Topband: Ground screen ????

Jim Brown jim at
Wed Mar 2 12:36:57 EST 2016

On Wed,3/2/2016 8:02 AM, Joshua M. Arritt wrote:
> Galvanized Fe material is problematic from an R standpoint as well 
> (vs. Cu). This results in a "lossy" ground plane.   That condition has 
> real impact the effectiveness of the antenna system, when compared to 
> an all-Cu (or at least a lower-R metal) plane. 

That's insignificant because of the much greater surface area of the 
ground screen as compared to a conventional radial system of comparable 

73, Jim K9YC

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