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Re: Topband: modeling BOGs (or whatever we call them)

To: K4SAV <RadioXX@charter.net>
Subject: Re: Topband: modeling BOGs (or whatever we call them)
From: Mike Waters <mikewate@gmail.com>
Date: Sat, 14 May 2016 14:08:31 -0500
List-post: <topband@contesting.com">mailto:topband@contesting.com>
Hi Jerry,

Thanks for sharing this. But I thought that it was a well-established fact
that NO antenna modeling software does well with antennas close to the
ground.

Modeling ground loss or wires close to the earth is a challenge, to put it
mildly.

73, Mike
www.w0btu.com

On Sat, May 14, 2016 at 11:00 AM, K4SAV <RadioXX@charter.net> wrote:

> ... process of comparison of measured data to NEC predictions ... To gain
> some confidence in what NEC was telling me, I started making measurements
> and found some very unexpected results. Current values were way off, and
> with my simple dipole on the ground measurement I was unable to duplicate
> the resonant frequency using any and all ground parameters possible in NEC.
> The only conclusion possible seems to be that either I made some bad
> measurements or NEC is incapable of modeling my ground, ...
>
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