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Wow, you learn something new everyday. Here, as a Heathkit
collector, I thought I knew the 303' in an out, and, well, I just
happen to have a 1971 Heathkit Catalog...and guess what--if you look
very, very carefully at the pic of the 303', it does say "noise
blanker" in the rf attenuator spot. And it is definately "blocked
out", as if at press time they weren't sure they could get the thing
to work. Now, because this looks like about the time of the 303's
introduction, it appears that the engineers had a NB in the 303'
from the start, but probably couldn't get it to work right--I'm
guessing this, please understand. In my years of working at Heath,
I never saw a 303' come in for service--most hams built them
flawlessly and there was little to go wrong in them once they were
built. So I never saw one with "noise blanker" printed on the
panel. I'm guessing you have a very, very early model....if you
still have the famous blue/silver/white sticker on it, tell us the
serial #. I'm at my vacation home at the moment, but when I'm back
at my home QTH, I'll look at my 303's (I own two of them...) and
I'll be your # is very low....As I said previously, you own a rare
piece of Heathkit history...fascinating for those of us that loved
and have studied the history of the company....Again, make sure
Penson is aware of this...<br>
Guy,<br>
WA6OQQ<br>
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