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[TowerTalk] 16om vertical and the number of radials

To: "tower and HF Antenna Construction Topics." <towertalk@contesting.com>
Subject: [TowerTalk] 16om vertical and the number of radials
From: Ignacy Misztal <no9e@arrl.net>
Date: Fri, 2 Dec 2022 09:25:27 -0500
List-post: <mailto:towertalk@contesting.com>
Do more radials on a 160m vertical bring more improvements than shown by
simulation?

Most simulations show that going above 32 radials on 160m brings minimal
improvement, say 1 db to 2 max. Even for low angle signals.

On the other hand, some really loud stations n 160m, say 5-10 db above the
crowd, use a massive amount of radials. This is for inland stations, far
away from salt water.

Is there any discrepancy between modeling and real life performance with
the number of radials? Does adding radials beyond 32 help much? Any real
stories?

Ignacy NO9E
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