[TowerTalk] Grounding, Lightning & corona discharge

[Jim Brown]

On Thu, 29 Jul 2004 11:16:08 -0500, Keith Dutson wrote:

>I want to see less than .01 ohm resistance across the longest path. 

When thinking about it, remember that the energy in lightning is NOT at 
dc, it is around 1 MHz. The impedance of that path is primarily 
INDUCTIVE REACTANCE, not resistance. Resistance (greatly 
increased by  skin effect)  will certainly produce the I2R losses, but XL 
will determine current! 

Jim Brown  K9YC