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Callsign, ship name or locator: Clear       
Stations near current position of EXPLORER IV
callsign distance last heard - UTC      callsign distance last heard - UTC
CAPRICE57.0 m 141°2025-01-23 19:01:12 SEA DRAGON145.0 m 253°2025-01-27 21:38:51
MARTHA197.2 m 280°2025-02-03 16:06:47 EVENTIDE201.1 m 279°2025-01-30 06:58:57
CAT SHOT II233.1 m 279°2025-02-07 17:11:45 KITTIWAKE238.0 m 105°2025-02-10 22:02:04
FV KARLEE338.7 m 282°2025-01-31 03:00:40 SYDNEY JANE343.8 m 289°2025-01-18 15:02:09
CHASINA351.6 m 288°2025-02-11 15:33:23 SILVER LADY356.3 m 272°2025-02-11 15:40:22
EJFR430.4 m 269°2025-01-18 19:52:19 AMSALA556.1 m 260°2025-01-31 15:31:30
VOYAGER572.6 m 255°2025-02-10 18:19:22 KAILITA575.3 m 258°2025-01-27 20:08:43
NAN-SEA646.9 m 274°2025-02-10 15:55:34 ADMIRAL PETE680.7 m 254°2025-01-15 20:40:02
MCCLURE BAY707.1 m 253°2025-01-31 23:58:09 SUNNYVALE717.5 m 253°2025-02-05 02:20:16
MCNEIL729.1 m 257°2025-01-30 23:04:31 MONTEGO854.5 m 263°2025-01-27 23:50:51
TSUSIAT895.1 m 150°2025-01-14 23:06:46 PACIFIC GRACE984.9 m 262°2025-02-11 03:08:33
KK7MRC-71.1 km 7°2025-01-27 06:31:27 KK7MRC-51.2 km 356°2025-02-11 13:44:59
FW46671.6 km 50°2025-02-11 17:07:59 RED HEAD1.7 km 51°2025-02-10 18:08:06
GLACIER SPIRIT1.7 km 50°2025-02-07 18:32:16 GEMINI1.7 km 51°2025-01-29 06:47:21
LOST AT LAST1.7 km 51°2025-02-10 14:06:36 ROWENA1.7 km 51°2025-02-08 01:21:10
ANNA MARIE1.7 km 48°2025-01-28 00:50:56 KI7MH-71.7 km 275°2025-02-09 22:52:41
WA7TPB-101.7 km 275°2025-02-11 16:13:34 KI7MH-41.8 km 251°2025-02-01 14:14:46
WSF KENNEWICK1.8 km 70°2025-02-11 17:07:22 KK7OTS B1.8 km 311°2025-02-02 00:45:42
KK7OTS-B1.8 km 311°2025-02-02 00:45:52 3381704882.0 km 63°2025-01-20 23:08:16
TIME BANDIT2.0 km 54°2025-02-06 20:57:25 CW10352.0 km 12°2025-02-11 17:07:31
KK7IAQ-72.1 km 263°2025-02-01 18:06:59 N7MJS-92.2 km 273°2025-02-10 16:33:26
GW29222.2 km 274°2025-02-11 17:07:50 BRENDAN D II2.7 km 100°2025-02-08 02:28:15
SIR ISAAC3.1 km 39°2025-02-09 20:32:45 Pt Wilson4.2 km 14°2025-02-11 17:08:27
W3KXK-104.2 km 336°2025-02-11 17:04:16 OCEAN DREAM4.8 km 49°2025-01-21 18:22:50
GW44134.9 km 205°2025-02-11 17:05:03 EW47234.9 km 300°2025-02-11 17:04:28
C26105.5 km 187°2025-02-11 17:00:04 IDLEHOUR5.6 km 85°2025-01-21 18:48:36
BLUE6.6 km 40°2025-01-26 21:02:12 AH6EZ-117.0 km 140°2025-02-06 06:11:41
BOHEMIAN PRINCESS7.4 km 176°2025-02-07 15:36:15 ew51317.7 km 268°2025-02-11 17:00:23
DiscoBay8.0 km 238°2025-02-11 17:01:03 GLEN COVE8.1 km 171°2025-02-07 23:18:47
SEABOLD8.1 km 171°2025-01-31 00:39:30 RIPPLE8.2 km 171°2025-01-20 00:24:35
KG6OPD-138.3 km 132°2025-01-31 20:38:53 MARIANA8.3 km 169°2025-02-11 15:26:56
DRAGONFLY8.3 km 165°2025-02-11 17:06:18 KC7SCL-98.4 km 176°2025-02-06 21:41:45
PUFFIN8.4 km 169°2025-01-28 22:51:04 AH6EZ-48.5 km 132°2025-02-11 17:01:10
AH6EZ-N8.5 km 132°2025-01-14 19:06:30 PUFFIN8.6 km 266°2025-01-26 00:08:26
PACIFIC STAR8.6 km 169°2025-01-18 21:15:01 DAEDALUS8.6 km 169°2025-01-13 22:18:49
RAIN SHADOW8.6 km 168°2025-02-08 16:47:25 SEADUCKTRESS8.6 km 168°2025-02-07 15:25:31
MISCHIEVOUS8.7 km 169°2025-02-10 19:42:01 M/V LIBRA8.7 km 168°2025-02-11 16:12:02
K'INSTA KAIWA NALU8.7 km 169°2025-02-09 14:58:58 IRENE8.7 km 169°2025-02-01 20:05:35
AH6EZ-78.9 km 135°2025-02-05 00:36:01 EW466410.9 km 170°2025-02-11 17:05:18
KJ7JHH-510.9 km 170°2025-01-31 02:36:20 DW322411.2 km 12°2025-02-11 17:05:04
FW706411.2 km 264°2025-02-11 16:52:18 RV CAURINUS11.3 km 156°2025-02-05 18:46:40
SPLASH11.5 km 137°2025-01-28 22:03:18 ISLAND TIME12.2 km 107°2025-01-26 00:25:04
MOONSHADOW12.3 km 106°2025-01-17 19:14:31 KJ7LLS-1013.3 km 28°2025-02-07 16:54:24
KJ7BRS-214.0 km 27°2025-02-11 14:36:06 KJ7BRR-714.0 km 27°2025-01-22 18:44:05
KJ7BRS-714.1 km 27°2025-02-10 01:12:09 KJ7PHE-D14.8 km 58°2025-02-11 17:05:25
KJ7PHE-114.8 km 57°2025-01-27 04:57:54 K7RHY-Y14.9 km 40°2025-02-11 16:57:01
KJ7TXR14.9 km 14°2025-01-31 23:21:54 W7OG-1015.4 km 83°2025-02-11 17:05:36
Maynard15.5 km 229°2025-02-11 16:39:06 W7DAF-916.3 km 48°2025-02-11 00:41:20
DiscoBayS16.7 km 215°2025-02-11 17:00:53 GW407416.9 km 220°2025-02-11 17:04:18
CW539816.9 km 245°2025-02-11 17:00:37 FAR NIENTE17.1 km 155°2025-01-26 20:54:41
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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