[Yaesu] FW: roofing filters

[Paul Manuel]

--- Keith Dutson <kdutson at sbcglobal.net> wrote:
> I believe the new term was first used when the filter in front of the IF
> string became selectable.  The filters you are speaking of are IN the IF
> string.  

So the filter operates AT the receive frequency, before conversion to an
IF? Hmm...
73,
Paul K4PDM

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