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Re: [TowerTalk] 80M antenna wire size

Subject: Re: [TowerTalk] 80M antenna wire size
From: Jim Miller <jim@jtmiller.com>
Date: Fri, 3 Jan 2020 12:50:53 -0500
List-post: <mailto:towertalk@contesting.com>
Is the copperweld copper thickness under consideration sufficient for the
skin depth of RF at 160m?

Jim ab3cv

On Fri, Jan 3, 2020 at 12:48 PM David Gilbert <xdavid@cis-broadband.com>
wrote:

>
> Ground losses are minimal for a tuned radial ten feet above ground, but
> I wasn't trying to make a rigorous model in the first place because I
> don't know the specifics of N2TK's setup.   You are welcome to make your
> own model if you think my wire loss conclusions for the 18 gauge
> Copperweld are in error.
>
> 73,
> Dave   AB7E
>
>
>
> On 1/3/2020 10:26 AM, Jim Brown wrote:
> > On 1/3/2020 9:15 AM, David Gilbert wrote:
> >> I modeled a simple 80m vertical with one elevated radial 10 feet
> >> above ground
> >
> > Not the best model for evaluating the effect of wire resistance --
> > ground losses dominate. Better to model with a GOOD radial system.
> >
> > 73, Jim K9YC
>
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