[Elecraft] Interesting QSO

[Sverre Holm (LA3ZA)]

Wayne.

A CW sidetone pitch of 400 Hz is consistent with what little research there
is on this. A paper from 1992 says that "/All subjects improved their
recognition as the frequency was lowered to 500 Hz, some even at 250 Hz./" 

See
https://la3za.blogspot.com/2013/10/studies-on-morse-code-recognition.html



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Sverre, LA3ZA

K2 #2198, K3 #3391,
LA3ZA Blog: http://la3za.blogspot.com,
LA3ZA Unofficial Guide to K2 modifications: http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html
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