[Elecraft] KPA-500 and RTTY

[John K3TN]

Same experience here: K3 driving the KPA-500 on 220v to about 500w out with
23-26w drive, depending on band. When RTTY CQing, with reasonable period
between CQs (like 3-4 seconds), amp temp gets up to 57-60c and the fan does
its thing.

When I'm getting answers to every CQ, amp temp usually stays below 58c and
lower when I'm S&Ping. If I'm fighting to keep a frequency and leave less
time between CQs, amp temp will go up in high 60s but I then back off and
have never gotten a HI TEMP warning.

I find it to be a FB amp for medium power RTTY work.

John K3TN



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