I am in the process of putting in two new towers on my property (yes, I am
blessed).
I'm a little nervous about Cadwelding to the legs. I suppose you'll all
tell me it has been done dozens of times, but I have visions of blowing a
hole through one of the legs near the bottom of my tower.
The alternative, I suppose, is to get a set of quality ground clamps, clamp
it maybe three times (I assume this would help the impedance a bit) and the
inspect it over time.
I also plan to have an extensive "ground ring" around the tower. On my
current crankup, I cadwelded to all three "legs" except it was easy to
Cadweld to a nice thick base and not to the tower, proper. Effectively
required, in fact. So, I Cadwelded to stuff that wasn't a big deal,
structurally. Here it would be.
1. Do I Cadweld anyway? How to be sure the tower leg isn't weakened?
2. Do I do it to a single leg or all three? I could "feed" my ground ring
from a single leg, I suppose.
This is all in excess of what Rohn shows, which is a single, clamped line
from the tower, but I've always taken it for granted the smart thing to do
is have a more extensive network. I plan on three rods, connected as a
ring, and then copper "lines" out from each of them to another rod, a total
of six in all. That's all easy and been done (by me) before. Question is,
what's the best way to connect to the tower itself? I have the "buried
tower section" type of base. We will be pouring concrete late next week.
So, I have about a month to plan and execute my ground system.
Larry WO7R
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