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Illustrating IF vs. Audio Filtering for Improved CW Rcv

Filters help CW ops dig out low-level signals by ear. This shows how both IF and audio versions improve copy. A sound file that contains a qso recorded from 7114 is located on the Yahoo board, under Files > Other Stuff. It is named "IF es Audio Filters - an example.mp3." For the 1st 10 sec...
by NG5NG
Sat Mar 14, 2009 6:51 pm
 
Forum: Beginners Corner
Topic: Illustrating IF vs. Audio Filtering for Improved CW Rcv
Replies: 2
Views: 3363

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