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Old December 13th 03, 04:00 AM
Cecil Moore
 
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CW wrote:
Effective lightning protection can be done in the amatuer station for a
reasonable cost. Most though, don't do so.


My costs have always been reasonable - I unplug the antenna
when not in use. I don't use it during thunderstorms. I have
lived in extreme lightning areas with zero problems.
--
73, Cecil http://www.qsl.net/w5dxp



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Old December 15th 03, 05:04 PM
Andy Cowley
 
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Cecil Moore wrote:

CW wrote:
Effective lightning protection can be done in the amatuer station for a
reasonable cost. Most though, don't do so.


My costs have always been reasonable - I unplug the antenna
when not in use. I don't use it during thunderstorms. I have
lived in extreme lightning areas with zero problems.


All good stuff, Cecil, but I'd say that was lightening avoidance
not protection. I still don't believe there is an effective method
of lightening protection for an amateur station that will accept a
direct strike and survive. Even your method would probably result
in a fried antenna ;-) Hope you never find out!

vy 73

Andy, M1EBV
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Old December 15th 03, 07:51 PM
Cecil Moore
 
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Andy Cowley wrote:
All good stuff, Cecil, but I'd say that was lightening avoidance
not protection. I still don't believe there is an effective method
of lightening protection for an amateur station that will accept a
direct strike and survive. Even your method would probably result
in a fried antenna ;-) Hope you never find out!


I've been back in Texas for about 5 years now and the only thing
that has gotten fried was a five-foot-tall live oak tree, the
shortest thing around. Go figure. It's still struggling to stay
alive with half its branches dead and a burn mark down the trunk.
--
73, Cecil http://www.qsl.net/w5dxp



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Old December 15th 03, 11:18 PM
Roger Halstead
 
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On Mon, 15 Dec 2003 13:51:49 -0600, Cecil Moore
wrote:

Andy Cowley wrote:
All good stuff, Cecil, but I'd say that was lightening avoidance
not protection. I still don't believe there is an effective method
of lightening protection for an amateur station that will accept a
direct strike and survive. Even your method would probably result
in a fried antenna ;-) Hope you never find out!


I've been back in Texas for about 5 years now and the only thing
that has gotten fried was a five-foot-tall live oak tree, the
shortest thing around. Go figure. It's still struggling to stay
alive with half its branches dead and a burn mark down the trunk.


My system gets hit about 3 times a year. So far I've only lost the
front end out of a 2-meter rig and some coax. Since installing the
new tower I've not lost any radio gear, but I did get one computer
fried.

http://www.rogerhalstead.com/ham_files/tower.htm
shows the tower and antennas, but not the ground system.

There are currently 30, 8' ground rods and over 600 feet of bare #2
copper tying the whole works together.

Unfortunately we had to have some septic work done. When digging out
the tank they hooked the ground system. Pulled out a section of the
basement wall and cracked a whole bunch of it. The wall is
temporarily repaired, but we are going to have to replace the entire
wall this coming season.


IF you have a fast connection the view from the top of the tower
http://www.rogerhalstead.com/ham_files/tower.htm panorama.
It's over 19 megs and would take forever on dial up.

Roger Halstead (K8RI & ARRL life member)
(N833R, S# CD-2 Worlds oldest Debonair?)
www.rogerhalstead.com
Return address modified due to dumb virus checkers

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Old December 15th 03, 10:39 PM
Mark Keith
 
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Andy Cowley wrote in message I still don't believe there is an effective method
of lightening protection for an amateur station that will accept a
direct strike and survive.


There is, but most hams don't do it. Costs money, and everything has
to be set up just right. It's done the same way all other 24 hour
radio/tv stations, etc do it. How many commercial radio stations have
you heard that go off the air when lightning strikes their tower? Not
many I bet. We would never have reliable broadcast TV in this town if
that were the case.. :/ MK


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