[TowerTalk] Shack ground

[Jim Brown]

On Thu, 17 Jun 2010 15:19:51 -0400, Mickey Baker wrote:

>Jim's statement about lightning having "its energy centered around the AM 
>broadcast band" is factually incorrect. 

You're fighting with IEEE on that one. It's the result of their studies. 
You're also fighting the laws of physics. :) 

>Even if it were correct, nothing passive has a lower impedance than a 
>large, straight conductor in a line between two points.

It is WELL KNOWN that the impedance of a straight conductor longer than a 
few feet is dominated by INDUCTANCE, not RESISTANCE at 1 MHz. Inductance 
can be reduced by running multiple conductors in parallel, but not in such 
close proximity that there is significant mutual inductance between them. 

73, Jim K9YC