[Antennas] Unused resonant antennas - shorted to ground or floating?

Ron Youvan ka4inm at tampabay.rr.com
Fri Dec 25 13:44:01 EST 2009


> I can do that (use inductors across the feed point to the radial field(and 
> ground them at the station)) and what I had in mind was a pair of phased 
> verticals (actually Butternuts) and looking at 90 degree separation on 80 
> but also realizing I will probably be better off with an omni pattern on 
> bands above 40 (20 maybe) so wanting a way to immunize the effect of the 
> unused vertical.  Still have to try modeling it but I am in kindergarten on 
> modeling.

   Sure I have an idea, if the tower exists, use a grid dip meter with the feed point open, grounded 
and connected normally, see "what does what" to the resonant frequency.
-- 
    Ron  KA4INM - Of what you see in books, believe 75%.  Of newspapers, believe 50%.
                  And of TV news, believe 25% --
                  make that 5% if the anchorman wears a blazer.


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