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Topband: Accuracy of modeling of 160m verticals

To: <topband@contesting.com>
Subject: Topband: Accuracy of modeling of 160m verticals
From: "Roger Kennedy" <roger@wessexproductions.co.uk>
Date: Wed, 7 Nov 2018 23:19:19 -0000
List-post: <mailto:topband@contesting.com>
Actually, I'm rather sceptical about the accuracy of theoretical antenna
modelling software generally on 160m. (as per my recent discussion on a
well-known Forum)

I'm not convinced that the various programs (which all seem to give
different projections) properly take into account the different kind of REAL
ground under the antenna . . . particularly with a low Dipole like I use -
which is equivalent to a 20m Dipole just 3ft off the ground !  (and
therefore the ground has a HUGE effect on the antenna)

Roger G3YRO

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