Re: KPA1500 Operation on 6 Meters

Posted by Adrian-3 on Jun 15, 2020; 11:46pm
URL: http://elecraft.85.s1.nabble.com/KPA1500-Operation-on-6-Meters-tp7662211p7662256.html

Did you see this part in Ed's earlier post ;

"

An LP-100A on the output of the KPA1500 is also used and displays the correct low SWR at all drive levels that I would expect to be seeing on the KPA1500 display."



This would also should any power breakdown, but it doesn't ?
Adrian Fewster


On 16/6/20 6:30 am, Jim Brown wrote:

> On 6/15/2020 6:48 AM, Ed G wrote:
>>   When setting the power output of my K3 to give varying amounts of
>> drive to the KPA1500, I am seeing SWR as displayed on the KPA1500
>> changing by a significant amount depending on the drive level.
>
> Look for something breaking down in your antenna system or between the
> power amp and the antenna. High power has a way of finding weaknesses
> that low power lives with.
>
> 73, Jim K9YC
>
>
>

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