[TowerTalk] Shack ground

Rob Atkinson ranchorobbo at gmail.com
Fri Jun 18 10:02:21 PDT 2010


Kip, keep your fingers crossed and hope you don't get hit with a
positive strike.

9.5 out of 10 are negative.  Positives are in a completely different
league.  An order of magnitude more intense in voltage and current.
Broadcast heliax jumpers melted--all kinds of nasty and expensive
stuff.


Rob
K5UJ



> > A direct hit = you're going to get stuff fried, maybe wires are going to
> > vaporize anyway. I have seen aluminum service drops - 5/8" aluminum
> > conductors - vaporized and leave only shards of insulation. Goodbye ham
> > radio station, computers, televisions, just about anything connected to AC
> > power if your breakers don't trip immediately!
> >

Our club repeater antenna is high in the air. While I have not witnessed
a direct lightning strike, we can see the pit marks of many direct
lightning strikes on the antenna over the 15 years it has been in
operation.  The antenna and repeater are still in working order, and
still taking direct lightning strikes.

Kip
-- 
Kipton Moravec AE5IB .- . ..... .. -...

"Always do right; this will gratify some people and astonish the rest."
--Mark Twain


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