Re: need some roofing filter advice?
Posted by
Matt Zilmer on
Jul 14, 2011; 12:16am
URL: http://elecraft.85.s1.nabble.com/need-some-roofing-filter-advice-tp6581353p6581388.html
Chuck,
I'd go with the 250 Hz 8-pole. It's fine for PSK31 as well as CW and
keeps the in-band blocking to almost nothing.
I have one in both receivers, and it's really surprising what one can
do with it.
73,
matt W6NIA
On Wed, 13 Jul 2011 17:01:44 -0700 (PDT), you wrote:
>
>Sorry to do this to you guys but .....
>
>I need some roofing filter advice:)
>
>Currently I only have the stock 2.7K filter and it has worked fine for
>casual rag chewing and some dx'ing.
>I've been operating my K3 for over a year and it seems I don't have any
>strong signals near me creating problems.
>
>Over time my interests have changed and now I'm pursuing primarily cw dx'ing
>on 160 and 80 (lots of weak signals).
>
>I'm attempting to fill out my 'elecraft cart' to purchase the second
>receiver and am stuck on the filter choices.
>
>I can't afford lots of roofing filters so I'm thinking of going with one cw
>filter on both main and sub (for diversity receive capability).
>
>It seems the 250 or 200 may be too limited in application so given the above
>would you suggest the 400 Hz 8 pole or the matching 500 Hz 5 pole filters?
>
>thanks for any advice.
>chuck
>af4xk
______________________________________________________________
Elecraft mailing list
Home:
http://mailman.qth.net/mailman/listinfo/elecraftHelp:
http://mailman.qth.net/mmfaq.htmPost: mailto:
[hidden email]
This list hosted by:
http://www.qsl.netPlease help support this email list:
http://www.qsl.net/donate.html