[TowerTalk] 80 M 4 SQUARE MODELING

Jim Brown jim at audiosystemsgroup.com
Fri Jul 21 15:49:28 EDT 2017

On 7/21/2017 12:19 PM, jimlux wrote:
> HF Yagi-Uda designs which have performance that falls apart if the end 
> of the element moves an inch are probably not "robust" 

RIGHT! This is one thing that separates good antenna designs from the 
not so good ones. N6BT has written about this in his self-published 
"Array of Light."

FWIW, I would expect the primary effect of the tower (and other 
surrounding conductors) to be filling in nulls, and potentially to 
affect VSWR.

73, Jim K9YC

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