Learn Morse code by ear — a fast, beautiful, sound-first CW trainer. PWA, offline, open source.
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Updated
Jul 5, 2026 - TypeScript
Learn Morse code by ear — a fast, beautiful, sound-first CW trainer. PWA, offline, open source.
CW/Morse code trainer for the R36S handheld — Koch method, waterfall band explorer, glossary, and challenges
From your first two characters to a full on-air QSO — a complete CW trainer for ham radio operators. By Wisco Radio Labs, made in the Driftless.
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