[Elecraft] K3 Filter question - SSB

[Barry N1EU]

Bill W4ZV wrote:
> 
> However, given that most SSB signals generate 3rd garbage (spurs, phase
> noise, etc) in the area of -35 dBc, an S9+30 signal just outside your 1.8k
> passband will easily obliterate a weak signal inside the passband.
> 
I agree.  Although I routinely use 1.8Khz roofing filters in ssb contests, I
doubt they help at all and are probably a waste of money.  

What does help to copy a weaker signal in the presence of splatter is to
turn AGC off.

Barry N1EU


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