Re: [Elecraft] KPA500 hi swr error

2012-03-17 Thread WILLIS COOKE
From: Phil & Debbie Salas To: elecraft@mailman.qth.net Sent: Saturday, March 17, 2012 6:18 AM Subject: Re: [Elecraft] KPA500 hi swr error Does it work OK at 100 watts?  I had a similar problem several years ago with a different amplifier.  Everything worked well up to about 300-wa

Re: [Elecraft] KPA500 hi swr error

2012-03-17 Thread Phil & Debbie Salas
Does it work OK at 100 watts? I had a similar problem several years ago with a different amplifier. Everything worked well up to about 300-watts, then the amp would trip out. Turned out to be a bad UHF elbow that arc'd at high power. Phil - AD5X Something in the antenna or feedline connec

Re: [Elecraft] KPA500 hi swr error

2012-03-16 Thread Matt Zilmer
Something in the antenna or feedline connection might be arcing. 73, matt W6NIA On Fri, 16 Mar 2012 18:41:06 -0500, you wrote: >I put up a 40 meter vertical with elevated ground plane today. The swr >is 1:1 at the bottom of the band (where I operate). For some reason, >after sending a few char

[Elecraft] KPA500 hi swr error

2012-03-16 Thread Robert Redmon
I put up a 40 meter vertical with elevated ground plane today. The swr is 1:1 at the bottom of the band (where I operate). For some reason, after sending a few characters, the KPA 500 suddenly shows high swr and faults. After resetting, the cycle begins again. I have an analog swr/watt meter fo