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APRS station KA4EMA-3 - show graphs
Comment: Hamilton County Emergency Services
Last status: UI-View32 V2.03 KE4IDH AT WINLINK.ORG
Location: 35°12.50' N 85°16.72' W - locator EM75IE69NX - show map
1.5 miles West bearing 284° from Falling Water, Hamilton County, Tennessee, United States [?]
3.1 miles Northeast bearing 54° from Fairmount, Hamilton County, Tennessee, United States
11.4 miles North bearing 9° from Chattanooga, Hamilton County, Tennessee, United States
81.0 miles Northeast bearing 66° from Huntsville, Madison County, Alabama, United States
Last position: 2024-05-17 05:31:21 EDT (20m31s ago)
2024-05-17 05:31:21 EDT local time at Falling Water, United States [?]
Device: Roger Barker, G4IDE: UI-View32 (software, Windows)
Last path: KA4EMA-3>APU25N via TCPIP*,qAC,T2PERTH
Positions stored: 2321
Packet rate: 625 seconds between packets on average during 30601 seconds.
Other SSIDs: KA4EMA-11
APRS igate – Statistics for 2024-05:
Stations heard directly: 118 on radio path – show map
Last heard a station directly: 2024-05-17 05:47:42 EDT (4m10s ago)
Normal receiver range estimate: 124 miles (Updated: 2024-05-17 04:27:42 EDT)
Position packets heard directly: 5625 on radio path
Position packets sent to APRS-IS: 7312 – show map
Stations near current position of KA4EMA-3 - show more
callsign distance last heard - EDT      callsign distance last heard - EDT
W4PL-DMR389.8 yards 249°2024-05-17 05:14:51 W4RRG B0.9 miles 34°2024-05-17 05:41:12
W4RRG-B0.9 miles 34°2024-05-17 05:41:22 N4LMC-RP11.8 miles 68°2024-05-17 05:47:15
KQ4FFP-83.8 miles 178°2024-05-12 15:06:27 KQ4FFP3.8 miles 184°2024-04-24 19:39:17
N4LMC-6403.8 miles 225°2024-05-17 05:51:22 N4LMC-9203.9 miles 224°2024-05-17 05:50:34
W4PL A4.0 miles 202°2024-05-17 05:46:02 W4PL AD4.0 miles 202°2024-05-17 05:46:02
W4PL B4.0 miles 202°2024-05-17 05:46:02 W4PL C4.0 miles 202°2024-05-17 05:46:02
W4PL-A4.0 miles 202°2024-05-17 05:45:47 W4PL-B4.0 miles 202°2024-05-17 05:45:48
W4PL-C4.0 miles 202°2024-05-17 05:45:48 KQ4HRK-94.0 miles 179°2024-05-16 17:56:04
WD4DES-74.2 miles 264°2024-05-13 16:34:47 KA4EMA-114.5 miles 191°2024-05-13 16:53:08
KO4GVX-34.8 miles 34°2024-05-17 05:43:04 KB4JAC-D4.9 miles 146°2024-05-17 05:36:09
Stations which heard KA4EMA-3 directly on radio –
callsign pkts first heard - EDT last heard longest (tx => rx) longest at - EDT
W4GGM-1 1 2024-05-12 10:00:52 2024-05-12 10:00:52 EM75IE > EM65LN 102.6 miles 284° 2024-05-12 10:00:52
KE4EST-1 52 2024-05-15 16:30:43 2024-05-17 05:30:38 EM75IE > EM75WC 67.0 miles 96° 2024-05-17 05:30:38
WA4HR-2 7 2024-05-16 04:30:45 2024-05-16 10:30:41 EM75IE > EM65OA 84.4 miles 262° 2024-05-16 10:30:41

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 KA4EMA-3
callsign pkts first heard - EDT last heard longest (rx => tx) longest at - EDT
WA4YYM 54 2024-05-15 16:19:42 2024-05-17 05:25:54 EM75ND > EM75IE 22.2 miles 97° 2024-05-17 05:25:54
KE4FGW-9 3 2024-05-03 19:59:22 2024-05-11 09:28:35 EM85AP > EM75IE 80.6 miles 68° 2024-05-11 09:28:35
WA4YYM-9 29 2024-05-01 11:21:45 2024-05-16 06:01:57 EM75OP > EM75IE 41.5 miles 46° 2024-05-14 11:36:46
N104CD 2 2024-05-10 14:36:27 2024-05-10 14:37:26 EM75LI > EM75IE 15.8 miles 45° 2024-05-10 14:36:27
KI4KK-9 3 2024-05-14 13:01:14 2024-05-14 13:26:27 EM75LC > EM75IE 14.7 miles 113° 2024-05-14 13:26:27
WM4RB-9 7 2024-05-05 09:10:30 2024-05-10 16:02:25 EM75NE > EM75IE 24.3 miles 91° 2024-05-05 13:16:45
WA8VWY-7 4 2024-05-04 18:14:09 2024-05-10 17:13:32 EM64GS > EM75IE 126.0 miles 257° 2024-05-10 17:13:32
KB9HD-9 1 2024-05-14 11:17:10 2024-05-14 11:17:10 EM74JX > EM75IE 17.6 miles 163° 2024-05-14 11:17:10
K4UAN-3 10 2024-05-01 23:14:30 2024-05-09 08:24:52 EM76HB > EM75IE 60.6 miles 355° 2024-05-09 08:24:52
K1RAH 5 2024-05-05 12:38:57 2024-05-05 13:00:24 EM75LC > EM75IE 14.6 miles 125° 2024-05-05 12:38:57
W4ATX-1 86 2024-05-02 11:09:20 2024-05-16 15:20:33 EM75KE > EM75IE 8.2 miles 91° 2024-05-13 18:41:28
N0XFD-14 11 2024-05-16 21:21:24 2024-05-16 22:09:08 EM74MO > EM75IE 44.1 miles 156° 2024-05-16 21:21:24
KC5IJD-1 1 2024-05-13 02:49:56 2024-05-13 02:49:56 EM75RV > EM75IE 62.9 miles 43° 2024-05-13 02:49:56
KE4UW-9 2 2024-05-15 06:30:43 2024-05-15 06:33:43 EM74KV > EM75IE 24.0 miles 153° 2024-05-15 06:30:43
N14YT 1 2024-05-10 14:47:09 2024-05-10 14:47:09 EM74PX > EM75IE 34.5 miles 117° 2024-05-10 14:47:09
N116TP 1 2024-05-01 11:06:26 2024-05-01 11:06:26 EM74TX > EM75IE 53.9 miles 106° 2024-05-01 11:06:26
N3DAB-1 13 2024-05-02 02:55:52 2024-05-16 19:18:35 EM74TL > EM75IE 72.7 miles 133° 2024-05-16 19:18:35
N4NE-2 9 2024-05-03 08:05:41 2024-05-03 09:52:41 EM74WF > EM75IE 92.4 miles 136° 2024-05-03 09:52:41
KK4BYX-9 1 2024-05-04 21:19:29 2024-05-04 21:19:29 EM75MN > EM75IE 29.9 miles 37° 2024-05-04 21:19:29
N4HHC-6 1 2024-05-11 09:23:36 2024-05-11 09:23:36 EM85GN > EM75IE 103.2 miles 76° 2024-05-11 09:23:36
KM4BJZ-7 52 2024-05-02 18:58:37 2024-05-16 18:57:48 EM75FH > EM75IE 17.7 miles 296° 2024-05-16 18:57:48
KM4BJZ-1 9 2024-05-02 02:36:47 2024-05-15 11:21:52 EM75FH > EM75IE 18.5 miles 294° 2024-05-15 11:21:52
KJ4YYX-8 208 2024-05-01 07:19:43 2024-05-16 16:46:52 EM75MG > EM75IE 18.0 miles 76° 2024-05-07 07:36:33
WB7VPC-2 1060 2024-04-30 21:01:33 2024-05-17 05:23:38 EM75IA > EM75IE 11.9 miles 177° 2024-05-13 11:46:23
N4LMC-3 46 2024-05-02 02:14:04 2024-05-16 04:45:42 EM74HU > EM75IE 24.7 miles 195° 2024-05-16 04:45:42
W4JUU-9 38 2024-05-01 15:58:43 2024-05-16 05:42:19 EM75NA > EM75IE 28.1 miles 120° 2024-05-16 04:58:00
W4JEW-7 1 2024-05-11 18:32:40 2024-05-11 18:32:40 EM75HA > EM75IE 14.2 miles 195° 2024-05-11 18:32:40
W4JUU 6 2024-05-04 16:35:27 2024-05-13 13:58:10 EM74NX > EM75IE 27.2 miles 123° 2024-05-13 13:58:10
AF4ZQ-14 94 2024-04-30 20:38:48 2024-05-16 19:22:57 EM75OH > EM75IE 30.1 miles 74° 2024-05-07 17:13:07
KD4AFW 29 2024-05-01 07:32:31 2024-05-17 05:25:35 EM75PF > EM75IE 32.6 miles 87° 2024-05-17 05:25:35
KM4KMO-9 27 2024-05-12 15:00:01 2024-05-12 18:27:19 EM75KB > EM75IE 13.1 miles 139° 2024-05-12 18:21:50
W6GPS-7 1 2024-05-15 06:36:51 2024-05-15 06:36:51 EM75IA > EM75IE 12.4 miles 190° 2024-05-15 06:36:51
NA8X 4 2024-05-10 15:34:31 2024-05-10 17:14:46 EM75HA > EM75IE 13.1 miles 196° 2024-05-10 17:14:46
KG4FZR-3 67 2024-05-01 03:23:46 2024-05-17 04:54:33 EM75QK > EM75IE 41.9 miles 66° 2024-05-17 04:54:33
KK4LTK-1 105 2024-05-01 22:58:42 2024-05-17 05:44:02 EM75FE > EM75IE 15.2 miles 268° 2024-05-17 05:44:02
AK4ZX-10 471 2024-05-01 06:05:06 2024-05-17 05:47:42 EM75KA > EM75IE 16.7 miles 149° 2024-05-17 05:47:42
NK4DX-7 5 2024-05-15 18:13:27 2024-05-15 18:52:54 EM74MP > EM75IE 41.7 miles 156° 2024-05-15 18:13:27
WA4DJP 177 2024-04-30 22:25:09 2024-05-17 05:04:49 EM75MD > EM75IE 17.7 miles 107° 2024-05-17 05:04:49
KM6UTC-9 104 2024-05-03 11:34:36 2024-05-16 18:07:41 EM74MX > EM75IE 24.3 miles 129° 2024-05-16 10:04:55
KO4NDV-9 21 2024-05-09 07:08:42 2024-05-09 07:53:43 EM74KV > EM75IE 21.7 miles 159° 2024-05-09 07:08:42
W4ZHA-7 59 2024-05-09 18:46:43 2024-05-12 16:47:40 EM75LC > EM75IE 14.7 miles 125° 2024-05-10 06:45:59
W4LEE-1 2 2024-05-10 00:51:30 2024-05-10 01:06:33 EM72HN > EM75IE 182.6 miles 182° 2024-05-10 01:06:33
N4JLB-9 35 2024-05-03 14:28:35 2024-05-16 18:30:55 EM75RK > EM75IE 44.1 miles 67° 2024-05-09 12:17:52
KO4BAH-9 34 2024-05-04 07:41:41 2024-05-16 07:40:25 EM75QD > EM75IE 37.6 miles 98° 2024-05-10 23:48:52
W5EZX 4 2024-05-03 09:59:33 2024-05-10 11:55:12 EM75LA > EM75IE 18.9 miles 138° 2024-05-10 11:55:12
WA6AAI-9 1 2024-05-06 14:10:41 2024-05-06 14:10:41 EM74KV > EM75IE 21.8 miles 159° 2024-05-06 14:10:41
N5EIA 2 2024-05-06 18:54:31 2024-05-06 19:02:57 EM75JA > EM75IE 13.6 miles 153° 2024-05-06 19:02:57
CLINCH 5 2024-05-09 04:06:30 2024-05-16 09:04:01 EM86HI > EM75IE 132.3 miles 53° 2024-05-16 09:04:01
WE4AUB-7 2 2024-05-11 09:10:50 2024-05-11 12:59:39 EM85GN > EM75IE 103.2 miles 76° 2024-05-11 12:59:39
W4ZHA-9 95 2024-05-03 06:24:26 2024-05-16 20:43:58 EM75LC > EM75IE 14.6 miles 125° 2024-05-07 06:51:41
ND1J-10 3 2024-05-06 03:17:03 2024-05-06 05:17:08 EM73RH > EM75IE 136.5 miles 162° 2024-05-06 05:17:08
KG4OJL-9 43 2024-05-01 06:35:00 2024-05-13 18:34:26 EM75SK > EM75IE 48.5 miles 71° 2024-05-05 15:07:10
KB4CO-9 6 2024-05-07 14:51:27 2024-05-07 15:20:01 EM75JA > EM75IE 13.8 miles 171° 2024-05-07 15:13:53
N4NEQ-9 6 2024-05-15 09:14:36 2024-05-15 09:45:06 EM74LQ > EM75IE 39.0 miles 156° 2024-05-15 09:14:36
N4BFR-7 8 2024-05-15 09:02:29 2024-05-15 10:14:31 EM75JB > EM75IE 10.6 miles 157° 2024-05-15 09:29:21
AK4ZX-15 348 2024-05-02 01:54:12 2024-05-17 05:38:09 EM74TM > EM75IE 71.2 miles 132° 2024-05-17 05:38:09
KO4GVX-3 46 2024-05-02 02:10:31 2024-05-14 21:06:47 EM75JG > EM75IE 4.8 miles 34° 2024-05-14 21:06:47
KO4WEU-9 37 2024-05-02 18:55:11 2024-05-16 20:33:41 EM75SM > EM75IE 49.5 miles 65° 2024-05-09 19:40:19
KK4LTK-9 24 2024-05-01 11:45:11 2024-05-13 16:03:41 EM75FE > EM75IE 14.1 miles 263° 2024-05-11 09:16:38
KO4OZC-1 18 2024-05-02 02:27:02 2024-05-16 02:58:48 EM83AS > EM75IE 124.0 miles 143° 2024-05-16 02:58:48
KN4FIH-9 40 2024-05-01 07:48:42 2024-05-16 07:57:23 EM75SK > EM75IE 48.0 miles 72° 2024-05-11 23:31:03
KQ4AFY-9 2 2024-05-16 18:31:39 2024-05-16 18:41:40 EM74LU > EM75IE 27.1 miles 150° 2024-05-16 18:31:39
KA4J-3 94 2024-05-01 23:49:47 2024-05-17 05:44:54 EM75ND > EM75IE 24.1 miles 100° 2024-05-17 05:44:54
KA9ZRU-9 5 2024-05-03 15:11:26 2024-05-03 16:11:34 EM74KV > EM75IE 22.6 miles 156° 2024-05-03 16:11:34
N8WWR-9 7 2024-05-15 19:56:43 2024-05-15 20:09:27 EM74JX > EM75IE 15.3 miles 165° 2024-05-15 19:56:43
W5EZX-9 48 2024-05-01 09:02:59 2024-05-16 05:37:25 EM74MX > EM75IE 25.2 miles 133° 2024-05-04 20:08:40
K7DCC 6 2024-05-03 09:45:04 2024-05-03 15:02:42 EM75IA > EM75IE 12.1 miles 191° 2024-05-03 15:02:42
K5MPG-9 2 2024-05-02 16:33:21 2024-05-02 16:34:05 EM75KA > EM75IE 14.2 miles 151° 2024-05-02 16:34:05
KQ4GOM-9 81 2024-05-03 09:39:51 2024-05-15 18:16:15 EM74MQ > EM75IE 40.0 miles 153° 2024-05-10 09:32:12
KO4AUA-9 27 2024-05-01 05:12:34 2024-05-02 21:08:41 EM75IB > EM75IE 11.4 miles 189° 2024-05-01 05:30:57
N5FY-7 1 2024-05-15 11:27:14 2024-05-15 11:27:14 EM74OW > EM75IE 34.9 miles 124° 2024-05-15 11:27:14
KN4FZD-9 108 2024-05-01 17:30:33 2024-05-16 11:45:16 EM75PB > EM75IE 33.3 miles 109° 2024-05-13 20:11:08
WD4AUX-5 61 2024-05-01 03:51:17 2024-05-15 04:23:23 EM74ND > EM75IE 76.0 miles 163° 2024-05-15 04:23:23
AJ4FJ-9 2 2024-05-04 18:11:50 2024-05-05 15:34:31 EM74QH > EM75IE 71.2 miles 149° 2024-05-05 15:34:31
W9NXM-9 8 2024-05-02 15:02:53 2024-05-02 18:41:09 EM75NE > EM75IE 25.1 miles 96° 2024-05-02 17:10:41
KO4ZYG-9 1 2024-05-05 20:16:35 2024-05-05 20:16:35 EM75NF > EM75IE 22.4 miles 89° 2024-05-05 20:16:35
WB7VPC-9 254 2024-05-01 05:55:52 2024-05-16 18:01:50 EM75NE > EM75IE 22.6 miles 91° 2024-05-16 10:21:38
KE4EST-9 1 2024-05-15 15:28:28 2024-05-15 15:28:28 EM75SB > EM75IE 48.1 miles 104° 2024-05-15 15:28:28
KE4EST-1 158 2024-05-01 05:01:11 2024-05-17 05:31:11 EM75WC > EM75IE 67.0 miles 96° 2024-05-17 05:31:11
N4TLM-9 1 2024-05-01 21:47:35 2024-05-01 21:47:35 EM85AP > EM75IE 80.2 miles 68° 2024-05-01 21:47:35
KY4ZI-7 183 2024-05-01 08:08:22 2024-05-16 12:56:12 EM75JE > EM75IE 5.6 miles 114° 2024-05-16 12:56:12
KY4ZI-9 141 2024-05-01 14:07:39 2024-05-16 20:21:15 EM74JW > EM75IE 19.5 miles 161° 2024-05-16 20:21:15
W4MRR-9 26 2024-05-12 19:13:47 2024-05-15 12:12:00 EM75SB > EM75IE 45.3 miles 101° 2024-05-12 19:13:47
K5NOT-5 5 2024-05-15 11:44:43 2024-05-15 12:06:25 EM75LC > EM75IE 14.7 miles 121° 2024-05-15 11:46:29
KQ4HRK-9 193 2024-05-01 18:32:26 2024-05-16 17:54:03 EM75LL > EM75IE 21.9 miles 35° 2024-05-11 14:53:51
KO4FPF-7 2 2024-05-15 09:45:50 2024-05-15 09:51:38 EM74JX > EM75IE 17.1 miles 164° 2024-05-15 09:45:50
N4IWW-9 12 2024-05-09 17:07:51 2024-05-12 12:11:06 EM74JW > EM75IE 17.6 miles 170° 2024-05-10 17:17:43
KK4LCO 6 2024-05-10 16:28:54 2024-05-12 12:49:08 EM74QV > EM75IE 41.6 miles 121° 2024-05-10 16:28:54
WE4UAH-11 1 2024-05-01 15:49:33 2024-05-01 15:49:33 EM75CT > EM75IE 50.3 miles 328° 2024-05-01 15:49:33
N7IVV-1 18 2024-05-05 16:29:37 2024-05-13 20:28:19 EM75OI > EM75IE 31.0 miles 73° 2024-05-05 16:29:37
WB4HAT-9 4 2024-05-04 09:18:27 2024-05-04 11:12:26 EM75ED > EM75IE 21.3 miles 255° 2024-05-04 11:12:26
KA4EMA-11 4 2024-05-13 16:50:59 2024-05-13 16:53:08 EM75ID > EM75IE 4.5 miles 191° 2024-05-13 16:53:08
AB4BJ-10 209 2024-05-01 11:20:40 2024-05-17 05:37:07 EM74MT > EM75IE 31.3 miles 148° 2024-05-17 05:37:07
K4RXS-9 10 2024-05-02 08:52:31 2024-05-16 06:03:57 EM75RH > EM75IE 43.5 miles 79° 2024-05-13 09:44:23
N5UOV-9 108 2024-05-01 14:17:48 2024-05-09 22:32:55 EM74IR > EM75IE 34.3 miles 179° 2024-05-08 15:33:15
WE4MDA-3 1 2024-05-16 16:36:51 2024-05-16 16:36:51 EM74XC > EM75IE 104.2 miles 136° 2024-05-16 16:36:51
KN4WDV-9 1 2024-05-11 16:40:17 2024-05-11 16:40:17 EM76TC > EM75IE 80.6 miles 40° 2024-05-11 16:40:17
KE5ZQV-9 7 2024-05-08 03:44:46 2024-05-08 04:25:55 EM75OH > EM75IE 28.1 miles 74° 2024-05-08 03:44:46
N4NAD-9 15 2024-05-09 10:23:03 2024-05-09 15:06:16 EM75PK > EM75IE 36.5 miles 65° 2024-05-09 11:10:24
KN4CQI-9 1 2024-05-10 13:16:44 2024-05-10 13:16:44 EM75PK > EM75IE 36.7 miles 65° 2024-05-10 13:16:44
AJ4FJ-5 13 2024-05-05 21:51:43 2024-05-14 21:25:52 EM74QH > EM75IE 71.2 miles 149° 2024-05-14 21:25:52
KI4LMV-10 32 2024-05-02 00:55:12 2024-05-17 01:35:48 EM64DQ > EM75IE 142.0 miles 255° 2024-05-17 01:35:48
KD4UWU-9 3 2024-05-13 13:24:05 2024-05-13 14:19:14 EM75PK > EM75IE 36.5 miles 65° 2024-05-13 14:19:14
KI5GOP-9 2 2024-05-12 10:36:34 2024-05-12 10:45:10 EM75JA > EM75IE 14.1 miles 170° 2024-05-12 10:36:34
KF4RC-1 5 2024-05-15 03:35:31 2024-05-17 03:34:57 EM85HH > EM75IE 109.8 miles 85° 2024-05-17 03:34:57
KI4LAX-7 13 2024-05-01 07:15:15 2024-05-07 18:10:20 EM75KC > EM75IE 10.7 miles 126° 2024-05-07 08:24:20
KM4OO-7 2 2024-05-06 09:18:25 2024-05-06 09:39:31 EM75LD > EM75IE 14.8 miles 113° 2024-05-06 09:18:25
KN6GON-7 4 2024-05-04 11:24:22 2024-05-15 16:35:51 EM75QE > EM75IE 35.4 miles 94° 2024-05-04 11:24:22
K4TLZ-9 63 2024-05-01 05:09:21 2024-05-17 05:03:40 EM75LB > EM75IE 18.4 miles 129° 2024-05-15 06:56:25
WX4LCG-1 1 2024-05-10 02:55:42 2024-05-10 02:55:42 EM82LO > EM75IE 222.1 miles 144° 2024-05-10 02:55:42
KD9ZYY-11 7 2024-05-07 16:38:24 2024-05-07 17:04:43 EM75JA > EM75IE 14.1 miles 170° 2024-05-07 16:38:24
KG4ZQS-5 1 2024-05-06 06:38:56 2024-05-06 06:38:56 EM75UC > EM75IE 54.9 miles 96° 2024-05-06 06:38:56
W4AM 1 2024-05-07 14:13:45 2024-05-07 14:13:45 EM75JC > EM75IE 7.8 miles 162° 2024-05-07 14:13:45
KI4LAX-15 61 2024-05-01 16:42:45 2024-05-05 20:01:43 EM74KX > EM75IE 16.8 miles 149° 2024-05-05 11:36:58
KQ4QMR 3 2024-05-04 11:54:36 2024-05-04 11:56:31 EM74KX > EM75IE 19.0 miles 146° 2024-05-04 11:54:36
KQ4FFP-8 8 2024-05-12 14:51:24 2024-05-12 15:06:27 OM44JF > EM75IE 7549.3 miles 348° 2024-05-12 14:56:48
WE4MDA-4 4 2024-05-16 10:56:41 2024-05-16 11:13:43 EM74FL > EM75IE 52.4 miles 197° 2024-05-16 11:13:43

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.
User guide · FAQ · Blog · Discussion group · Linking to aprs.fi · AIS sites · Service status · Database statistics · Advertising on aprs.fi · Technical details · API · Change log · Planned changes · Credits and thanks · Terms Of Service · iPhone/iPad APRS