[Elecraft] K3/KPA500/KAT500 SWR problem

[Fred Jensen]

On 12/30/2013 12:48 PM, Buck - k4ia wrote:
> I had a similar issue.  Drove me crazy.  Then one day I put my hand on
> the PL259 on my antenna switch and noticed it was warm.  Swapped out the
> 90 degree connector on the coax and problem solved.  The high power from
> the amp must have been causing a fault in the connector.
>
> Lesson 1.  Check all your connections.
> Lesson 2.  Stop buying cheap coax connectors

Yep.  The only ones I've been using are Amphenol with the silver 
plating.  The solder well, and I've had no problems since I gave up on 
the "offshore" ones at RS.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2014 Cal QSO Party 4-5 Oct 2014
- www.cqp.org

"The problem with Lessons Learned is that they rarely are."
     Leo Endres, philosopher/engineer/colleague