[TowerTalk] Lightning Protection Question

[Jim Brown]

On Sat, 11 Sep 2010 11:28:10 +0000, K1TTT wrote:

>They should be at the shack entrance panel. it sounds like you have a common
>misconception about the 'Single Point Ground' concept.  THE SPG is the point
>where the cables all come together and enter the shack. 

And it appears that you might have some misconception as well. That single 
point must also have a low impedance bond (SHORT, BEEFY) to ALL other grounds 
in the building -- all ground rods, the mains power service entrance, CATV, 
Telco, cold water, structural metal, TV antenna, etc. 

73, Jim Brown K9YC