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[Towertalk] Dow-Key dirty contacts. & SO-239 Covers

To: <towertalk@contesting.com>
Subject: [Towertalk] Dow-Key dirty contacts. & SO-239 Covers
From: rmoodyg@bellsouth.net (Richard M. Gillingham)
Date: Sat, 14 Dec 2002 23:40:03 -0500
You should use a contact burnishing tool.  A file is too rough, and may 
damage the contacts.  

I know many who use plastic food storage containers to protect 
electronics outside.  I use 'Stuff", a white substance that you fill the 
connector with that displaces water.  And silicone grease on the 
outside.  Of coarse there's always Coax-Seal on top of 3M   33 tape.   
Ugly, but works.

73, Gil
W1RG

Ken Kinyon - W7TS wrote:

>Hello to all.
>Here is a real bargain:  two questions in one message.
>1.  I have a few Dow key relays in my antenna switching set up.  One of them
>when de-energized, is not making good contact (signals very weak).  Hit the
>key once even with 30 watts RF and it works again.  I am planning to remove
>the small hole cover on the end and clean the contacts wit an automobile
>ignition contact file. Please tell me if this is not a good idea for some
>reason.
>
>2. Is there a cover available to coverSO-239 connectors outdoors.  I just
>bought a remote switch for the top of the tower and will not initially use
>all positions?  I was considering filling some old used connectors with
>silicon seal, but prefer a more elegant solution.
>Thanks in advance,
>Ken W7TS
>
>-------------------
>Kenneth E.  Kinyon
>34 Princeton Circle
>Longmont, CO 80503-2106
>Voice: (303) 684-0037
>Fax:  (303) 776-5088
>E-mail: W7TS@attbi.com
>         W7TS@qsl.net
>         W7TS@arrl.net
>ALPCA #8339
>ARRL-LM
>-------------------
>
>
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