Peraturan Internasional Ethics-and-Procedure-for-Radio-Amateur-IARU Minimum Qualifications of Radio Amateurs-ITU-R Radio Regulations-2020-00013-Vol.I-EA5 Radio Regulations-2020-00013-Vol.II-EA5 Radio Regulations-2020-00013-Vol.III-EA5 Radio Regulations-2020-00013-Vol.IV-EA5