[BC] 50 Ohms vs. 71 Ohms (AM Antenna Tuning)

Alan Alsobrook radiotech at bellsouth.net
Wed Feb 3 19:08:30 CST 2010


Cowboy wrote:

>  The feed point Z has nothing to do with the radiation from a structure.
>  It's the radiation resistance that is important, and not "adjustable" by
>  any means save physical changes to the tower.
>  The skirt is irrelevant in every respect.
>  50, 70, 150, or 12. Makes no difference.

Cowboy,
I would tend to disagree a bit here. If you strap it over at the bottom 
of the tower it just isn't going to radiate much at all. :)

-- 
Alan Alsobrook CSRE AMD
aalso at bellsouth.net



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