[Elecraft] Ok, I think I have CAL FIL Figured out, but....

[Lee Buller]

Man, am I throwing up my brains tonight....

I think that I have the filters close to where they should be.  But, I have 
another questions for the experts.

On CW I have the K2 filters centered on 700 Hz.  Every one of them  When I 
went to 40 meters and tuned in a signal....all the filters worked at 700 
Hz.  As I switched through the filters the sign al kept steady but the 
garbage was filtered out.  But, I noticed in the 700 position that on 
strong signals there is an artifact on Spectrogram around 2100 Hz.  It has 
to be a strong signal.  Going to 400 Hz knocks it down but not out.

Is this an artifact or a harmonic of 700 X 3 = 2100?????

Anyone know about this?

Lee