05:56:35 2024-06-07 16:51:10 EM74UV > EM74HU 63.5 miles 88° 2024-06-07 16:51:10
KA4J-3 17 2024-05-31 20:00:07 2024-06-12 10:01:38 EM75ND > EM74HU 36.0 miles 57° 2024-06-12 10:01:38
W5EZX-9 107 2024-05-31 20:22:19 2024-06-13 21:07:20 EM75QD > EM74HU 47.4 miles 67° 2024-06-11 10:38:54
KC4UG-1 1 2024-06-07 05:38:44 2024-06-07 05:38:44 EM53WS > EM74HU 173.3 miles 245° 2024-06-07 05:38:44
KQ4FFP-9 1 2024-06-03 09:34:39 2024-06-03 09:34:39 EM74FW > EM74HU 11.4 miles 289° 2024-06-03 09:34:39
KO4AUA-9 40 2024-06-01 10:41:43 2024-06-14 19:30:39 EM75KF > EM74HU 28.6 miles 28° 2024-06-08 15:23:08
WR4VR-3 4 2024-06-01 22:14:28 2024-06-06 03:50:17 EM73MR > EM74HU 83.2 miles 162° 2024-06-06 03:50:17
KN4FZD-9 100 2024-05-31 23:11:28 2024-06-15 13:06:49 EM74PC > EM74HU 63.6 miles 144° 2024-06-13 15:19:36
K4DBN-1 7 2024-06-01 02:43:41 2024-06-10 09:45:34 EM82JT > EM74HU 187.4 miles 138° 2024-06-10 09:45:34
KY4RJP-9 9 2024-06-09 15:10:40 2024-06-09 16:43:48 EM74NH > EM74HU 48.1 miles 140° 2024-06-09 16:43:48
K8KNX-9 8 2024-06-07 06:54:19 2024-06-08 05:35:20 EM75RU > EM74HU 85.3 miles 36° 2024-06-08 05:23:33
WD4AUX-5 1352 2024-05-31 23:38:38 2024-06-15 13:14:33 EM74ND > EM74HU 58.4 miles 150° 2024-06-12 23:46:57
AJ4FJ-9 62 2024-06-01 00:10:39 2024-06-15 13:03:16 EM74LA > EM74HU 62.7 miles 161° 2024-06-13 20:14:24
WB7VPC-9 23 2024-06-06 06:48:58 2024-06-14 18:01:24 EM75IK > EM74HU 38.8 miles 6° 2024-06-14 18:01:24
WD4AUX-2 7 2024-06-01 07:20:55 2024-06-07 16:57:36 EM73RX > EM74HU 77.3 miles 141° 2024-06-01 13:44:50
K4HNH-9 5 2024-06-07 20:01:46 2024-06-07 21:53:51 EM74NF > EM74HU 52.2 miles 148° 2024-06-07 21:27:36
KY4ZI-7 1 2024-06-12 18:18:42 2024-06-12 18:18:42 EM75JE > EM74HU 24.5 miles 28° 2024-06-12 18:18:42
KY4ZI-9 23 2024-06-03 18:43:46 2024-06-15 11:03:22 EM75JE > EM74HU 24.5 miles 28° 2024-06-12 15:47:00
KQ4HRK-9 16 2024-06-02 09:02:46 2024-06-10 21:18:13 EM75JG > EM74HU 29.5 miles 24° 2024-06-05 18:55:15
KK4LCO 8 2024-06-01 17:45:33 2024-06-01 18:25:35 EM74FU > EM74HU 7.1 miles 274° 2024-06-01 18:08:23
N0GXO-9 4 2024-06-13 13:45:09 2024-06-13 14:15:10 EM74LU > EM74HU 19.9 miles 88° 2024-06-13 13:45:09
AB4BJ-10 1634 2024-05-31 20:02:01 2024-06-15 13:47:03 EM74MT > EM74HU 23.3 miles 97° 2024-06-15 13:47:03
AD5TJ-2 2 2024-06-07 14:45:04 2024-06-07 14:46:23 EM75XW > EM74HU 103.6 miles 45° 2024-06-07 14:46:23
K4KOT-9 22 2024-06-14 20:21:34 2024-06-15 07:54:11 EM74OF > EM74HU 56.3 miles 140° 2024-06-14 20:21:34
N4EWK-9 20 2024-06-01 09:32:35 2024-06-01 15:43:33 EM75XI > EM74HU 83.8 miles 67° 2024-06-01 10:22:39
KO4CUL-9 7 2024-06-01 05:04:28 2024-06-01 05:42:24 EM74OE > EM74HU 58.1 miles 143° 2024-06-01 05:42:24
N5UOV-9 123 2024-06-02 08:29:19 2024-06-14 10:25:30 EM74PC > EM74HU 63.3 miles 144° 2024-06-05 12:12:39
KB4SYV-5 2 2024-06-05 13:28:15 2024-06-06 13:30:23 EM74RG > EM74HU 61.5 miles 131° 2024-06-05 13:28:15
K4MJR-9 19 2024-06-02 12:49:28 2024-06-06 15:44:11 EM64XP > EM74HU 37.6 miles 249° 2024-06-06 15:44:11
WD4DUO-9 9 2024-06-14 20:49:07 2024-06-14 21:25:27 EM74JX > EM74HU 13.5 miles 58° 2024-06-14 21:14:51
KE5ZQV-9 13 2024-06-05 07:37:45 2024-06-05 09:30:18 EM74OE > EM74HU 57.9 miles 141° 2024-06-05 09:30:18
WB4CWS-1 5 2024-06-04 13:22:47 2024-06-04 14:21:39 EM75BF > EM74HU 36.9 miles 315° 2024-06-04 13:22:47
K4TQR-1 1 2024-06-05 23:32:18 2024-06-05 23:32:18 EM63PN > EM74HU 117.4 miles 220° 2024-06-05 23:32:18
KN4CQI-9 1 2024-06-04 16:25:11 2024-06-04 16:25:11 EM74TS > EM74HU 57.3 miles 95° 2024-06-04 16:25:11
AJ4FJ-5 14 2024-05-31 20:11:33 2024-06-14 09:13:12 EM74QH > EM74HU 57.0 miles 131° 2024-06-14 09:13:12
KB4JP-9 1 2024-06-02 12:19:50 2024-06-02 12:19:50 EM74XG > EM74HU 86.0 miles 119° 2024-06-02 12:19:50
KE4IDF-10 2 2024-06-09 11:04:50 2024-06-09 11:10:47 EM75LL > EM74HU 47.3 miles 27° 2024-06-09 11:10:47
K5DY-1 2 2024-06-07 07:40:38 2024-06-10 09:45:33 EM53LL > EM74HU 230.2 miles 247° 2024-06-10 09:45:33
W4CCH-9 22 2024-05-31 21:37:57 2024-06-12 20:29:23 EM74QC > EM74HU 68.8 miles 140° 2024-06-01 21:12:51
KN6GON-7 2 2024-06-08 10:22:34 2024-06-11 12:47:54 EM75OD > EM74HU 38.2 miles 57° 2024-06-11 12:47:54
W1LQA-1 19 2024-06-14 02:22:17 2024-06-15 05:20:28 EM74NI > EM74HU 45.0 miles 141° 2024-06-14 03:19:17
KQ4HIL 3 2024-06-03 21:05:22 2024-06-03 21:48:01 EM75LD > EM74HU 27.2 miles 48° 2024-06-03 21:05:22
AJ4VX 21 2024-06-05 07:00:08 2024-06-14 09:41:35 EM74GV > EM74HU 3.8 miles 339° 2024-06-14 09:41:35
KD0SDS-9 4 2024-06-09 15:38:24 2024-06-09 16:05:15 EM74EP > EM74HU 20.1 miles 219° 2024-06-09 16:05:15
KN4TPG-5 1 2024-06-14 11:53:44 2024-06-14 11:53:44 EM75JA > EM74HU 15.4 miles 48° 2024-06-14 11:53:44
KF4DVF-1 10 2024-06-09 08:43:21 2024-06-09 09:36:47 EM75LC > EM74HU 27.0 miles 48° 2024-06-09 08:43:21
KD4IBD-9 8 2024-06-04 01:04:42 2024-06-09 06:16:36 EM75MA > EM74HU 25.7 miles 67° 2024-06-05 19:00:49
W4ETA-9 16 2024-06-08 12:57:38 2024-06-15 14:08:59 EM75XI > EM74HU 83.6 miles 67° 2024-06-08 20:04:48

Seules les stations dont une position a été reçue sont affichées ici. Les statistiques de distances montrent quelques bonds longs, car certains digipeaters ne se sont pas correctement ajoutés au chemin. S’il vous plait vérifiez les paquets bruts.
A propos de ce site
Cette page affiche en temps réel les informations recueillies par le système de suivi automatique de position (APRS) Automatic Position Reporting System sur le réseau Internet (APRS-IS). L'APRS est utilisé par les radioamateurs afin de transmettre en temps réel des informations de position, des données météorologiques, de la télémétrie et des messages par les ondes radio. Un véhicule équipé d'un récepteur GPS , d'un émetteur VHF ou HF (émetteur ?) et d'un petit appareil appelé "tracker", transmet sa position, sa vitesse et son cap dans un petit paquet de données, qui sont ensuite reçus par la plus proche passerelle internet (iGate) qui renvoie le paquet sur Internet. Les systèmes connectés à Internet peuvent envoyer des informations sur le réseau APRS-IS sans émetteur radio, ou recueillir et afficher des informations transmises à travers le monde.
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