I gang med LEO satellitter

LEO betyder Low Earth Orbit. For at sende over LEO satellitter skal du anvende 145 MHz, 435 MHz og måske 1268 MHz. Du skal derfor have et D-certifikat. LEO satellitter Figur 1. LEO satellittens kredsløb. LEO satellitter kredser omkring Jorden i lav højde, mellem 500 km og 800 km over Jordens overflade. Det er små satellitter som ofte vejer 1 – 5 kg. Når en LEO satellit passerer over din QTH kan du høre den i max. 15 minutter. Ofte varer en passage kortere tid. Figur 2. Kommunikation via AO-92.…

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Forklaringer til Almindelig teknisk prøve 2018-05-15

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