[CQ-Contest] Bandpass filter

[Gary Sutcliffe]

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.