[TowerTalk] Single Point Grounding question

[jimlux]

Bill Harris wrote:
> Hello radio fans:
> My question is:
> For lightning protection, the tower base is delta grounded. Coax, shield 
> grounded at the antenna therefore, wouldn't the best place for SPG  be at 
> the tower base rather than the shack entry ?
>  I'm concerned about  about having difference in potential between two 
> grounds.  Your input is most appreciated.
> Carry-on
> BillHarris w7kxb

the goal with a common reference point is to have all the equipment move 
up and down together. so having the SPG at the equipment end does that 
better.