[Elecraft] need some roofing filter advice?

[Joe Subich, W4TV]

 > I removed the 500hz filter pair that I used to also have installed.

1.8 KHz and 200 Hz may be fine if you don't do any RTTY.  However, for
either RTTY DX or contesting, you will want 500 Hz, "400 Hz" or "250
Hz" (370 Hz) filters.

73,

    ... Joe, W4TV


On 7/14/2011 9:29 AM, Barry N1EU wrote:
>
> Bill W4ZV wrote:
>>
>>
>> Barry N1EU wrote:
>>>
>>> I disagree.  I have switched to full-time use of 200hz 5-pole filters in
>>> both receivers for cw, configured as 300hz bandwidth in CONFIG menu.  My
>>> width is typically set at 300hz.  For contesting (running and S&P) and
>>> 160M dx'ing, this works exceptionally well for me and I feel no need for
>>> a wider cw roofing filter.
>>>
>> Yes and no.  Perhaps in extremely crowded contests but maybe not for more
>> casual operating or on sparsely populated bands.
>>
>
> For more casual operating or on sparsely populated bands, the 1.8Khz filters
> do just fine for me.  After all, it's 95% dsp.
>
> I find the advantages of the narrow roofing filter greatly outweigh any
> minor advantage of having a wider cw passband in contests.  When running,
> they protect me from offending neighbors who would have otherwise ran me off
> my run freq, which occurs a few times in EVERY contest - far outweighs the
> one or two off frequency callers I might have missed.  And in S&P, the
> narrow filters allow me to hear that weak signal right next to that s9+
> running station and give me those dx mults in 160M contests.
>
> I removed the 500hz filter pair that I used to also have installed.
>
> Different strokes . . . .
>
> 73, Barry N1EU
>
> --
> View this message in context: http://elecraft.365791.n2.nabble.com/need-some-roofing-filter-advice-tp6581353p6583241.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>