[CQ-Contest] Bandpass filter

Gary Sutcliffe w9xt at unifiedmicro.com
Wed Jul 4 08:52:25 PDT 2012

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?


Gary, W9XT

> 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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