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Re: Topband: Verifying integrity of 75 ohm coax.

To: "'Jim Garland'" <4cx250b@miamioh.edu>, "'topband'" <topband@contesting.com>
Subject: Re: Topband: Verifying integrity of 75 ohm coax.
From: "Tom W8JI" <w8ji@w8ji.com>
Date: Thu, 21 Nov 2013 22:48:49 -0500
List-post: <topband@contesting.com">mailto:topband@contesting.com>
> Helpful advice, Tom. Thanks. I've always worried about using silcone
> grease
> on connectors. I understand it helps seal the connector, but my fear is
> that
> it could interfere with the electrical bond.  On the face of it, getting
> non-conducting grease on, e.g., the center terminal of an N-connector or
> PL259 seems like asking for trouble.

People in automotive forums and other forums and hobbies think that also,
partly because they read stuff by Hams. Many people wrongly claim or think
"conductive" grease (which isn't actually conductive) aids connections and
dielectric grease insulates.

Dielectric grease has been used to preserve electrical connections in low
pressure connections and high pressure connections at least since the 1960's
or early 1970's. 

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