[Elecraft] KX1 with KXAT1 power out fluctuation

[Don Wilhelm]

John,

Some 'uncertainty' can be expected in the KXAT1 wattmeter indication, 
but not as much as you report - +/- .2 watts is about what you can 
normally expect.  It does take a little time for the power indication to 
settle down (the microprocessor is doing a lot of things during TUNE).

I would check the KX1 and the KXAT1 for good solder connections as a 
first course of action.

73,
Don W3FPR

John Shadle wrote:
> Just wondering, but should I expect wild fluctuations in power out 
> measured by the KXAT1 after tuning?
> 
> For example, I just installed the tuner and have calibrated it to the 
> best of my ability. After tuning to a dummy load the power out on 40m 
> shows values of 1.9 to 2.8 and pretty much everything between those values.
> 
> I checked to make sure nothing was touching anywhere or there were any 
> shorts and didn't see it. I was just wondering if this is normal 
> behavior (i.e., the wattmeter isn't that accurate) or if something might 
> be wrong otherwise.
> 
> I'll post photos sometime soon of the final build for S/N 1601.
> 
> Thanks.
> -john W4PAH
> 
> 
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