On Jun 14, 2006, at 12:34 AM, David Hachadorian wrote:
> Well, a shorted .25 stub for 20 passes 20 and rejects 10,
> not very valuable.
>
> Here is a better trick to remember:
> 40m .25 stub (23' @ vf=.66)
> shorted, passes 40/15, rejects 20/10
> open, passes 20/10, rejects 40/15
> Make one stub, use a switch to open/short the tail.
How broad are these stubs? Wouldn't a 1/4 wave stub tuned for 7.1 MHz
only pass 15m at 21.3 MHz? Can they practically pass/reject the whole
band?
Bill Coleman, AA4LR, PP-ASEL Mail: aa4lr@arrl.net
Quote: "Not within a thousand years will man ever fly!"
-- Wilbur Wright, 1901
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