Doporučení Android aplikace US Radio License - Extra

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US Radio License - Extra

Exam preparation for Amateur Radio license 'Extra Class' Before you can get on the air, you need to be licensed and know the rules to operate legally. In the US there are three license classes—Technician, General (Klasse E in Germany) and Extra (Klasse A in Germany). The Amateur Extra class…

Adresa: https://www.stahuj.cz/vzdelavani/us-radio-license-extra/