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Re: [CQ-Contest] Bandpass filter

from [Gary Sutcliffe] [Permanent Link][Original]
To: cq-contest@contesting.com
Subject: Re: [CQ-Contest] Bandpass filter
From: Gary Sutcliffe <w9xt@unifiedmicro.com>
Date: Wed, 04 Jul 2012 10:52:25 -0500
List-post: <cq-contest@contesting.com">mailto:cq-contest@contesting.com> 
Has anyone built a switching stub box for multi-band operation that 
switches in the proper stubs for the current band?  Any issues or things 
to watch out for?

Thanks!

Gary, W9XT
www.w9xt.com

>
> 15m stub system that rejects 20m provides this feature.
> http://www.k1ttt.net/technote/k2trstub.html
>
> K2TR recipe via K1TTT web says a 23' piece of RG213 as a shorted stub
> stops 10&20m; passing 15m.
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