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[TenTec] 555 NB - is it working?

To: <tentec@contesting.com>
Subject: [TenTec] 555 NB - is it working?
From: brian@iquest.net (Brian)
Date: Wed, 27 Oct 1999 12:55:43 -0500
How can I tell if the noise blanker in my 555 is working? I don't notice
much of a difference in the audio when I engage it, except that I hear
this faint whine in the background. Like a whistle, just not overly
loud.  I flip it to the OFF position and the whistle goes away.

Bought this 2 weeks ago from Ten Tec used but I'm not sure this NB
thingie is working. It's not appearing to be blanking any noise.

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  KB9BVN :NORCAL #2792 FISTS #5695/CC# 764 QRP-L #1540
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=========================================================

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