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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