ARLA/CLUSTER: Aplicação para Android para aprender telegrafia segundo o método Koch

[João Costa > CT1FBF]

20wpm Koch amateur radio Morse code trainer app for Android

Learn to recognize Morse code at 20 wpm, and not memorize dits and dahs at
5 wpm.

This app will train you to copy Morse code at 20 wpm using an approach very
similar to the Koch method

https://play.google.com/store/apps/
details?id=appinventor.ai_izzybella419.MorseCodeTrainer20WPM
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