Topband: IC-756pro2 A/B Test Results

[Barry N1EU]

Like many topbanders, I'm also very interested in the differences between 
receivers in their ability to pull weak cw signals out of the noise.  
Although I appreciate Earl's efforts in this regard, a question arises about 
Earl's test methodology.  In my subjective experience, it's often the case 
that I'm aware that a dx station is transmitting on frequency, and I can 
tell when he begins and ends xmsn, but I still am unable to actually copy 
the cw he's sending in the presence of the noise.  I'm intrigued that under 
the same circumstances (and bandwiths), the signal is more "copyable" on 
some receivers than others.

If I understand Earl's test methodology, he is checking readability of a 
steady weak carrier.  Such a test would not seem to reveal the subjective 
copyability that I've described.

73,
Barry N1EU

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