[TowerTalk] Oxidized copper

[i4jmy@iol.it]

Oxides of copper are absolutely not conductive.
This explains why, toghether because of a bimetal galvanic effet, many 
of the so called "conductive pastes" with copper granules finally 
isolate antenna parts instead of doing the claimed job.

73,
Mauri I4JMY

> ---------- Initial message -----------
> 
> From    : owner-towertalk@contesting.com
> To      : towertalk@contesting.com
> Cc      : 
> Date    : Fri, 10 Nov 2000 08:25:58 -0500
> Subject : [TowerTalk] Oxidized copper
> 
> I have been having a terrible time cleaning up oxidized stranded 
copper
> wire enough to resolder antenna connections.  Chemicals, sandpaper, 
you
> name it... 
> 
> I recall reading somewhere that copper oxides are conductive, which 
is why
> copper house wiring doesn't have the same problems as aluminum does.
> That being said, I'm wondering if you couldn't use a small copper 
split nut
> to firmly attach two copper antenna conductors to one another without 
the
> need for soldering.  I realize that the connection would tend to come 
apart
> under tension, but purely for electrical purposes, would it work (at 
HF
> anyway)?
> 
> 73, Pete Smith N4ZR
> 
> Contesting is ... Extreme Radio
> 
> The World Contest Station Database 
> is back up and running at
> http://www.qsl.net/n4zr 
> 
> 
> 
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