Re: K3 AGC Mush

Posted by Geoffrey Mackenzie-Kennedy-3 on Dec 04, 2011; 11:57pm
URL: http://elecraft.85.s1.nabble.com/Fw-CQ-WW-DX-Contest-CW-2011-Unofficial-claimed-scores-tp7060148p7061352.html

Merv,

Does the mush "disappear" or noticeably decrease if you switch to a much
wider bandwidth roofer (1800 Hz or more), while keeping the DSP's bandwidth
set at 400 Hz or less?

73,

Geoff
LX2AO   (aka GM4ESD)


Merv Schweigert wrote on 04/12/2011 at 23:51 +0100:

>I start noticing it with more than 4 or so stations calling and with all
> within the passband of the filter in use,  so if I have the 400HZ filter
> in and DSP set for 400 the callers can be up to almost 400hz apart,
> I have heard it with the 1.0 filter as well.

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