[Elecraft] K2/100

[W3FPR]

Andrew,

Your first problem is power control, that will not be seen with a 
Spectrum Analyzer.
Do the voltage tests that I recommended first.  After you get power 
level control, then you can proceed to a Spectrum Analyzer if you want.

73,
Don W3FPR

On 7/28/2026 7:26 PM, Andrew Lenton wrote:
> Yep good Idea, I did not build the KPA 100, but was given it, I have 
> brought up to the latest spec, the wires are a bit short, RF, DC and 
> ribbon cable.
>
> I have changed the RF cable for RG174, but not the other too, all good 
> when resting on a book!
>
> I will pop a coupler on and see what a spectrum Analyser sees when it 
> takes off on tune.
>
> I wished Elecraft used SMA's
>
> KR
>
> Andrew
>
>