> clipping action resulting from nonlinearities or overload. For strong
> broadcast stations a third harmonic could actually be generated right in
the
> receiver being tested and I have seen this happen.
> Bingo, the poorer the receiver the
> greater the signal to noise ratio on the third harmonic where the rig is
> tuned. Or good radio bad SNR, bad radio good SNR. I for one certainly
would
> not base any rig purchasing decisions based on tests using a signal of
> completely unknown origin or precise signal strength.
This is a very good point! Earl, how do you know the increase in third
harmonic "copy" is not actually from rig defects??
73 Tom
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