I wrote:
 >         Before I got your E-mail, I just reset all
my Thresholds to 10 uV!  I noticed it was 3 uV
for F/M/S but 10 for Prog.  That could very well
explain the seemingly inconsistent results I've
gotten.  In contests, I normally use Prog so that
I have full control of everything...and if that were
10 uV it would explain why I had no problems
in contests.
         I just ran my MFJ-259 through an external
Preamp to get an S9+60 test signal.  Even with
Threshold at 1 uV, Internal Preamp On, RFGAIN 100
any NB setting and any roofing filter, I cannot
induce distortion.  I've heard it before so I know
it happens under some conditions, but whatever they
are I cannot seem to duplicate them at the moment.
                                         73,  Bill  W4ZV
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