here. I read that before, but I think now that I've been playing around with
> -----Original Message-----
> From:
[hidden email] [mailto:elecraft-
>
[hidden email]] On Behalf Of Ron D'Eau Claire
> Sent: Wednesday, February 20, 2008 7:35 PM
> To:
[hidden email]
> Subject: RE: [Elecraft] Roofing Filters
>
> I see that Lyle (Mr. DSP) stepped in with the answer I couldn't have given
> you anyway <G>. That's the beauty of this reflector: lots of expertise and
> resources. I seldom "answer" a question without learning something myself!
>
> Someone else dropped me a note reminding me that Wayne discusses roofing
> filters on the Elecraft web site and, in particular how he addressed the
> design issues of employing them in the K3. That FB write up is here:
>
>
http://elecraft.com/K3/Roofing_Filters.htm>
> Ron AC7AC
>
>
>
> -----Original Message-----
> From: Dave Van Wallaghen [mailto:
[hidden email]]
> Sent: Wednesday, February 20, 2008 2:21 PM
> To: 'Ron D'Eau Claire';
[hidden email]
> Subject: RE: [Elecraft] Roofing Filters
>
>
> First, thank you Ron for putting that in a very comprehensive manner that
> even I could understand ;-) As usual, you've turned on the "light bulb".
>
> Now, when I purchased my K3 and debated on my purchase of the roofing
> filters, I spoke with a few hams who said that the roofing filters were
> primarily for blocking out close in and powerful signals and that if I
> didn't have that problem where I live, that the standard DSP filter with
> the
> standard 2.7khz filter would probably suffice. And that is what I did.
>
> But I wonder (always dangerous), if operating on some of the noisier
> bands,
> would there be a benefit to using a narrower filter to cut down on the
> amount of energy hitting the DSP in order to help with digging out weak
> signals? Or is that not a consideration with this particular
> implementation
> of DSP in the K3?
>
> As is, it has been fun playing around with digging out weak signals and
> enhancing them. I need to get a better antenna to rig switching setup so I
> can make a/b comparisons with my K2.
>
> Thanks in advance,
> Dave W8FGU
>
> >
>
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