What is most likely to have fooled you is that if you are transmitting
into a dummy load, then what you are hearing in an antenna-less nearby
second receiver is miscellaneous leakage from the K2 case.  This could
easily change when the termination of the low power stage changes its
termination from the dummy load to the input of the 100 watt stage.

Glad the direct measurement is FB.  Enjoy.   73, Guy.

On Sat, May 7, 2011 at 1:48 PM, Brian - N5BCN <n5...@yahoo.com> wrote:
> Hi all,
>
> Here's the results of my power measurements:
>
> Requested/Measured Power
>
> 5 W   -->  5.81 W
> 10 W --> 11.06 W
> 11 W --> 11.93 W
> 20 W --> 18.22 W
> 30 W --> 30.25 W
>
> Looks pretty good to me.
>
> The take away lesson is not to rely on a separate receiver to judge signal
> strength.
>
> It's still a mystery to me why there is such a drop off in heard signal
> strength going from 10 to 11 W, but the wattmeter doesn't lie.
>
> Thanks to all that helped out and putting my mind at ease!  Now on to
> testing on the rest of the bands.....
>
> 73
>
> N5BCN - Brian
>
> -----
> K2 #6800 KPA100/KAT100-2, KSB2, KAT2, KIO2, K160RX, KNB2, KAF2, LP-PAN/K2 w/ 
> Pre-amp, SignaLink USB
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/K2-KPA100-transmit-test-fail-tp6339548p6340510.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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