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aeonik
on Oct 17, 2022
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Koch method to learn Morse
Ham radio operators still use it, it's just required for licenses in United States anymore.
I believe radiobeacons still use them as part of their identification protocol in aviation as well.
whoooooo123
on Oct 17, 2022
[–]
I think you're missing a "not"
aeonik
on Oct 22, 2022
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You are correct.
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I believe radiobeacons still use them as part of their identification protocol in aviation as well.