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Callsign, ship name or locator: Clear       
Stations near current position of SR4UG-B
callsign distance last heard - UTC      callsign distance last heard - UTC
SQ4CVC-112.9 km 318°2025-01-20 07:31:51 SR4SUW-FM27.3 km 291°2025-02-10 18:50:03
SP4MN-FM27.8 km 284°2025-02-10 18:40:05 SP4BK-FM31.3 km 227°2025-02-10 17:59:15
SR4SU-1535.3 km 301°2025-02-10 18:58:59 SR4SU10835.3 km 301°2025-01-23 08:13:27
438.800SU35.3 km 301°2025-02-10 18:50:20 GW557938.1 km 96°2025-02-10 19:06:23
LY1MR-546.0 km 76°2025-01-28 13:14:08 SQ4PS-955.9 km 233°2025-02-10 19:00:02
LY0RAM-R59.4 km 47°2025-01-21 18:32:18 LY0RAL59.4 km 47°2025-02-10 19:01:40
LY1MR-760.9 km 46°2025-01-25 08:22:42 LY4MR-1064.1 km 50°2025-02-10 14:15:16
LY4MR-164.1 km 50°2025-01-13 06:42:46
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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