[Elecraft] High SWR problem

[Rob May]

Don,
I think you're right, it is an antenna problem.  No problems on a dummy load at any power.  Well, it's up to the roof.  Thanks.
Rob
NV5E

> Date: Tue, 21 Oct 2008 14:19:03 -0400
> From: w3fpr at embarqmail.com
> To: roblitespeed at hotmail.com
> CC: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] High SWR problem
> 
> Rob,
> 
> You may have something in your antenna system that is arcing at high 
> power, but is working just fine at low power.
> 
> 73,
> Don W3FPR
> 
> Rob May wrote:
> > All has been fine with my K3 until today.  The display is indicating  
> > "High SWR" when I transmit on SSB.  The KAT3 indicates a 1.0:1 match, 
> > but the when I transmit the swr meter is high and I get the high swr 
> > message on the screen.  If I turn it down to 5 watts and send a tone 
> > with Digipan, the swr is fine, but turn it up to 100 watts and the swr 
> > is back up.  Nothing obvious has changed, the antenna is 2:1 on my 
> > analyzer with no tuner.  If I bypass the antenna tuner, the bar graph 
> > meter on the K3 shows about 2:1.  But if I switch in the KAT3 and 
> > tune, it indicates 1.0:1 but when I transmit it's high.  I've swapped 
> > coax jumpers between the radio and the antenna with no difference.  
> > Thanks for any suggestions.
> > Rob
> > NV5E
> >

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