[Elecraft] 2.7 vs 2.8
Barry N1EU
barry.n1eu at gmail.com
Mon Apr 12 09:35:51 EDT 2010
hf4me wrote:
>
> The difference is the slope of the skirts being steeper on the 8 pole,
> BUT, when
> you NEED to rid yourself of close a close in strong station, you will be
> far
> better off to have added a 2.1 or 1.8 filter rather than trying to "get
> by"
> with the 2.7 OR the 2.8 filters.
>
Why? If there's a single offending station, using the shift control with a
2.8Khz-8pole filter will be just as effective as with a 1.8Khz-8pole filter
in minimizing the interference since the slopes are similarly steep.
73, Barry N1EU
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