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Re: [TowerTalk] Lightning protection

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] Lightning protection
From: "Tower (K8RI)" <tower@rogerhalstead.com>
Date: Wed, 4 Aug 2004 18:49:37 -0400
List-post: <mailto:towertalk@contesting.com>
When I had our service changed to undergrund the linemen told me they have
more problems with underground service feeds than the overhead due to
lightning.

Roger Halstead (K8RI, EN73 & ARRL Life Member)
N833R, World's Oldest Debonair (S# CD-2)
www.rogerhalstead.com


>
> Two comments from experience. Underground utilities are NOT a guarantee. I
> lost a computer and a phone to a hit that was to phone equipment over a
> mile away, with underground service to my house over that distance.
> When I was on the local water board, I learned that most waterline repairs
> are to fix lightning damage to underground plastic pipes. This came home
to
> me in 1990 when a hit in my yard, punched two holes in a plastic water
line.
>
> At 04:37 PM 8/4/2004 -0400, K4FJ@aol.com wrote:
>
> >I have a couple questions regarding lightning protection, but I don't
want
> >to begin a thread from hell as we have recently seen on several other
> >subjects.  Please REPLY DIRECTLY and I will post a summary.
> >
> >I have a device installed to provide Whole House protection at the
service
> >entrance.
> >
> >I receive TV via a small dish on the roof.  Is there a real need for
inline
> >protection for that?  The dish is well below the highest roof  line.
> >
> >I need to tie my antenna/shack ground to the electric ground.  I am  now
> >aware that the connection should be made around the house instead of
> >through  the
> >basement--the shack is in my basement.  Is #4 bare copper sufficient  for
> >this
> >or do I need a copper strip a few inches wide?  Part of the trip  around
the
> >house is under my deck.  Can I run the wire/strip on the ground  vice a
deep
> >burial?  I can do a very shallow burial if needed, but I doubt  that adds
> >much
> >to the grounding.  Obviously, no ground rods will be in the  area under
the
> >deck and that distance under the deck is about 50  feet.
> >
> >All of my utilities are underground and the nearest above ground
departure
> >is about 1/2 mile.  Is it still advisable to provide inline
> >modem  protection?
> >I have lost one modem but it is not clear why because we had  no storm
during
> >that period.  I don't mind doing the protection but I feel  I am putting
> >another hump in the line and my dial-up internet connection is  already
slow
> >enough.
> >
> >Your thoughts are appreciated.
> >
> >73, Steve, K4FJ
> >
> >_______________________________________________
> >
> >See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
> >Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with
> >any questions and ask for Sherman, W2FLA.
> >
> >_______________________________________________
> >TowerTalk mailing list
> >TowerTalk@contesting.com
> >http://lists.contesting.com/mailman/listinfo/towertalk
>
> Bill Aycock - W4BSG
> Woodville, Alabama
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>


_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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