[Elecraft] K3 for CW

[Joe Subich, W4TV]

> As for filters, I think I'll go with the 8-pole 400 and upgrade the
> 2.7 to the 2.8. It is my understanding that the 8-poles have zero
> offset and thus I can add these to the sub in the future without
> matching issues.

I went the 2.8, 400, 200 route in the main RX and 2.8, 400 only in
the sub RX.  If I had it to do over I would probably not bother to
"upgrade" the standard 2.7 KHz filters to 2.8.  The 2.7 is wide
enough than one can "split the difference" in order to maintain
phase lock in diversity.  If one absolutely needs better skirt
performance in a wider filter, adding the 1.8 KHz provides added
flexibility at very little added cost (replacing 2.7 with 2.8 is
$129.95, purchasing the 1.8 or 2.8 outright is only 139.95!).

73,

    ... Joe, W4TV



On 7/4/2012 9:15 PM, Don KB1YBG wrote:
> Hi All,
> Thanks for all the great info.  Just what I was looking for.  As suggested
> I'll scrap the dvr and add the KXV3A.  Who knows, I may add a P3 someday but
> would like to put up a receive antenna soon.  I have it on the K2 but have
> not used it.  As for filters, I think I'll go with the 8-pole 400 and
> upgrade the 2.7 to the 2.8.  It is my understanding that the 8-poles have
> zero offset and thus I can add these to the sub in the future without
> matching issues.
>
> I still have to study all the info you've provided but sounds great.
>
> Thanks and 73,
> Don
>
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