I did not realize until Jim's post that RG-142 has a steel center. I also
use RG-400 which has a copper conductor and it works great. I use 75 ohm
Teflon coax on 80m, now I am wondering what the conductor is made out of.
John KK9A
To: jim@audiosystemsgroup.com
Subject: Re: [TowerTalk] Teflon Coax with Center That's NOT SCCCS?
From: Stan Stockton <wa5rtg@gmail.com>
Date: Tue, 16 Jan 2018 06:02:55 -0600
List-post: <mailto:towertalk@contesting.com>
RG-400
Silver plated stranded center
1" bend radius
.195" OD
50 ohms
Choice by many for chokes
Stan, K5GO
Sent from Stan's IPhone
> On Jan 16, 2018, at 12:13 AM, Jim Brown <jim@audiosystemsgroup.com> wrote:
>
> All the 0.195-in o.d. TFE coax cables I can find have a center conductor
that
> is silver-coated copper-coated steel. This is fine above HF, but it's not
> great for 160M and 80M, where the steel is contributing to loss.
>
> Can anyone point me to a 50 ohm TFE 0.195-in o.d. cable whose center is NOT
> coated steel?
>
> Likewise, they all have a solid center with a 2-in bend radius. Anyone know
> of one with a smaller bend radius?
>
> 73, Jim K9YC
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