[Elecraft] KPA500 reduced recieve signal

Bob McGraw K4TAX rmcgraw at blomand.net
Tue Jan 28 20:24:31 EST 2020


Is your receive bandwidth changing between modes?  I wouldn't think 
changing the amp would affect the receiver.   I'd say a more careful 
evaluation would determine the T/R switch in the amp is the culprit.

73

Bob, K4TAX

On 1/28/2020 6:46 PM, Harry W4HWD wrote:
> When I switch the amplifier from Standby to Operate, I see and hear a
> noticeable reduction in received signal strength, both on the S-meter and in
> my headphones. Signal strength goes back up when I switch from Operate back
> to Standby. *Seems to only do it in DATA A mode*. No change on CW. Any ideas
> why? Rig is a K3S, using enhanced mode cables, if that matters.
>
> Harry W4HWD
>
>
>
>
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