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Re: [TowerTalk] from towers to shack

To: "Jorge Diez - CX6VM" <cx6vm.jorge@gmail.com>
Subject: Re: [TowerTalk] from towers to shack
From: "Steven H Sawyers (na0ia)" <steve@sawyers.org>
Date: Sun, 08 Dec 2013 20:51:14 -0600
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Under ground is better for lightning protection. The feed lines and control lines, need to go to the base of the tower, through a lightning arrestor at the base of the tower), then to the shack. If they come off the tower high, then they are at a portion of the whole lightning potential.

Elevated lines of any kind are subject to deer with antlers snagging them.

de na0ia


At 06:46 PM 12/8/2013, Jorge Diez - CX6VM wrote:
Hello



I'm about to review coaxials and control lines going from the towers to the
shack.

Actually I have below ground plastic pipes 100 mm (4 inches) so from tower
to shack they go underground. The last coaxial had to put on the land
because is not passing through the pipe.

Now I'm thinking about doing the same, underground, but a larger pipe, or
other option might be to put the pipe OVER the ground at a height of
1.50-1.90 m (60-75 inches) so I can walk under the pipe or at a height of
0.40 meters (16 inches) to pass over the pipe and the grass can be cut
without problems.



my question is about which is TECHNICALLY the best option, if there is a
technical benefit or about RFI to put them under ground. If there's no
advantage, is much easier to manage the cables OVER the ground



Any feedback is appreciated



Thanks in advance,



73,

Jorge

CX6VM/CW5W

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