[Elecraft] counter probe

[Vic Rosenthal]

"George, W5YR" wrote:
> 
> Thanks, Tom - I will do a very careful examination of the K2 output signal
> with this in mind.

Do this test with the probe in and out: transmit on 20 meter CW and listen on
14.985 MHz (or thereabouts).  You will notice a spur which is louder when the
probe is in.  I think it's the third harmonic of the BFO.

Now, whether this can actually get radiated is a question that I can't answer.

Vic K2VCO