Best would be to have a lightning rod in the vicinity of and above the
antenna. A sharp-pointed rod does not attract lightning, it REPELS it
and has a cone of protection under it. While the effect is not
understood, it apparently discharges the surrounding air through corona
discharge - the sharper the better.
David N1HAC
On 4/12/12 2:56 PM, Randy D. Hunt wrote:
On 4/12/2012 1:10 AM, Heinzmann, Stefan (ALC NetworX GmbH) wrote:
What about mounting the antenna on the side of the metal pole, with
the top of the pole extending a foot or more above the antenna?
The idea is to have the lightning bolt strike the pole, but not the
antenna. The cable shield would need to be insulated from the pole,
but grounded on entry to the building.
Would the pole disturb the GPS signal to any noticeable extent?
Cheers
Stefan
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I would think that if a lightning bolt hit that close to the antenna,
it would still cause considerable damage. Think EMP.
Randy
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