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>Why did they look good on 80-20?  Well, perhaps dumb luck.  But as you go 
>higher in frequency, it gets harder and harder to become "lucky."
The better question, I guess, should be "Why did a _second_ SB-220
turn in PERFECT readings on ALL BANDS when checked the very same
way?".  This (second) amp indicated points of resonance just barely
below the bottom of EACH band, 10M-80M inclusive.
However, I will take your suggestions into consideration.
Thanks for your reply.  Appreciated.
73 - Tom Hammond   N0SS
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