| On Wed, 18 Aug 2004 12:42:13 -0500, Keith Dutson wrote:
>What importance does inductance have in grounding a roof mounted antenna?  I
>would think impedance is the prime concern.
At the frequencies involved in lightning (IEEE says the energy in lightning is 
broadly 
centered around 1 MHz), the impedance of the earth connection is, for all 
practical 
purposes, entirely dominated by inductive reactance. 
Jim Brown  K9YC
_______________________________________________
See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
 |