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Re: [TowerTalk] Heliax with Metal jacket

To: Daniel Hileman <n9wx@hotmail.com>, TOWER TALK <towertalk@contesting.com>
Subject: Re: [TowerTalk] Heliax with Metal jacket
From: Ryan Jairam <rjairam@gmail.com>
Date: Wed, 29 Sep 2010 06:48:32 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Look for "coax loss calculator" on the internet. Loss is of course
dependent on operationg frequency, length and vswr.

50 ohm 7/8 heliax rigid with foam dielectric (the most common type) is
LDF5-50A I think and has very low loss, something on the order of
0.5dB per 100ft at 400MHz (or close to that figure.)


Ryan, N2RJ

On 9/28/10, Daniel Hileman <n9wx@hotmail.com> wrote:
>
> Hi Everyone,
>
> I just acquired some 7/8" (I think) heliax with the metal jacket. What is
> the loss on this? Anyone know? This is some big heavy duty stuff. I also
> think there is some 1/2" with the metal jacket as well. Pretty awesome
> stuff, I think this is the stuff they use on Repeaters and what not.
>
>
> Thanks and 73,
> Daniel N9WX
>                                       
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-- 
Sent from my mobile device

Ryan A. Jairam,
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