M3ZZF U.K Amateur/Ham Radio Station. - AGB Digital Europe - FT4 Mode Class 1 Award . | Facebook
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Ham Radio Deluxe - Active on HF SSB, FT8, FT4, CW: OA7/DD5ZZ Peru by Alex, DD5ZZ, 30 Jul - 17 Sep 2021; If this isn't yet in your Ham Radio Deluxe logbook,
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投稿採用分には掲載誌や粗品を贈呈>CQ ham radio編集部が「FT4運用体験記」を募集中 | hamlife.jp
FT4 vs FT8 - A new Ham Radio mode, what's the difference? - YouTube