I have thousands of feet of direct buried cables, in use since 1986, including
many runs of Heliax, other types of hardline, and direct burial type UF cables
for rotators and switching.
The key to success is to avoid damage from rocks and stones. If your soil has
embedded rocks and stones, you should line the trench with sand prior to
installing your cables.
---- Original message ----
>Date: Mon, 28 Apr 2008 21:53:25 -0700
>From: "Dan Levin" <firstname.lastname@example.org>
>Subject: [TowerTalk] How to run my 400' feedlines?
>I am in the process of moving my tower, which requires me to re-cable the
>feedlines. The new runs will be roughly 400', and I think I am going to use
>The question is how to run the cable. The options are:
>1) Direct burial in a ~18" deep trench. I don't think that running conduit
>is going to be an option. Is Heliax "rated" for direct burial? Does it
>2) Run the cables through the trees at about 8' up in the air. This is
>obviously not as good aesthetically, and I've had some problems with current
>on the shield of previous "hung in the air" feedlines - but it may be the
>only option if direct burial is out...
>Thoughts, suggestions, comments?
> ***dan, K6IF
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