We use 3 ground kits at work (cell company). The
first at the top of the tower, the second at the base
of the tower just before it makes the turn to go
horizontal, and the third outside the entry port to
the building. All ground kits are installed with the
groundkit pigtail pointing towards the ground so that
any possible lightning hit will have the shortest path
to gound with the fewest turns in the groundwire.
Inside the building, we install a polyphasor to the
feedline and gound it to the common ground ring inside
the shelter. We take very few damaging hits from
lightning at the hundreds of sites we have.
Interestly, most lightning damage comes in the power
lines.
Keep all groundwires as short as feasibly possible and
always flowing downhill. I learned this from a
lightning protection device installer. Never expect
lightning to flow uphill, it always wants to go down
and seek ground.
73, Joe, K1ike
--- Eric Lemmon <[EMAIL PROTECTED]> wrote:
> Rick,
>
> The conventional practice is to install a grounding
> kit at the point just before the feedline enters the
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