[Elecraft] [K3-KPA500] SWR jumps up with 5 second key down

VK1OO, Mike Walkington mike.walkington at gmail.com
Sun Apr 28 07:04:26 EDT 2013


All,

I think I've finally found the cause of my problem.  The PVC spacer that
goes around the driven element where it is attached to the boom plate has a
cut down one side to to allow it to compress when tightened with a u-bolt.
What I could not notice until I totally dismantled the element was that the
split was full of carbon as was the mounting plate along the length of the
split. I am assuming that the split which was facing up filled up with water
and helped create an arc between the driven element and mounting plate. 

Mike
VK1OO



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Cheers
Mike
VK1OO (ex AC7MZ, VK1KCK)
K2: 2599
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