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Re: [TenTec] Scout has vy low Pwr out on some bands

To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
Subject: Re: [TenTec] Scout has vy low Pwr out on some bands
From: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Thu, 17 Jul 2014 00:07:18 +0200
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Ha, so we do have a common past.

Actually we were Tektronix.
We had the exclusive distributorship for Germany for over 30 years.
We were treated just like TEK employees.  Same training, etc.
In fact I am still a member of the Tektronix ham radio club which consists
of all hams that ever worked for Tektronix.

73 - Rick, DJ0IP
(Nr. Frankfurt am Main)


-----Original Message-----
From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Ken Brown
Sent: Wednesday, July 16, 2014 9:47 AM
To: Discussion of Ten-Tec Equipment
Subject: Re: [TenTec] Scout has vy low Pwr out on some bands

 >This is the way we cleaned contacts when I worked for Rhode und Schwarz in
the 70s, repairing Tektronix oscilloscopes.

This brings back memories, as I used to repair and calibrate Tektronix
oscilloscopes in the '70s too. Our procedure was to rinse them (the whole
scope) with deionized water. Wash them with a solution of water and a
product called "Kelite." Some sort of detergent from Allied Chemical, rinse
them with DI water again, and put them in a drying oven for about a week.
When we got them out of the oven we carefully applied
WD40 to every switch contact and connector using a small paintbrush. We
absolutely did not spray WD40 on anything. It was applied carefully only to
the contacts and the positioning ball/spring thing in rotary switches, also
the wipers on potentiometers. I suspect that DeOxit or Cramolin would have
been better than WD40, but WD40 is what we used. I'm pretty sure we were
following Tektronix recommended procedures.

 >The Q-Tip is a good idea. The problem is, the entire plug is very narrow
but long. It's hard to get down in there.
 > A Q-tip is probably the best bet.

I suggest that a small paintbrush may be a better option than a Q-Tip. 
The cotton fibers of a Q-Tip could catch on something and be left behind on
the contact. I think with a tiny paint brush you have less chance of leaving
a bristle behind.

DE N6KB
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