> -----Original Message-----
> From: email@example.com [mailto:towertalk-
> firstname.lastname@example.org] On Behalf Of Cqtestk4xs@aol.com
> Sent: Tuesday, July 20, 2010 9:20 PM
> To: TOWERTALK@contesting.com
> Subject: Re: [TowerTalk] GROUND SYSTEMS
> In a message dated 7/21/2010 1:54:36 AM Greenwich Standard Time,
> email@example.com writes:
> Why bother flattening it? It has the same surface area when it is left
> I was told that lightning prefers a flat surface to travel on. Not being
> an expert I listened. Am I wrong?
> Bill KH7XS
Lightning doesn't really care what shape the conductor is as long as it has
a low impedance. Round works just as well as flat for a given amount of
The reason that copper strap is usually used rather than a round conductor
is that strap is cheaper than round for the amount of surface area used.
With a round conductor, wire or tube, only the outer surface is used due to
skin effect. With strap both sides are used.
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