[Elecraft] K1 s/n2258 and new filter kit

[Mike Morrow]

Curt wrote:

>Awhile ago, recall reading some chatter about Elecraft offering a filter 
>board kit for 20,17,15&10 once the sunspots started coming back.
>... has anyone successfully configured a 4-band filter for these 
>bands on their own?

Stephanie/VA3UXB did a lot of work on this mod for both 2- and 4-band
filter boards, details of which are at:

http://www.jl3amk.org/en/index.htm#k1_mods_12m_10m

In particular, the references at that URL refer to a 2006 posting by Wayne
with details of a 4-band board such as you desire:

http://mailman.qth.net/pipermail/elecraft/2006-January/051400.html

I've not tried these myself, but they look interesting.

Mike / KK5F