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Personally I wouldn't worry much about chirp (frequency pulling), unless it's really bad. It's not hard to copy, for a human anyway. It warms my heart whenever I work someone with a chirpy homebrew transmitter. Key clicks, what you're calling splatter, is another matter entirely. You'll need some sort of circuit to shape your keying envelope or your key ...


1

Listening to your recording, some of the Morse characters aren't even legitimate for the US, e.g. ··––. The timing seems fairly regular, meaning that the characters seem formed by a machine and not by someone at a straight key, but the timing isn't quite correct. The tone is quite buzzy with square-wave-like harmonics. I'm just speculating blindly, but to ...


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