[TowerTalk] Heliax question

John Simmons jasimmons at pinewooddata.com
Sat Jul 24 20:22:56 EDT 2021


James,

"Moisture within any feedline is trouble"

How does this manifest itself?

-- 
73,
-de John NI0K rural Debs, MN

J. Hunt via TowerTalk wrote on 7/24/2021 7:13 PM:
>   
> Visible "conductor are oxidized, stained or tarnished" is bad news, highly suspect remaining moisture within.
>
> Moisture within any feedline is trouble.
>
> Thanks n 73,
> James
> ki5dq
>
>       On Saturday, July 24, 2021, 12:36:08 PM CDT, Jon Zaimes via TowerTalk <towertalk at contesting.com> wrote:
>   
>   Two tests I use for newly acquired used hardline .....
> With nothing connected to the other end, measure resistance with VOM. It should be open. Anything else, there is a problem.
> Then I test with the TDR function on my AA-230 Zoom antenna analyzer. Normally two flat lines near center scale but if a problem it will show otherwise. It may show distance to a specific fault.
> 73/Jon
>
> Jon P. Zaimes, AA1K Tower climber for hire http://www.aa1k.us/ Cell: 302-632-2353email: jz73 at verizon.net or aa1k at arrl.net
>
> -----Original Message-----
> From: trentkd5ia--- via TowerTalk <towertalk at contesting.com>
> To: towertalk at contesting.com <towertalk at contesting.com>
> Sent: Sat, Jul 24, 2021 1:30 pm
> Subject: [TowerTalk] Heliax question
>
> I have a length of 1 5/8” air dielectric Heliax.  When I cut it to install a connector, the outside surface of the inner conductor and both inside and outside surfaces of the outer conductor are oxidized, stained or tarnished.  So, is it usable or am I just wasting my time working on it?
> Thanks and 73 de Trent  K5XM
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