[TowerTalk] ground rods for towers

[Adam Adkins]

> -----Original Message-----
> From: owner-towertalk@contesting.com
> [mailto:owner-towertalk@contesting.com]On Behalf Of K7LXC@aol.com
> Sent: Monday, July 31, 2000 8:11 AM
> To: w4th@webtv.net; towertalk@contesting.com
> Subject: Re: [TowerTalk] ground rods for towers
>
>
>
> In a message dated 07/31/2000 12:09:51 AM Pacific Daylight Time,
> w4th@webtv.net writes:
>
> > How many ground rods should be used on a tower of 75 feet? This tower is
> >  used only for beams and dipole support. I have a friend who says one is
> >  enough, I have others who say one on each leg, what say ye me hearties?
>
>     Since you're in a spot that gets a significant amount of
> lightning, I'd
> be sure to do a decent job. Three ground rods per leg spaced a rod-length
> apart is a good start.

	I assume you are talking about 8' ground rods.  Here's a question regarding
about getting adequate protection from those ground rods when you live in an
area that has very rocky soil.

	Actually, although the soil is very rocky, that isn't the major problem.
The biggest concern is the solid rock that is about 24" down from grade.  It
is impossible to drive a ground rod vertically into that rock.  Can I borrow
a trick from the electrician's trade and bury the rods horizontally in
trenches to get the same kind of lightning protection?  And if so, how far
apart should they be spaced?

	Thanks!

73,

Adam Adkins, KM5N


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