[CQ-Contest] Receiver adjustments in CW contest conditions

[Jim Brown]

On 12/15/2021 2:52 PM, Hans Brakob wrote:
> Now consider if I used a sidetone of 800Hz (for an example).  The same fellow fires up 100Hz away.  Now the percentage of separation drops to 12.5% (from 33%) and my wetware will have a much more difficult time rejecting the interference.

Yep. I too figured that out long ago, although my preferred sidetone is 
around 500 Hz. And the downside of a low sidetone is that it's too easy 
to miss slightly off-frequency callers on the low side.

73, Jim K9YC