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Callsign, ship name or locator: Clear       
Stations near current position of LA4JSA
callsign distance last heard - UTC      callsign distance last heard - UTC
LB7DI-716.4 km 115°2025-02-08 21:09:58 LA/HE-31819.9 km 117°2025-02-08 20:50:00
LD8MK20.0 km 95°2025-02-10 19:28:40 LA/HE-23720.0 km 95°2025-01-11 20:37:20
LA1JFA-533.7 km 28°2025-01-30 12:30:32 LD8BS40.3 km 298°2025-02-10 19:28:50
LA7GM-140.3 km 298°2025-02-08 04:10:25 LA1JFA-243.9 km 52°2025-02-10 19:29:43
DO3MLA-L349.8 km 324°2025-02-10 19:20:29
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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