Topband: Sherwood data

James Kearman jkearman at
Fri Feb 16 10:50:56 EST 2007

Tom Rauch wrote:
> 4.) AGC can affect readability of weak signals near noise. 
> Humans do NOT want a perfect AGC when copying weak signals 
> near noise. They do not want a perfect AGC in pileups 
> either. Designing a receiver with no volume change for 
> signal level change is a mistake for HF DXing or contesting 
> use.
I will raise my glass to this one in particular. "Good" AGC bypasses the 
best signal processor we have -- our brains -- which can use slight 
differences in signal amplitude to separate signals. If I ever build my 
dream receiver the AGC is going to get a lot of attention.


Jim, KR1S

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