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Re: [Amps] High SWR

To: Ken-W9KB <kbills@yahoo.com>
Subject: Re: [Amps] High SWR
From: Robert Morris <robrk@nidhog.net>
Date: Fri, 21 Nov 2008 15:07:02 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>

Ken-W9KB wrote:
> I was looking around on 15m this past weekend for that elusive multiplier 
> during the Sweepstakes and I noticed my exciter was folding back power as a 
> result of a high SWR between it and my amplifier. The SWR between amplifier 
> and antenna was great (handled with Palstar AT-Auto Tuner – modified to 
> accept two SO-239 inputs).
>  
> Since I was on a SteppIR at the time, I set my tuner to it's 'bypass' mode. I 
> still had a high SWR between exciter and amplifier. Last night while playing 
> around with it, I decided to add a low power tuner between my exciter and 
> amp.. Bingo, full power out.
>  
> The Palstar AT-Auto Tuner disables the exciter's internal ATU function, do I 
> have to add a 'tuned' the length of coax between exciter and amplifier or 
> should my Alpha be happy?
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> 

Was this the first time you ever used the setup on 15?


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