Thanks Ron, that was a good read and reiterated what you and Lyle stated here. I read that before, but I think now that I've been playing around with #338, it is just sinking in now.
Thanks again for the help. 73, Dave W8FGU > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:elecraft- > [EMAIL PROTECTED] On Behalf Of Ron D'Eau Claire > Sent: Wednesday, February 20, 2008 7:35 PM > To: [email protected] > 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:[EMAIL PROTECTED] > Sent: Wednesday, February 20, 2008 2:21 PM > To: 'Ron D'Eau Claire'; [email protected] > 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 > > > > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
