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Callsign, ship name or locator: Clear       
Stations near current position of GM/SI-104
callsign distance last heard - UTC      callsign distance last heard - UTC
EW741814.4 km 307°2025-03-14 03:35:58 GM0HBK-1038.8 km 145°2025-03-14 03:33:59
MM7ETU-749.5 km 151°2025-02-16 15:29:37 MM7ETU-D49.5 km 151°2025-03-14 03:34:08
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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