[Elecraft] K2 Power meter

[Tom Campie]

I calibrated the tuner to a 50 ohm load on CALP.  With the tuner tuned  
to a non-50 Ohm load, the requested power does not match the output  
power by any definition of the word.

Tom

On Jul 19, 2009, at 9:48 PM, Don Wilhelm wrote:

> Tom,
>
> No adjustment is required.  In CALP state, the tuner must be working  
> into a 50 ohm load for accurate power readings.  If you are  
> connected to an antenna that has a feedpoint impedance other than  
> 50+j0 impedance, you can expect "unexpected" results.
> When you change the ATU menu to Auto and do a TUNE, the tuner has  
> done its job of providing a 50 ohm match to the K2 and the power out  
> will be as requested.
>
> 73,
> Don W3FPR
>
> Tom Campie wrote:
>> This has been beaten over and over I think but I haven't found   
>> anything on it yet:
>>
>> I just got back from the lab at work and used a very well  
>> calibrated  power meter to calibrate my KAT2 power meter.  Now on  
>> 40m at home, I  set my power control to 5w and tuner to Pout.  The  
>> tuner now reads  2.9w.  Not until I tune the requested power to 8  
>> watts or so does the  tuner say I'm putting out 5 watts.  Isn't  
>> there a way to adjust it so  that the requested power matches the  
>> tuner output power so that the S/ Power meter reads the right  
>> value?  That's the most annoying part...
>>
>> Tom
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