[CQ-Contest] CW Filters & When to use them

Jim Reid jreid at aloha.net
Thu Sep 18 17:49:45 EDT 1997


At 05:06 PM 9/18/97 -0700, Ken.Silverman at zool.AirTouch.COM wrote:
>
>One of the key things I am concerned about is the insertion loss of the
>tighter filters.  Normally I like 500 Hz cascaded filters, and will never
>use 250hz filters in contests (especially from the DX side, from which I do
>a lot of contesting).

You did not name your rig.  If a Kenwood, yes you do have insertion loss
not made up for in added gain in the rig design.  If a Yaisu,  then you
should not be having insertion loss problems.  I have both 950SDX here
and 1000D;  the D does not have this problem.

73,  Jim, KH7M

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