I don't disconnect anything since I finished the ground system installation.
That's mainly because the connections are too difficult to get at and the
storm would be past by the time I could get them disconnected.
Since the ground system was finished I've had no damage yet the tower takes
at least 3 direct hits on average per year. It was five the first half of
this past summer. I say at least as those have been observed.
IF I recall correctly Tom said he didn't disconnect anything either, but
I've only seen one post from him in recent months. I understand he's over on
the amps reflector.
Roger Halstead (K8RI and ARRL 40 year Life Member)
N833R - World's oldest Debonair CD-2
www.rogerhalstead.com (Use return address from home page)
> At 12:47 PM 11/26/2006, Bill Turner wrote:
>>I've read the PolyPhaser document on protection for ham stations but
>>it is vague on how to protect rotator cables. First, I wonder how much
>>protection, if any, is needed in the first place? In my tower, the
>>rotator is inside the tower and the control lines run down inside the
>>tower as well. Coming out from the tower at the bottom, they run
>>underground to the shack, about 70 feet away. It seems to me that
>>neither the rotator nor the lines
> ``~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Interesting thoughts. I NEVER ran any Polyphasers etc on my rotor
> cables.
> Everything was disconnected at the bulkhead by Cinch-Jones plugs.
> Amazingly
> even though I had lots of rotors on the 200 foot towers, I never had a
> rotor
> failure from a lightning hit...mechanical damage from wind etc, but no
> electrical problems. My gut feeling is there are few direct hits on the
> rotor
> cables and most of the damage from non-disconnected stems from the
> induced
> voltage of the hit and perhaps providing a great ground for the main
> lighting
> charge to travel to ground through the house mains by way of a short,
> jumping from
> the tower or coax to the cable.
>
> Bill K4XS/KH6
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|