[Towertalk] Is an 80m Rotatable Dipole Worth it??

n4kg@juno.com n4kg@juno.com
Mon, 14 Oct 2002 18:32:04 -0600


A 70 ft high Inverted Vee suffers from near field ground losses
due to the ends being closer to the ground so a FLAT dipole
'should be' a more efficient radiator.  

A vertically polarized Delta Loop might be a useful supplement
to your system.  There are times when horizontal polarization
is better and other times when vertical polarization is better.
It is good to have BOTH.

Tom  N4KG

On Mon, 14 Oct 2002  Aidehua@aol.com writes:
> I am contemplating the installation of an 80m rotatable dipole at 
> 86', over 
> my other antennas.  It's a shortened version (54') and has narrow 
> bandwidth.  
> How much better (or worse) will this perform compared to a 
> full-sized Inv Vee 
> with the apex at 70'? or a proposed 80m Vertically polarized Delta 
> Loop?
> 
> Your input is appreciated before I install the antennas on the tower 
> in two 
> weeks.
> 
> Thanks,
> Ed NI6S
> 
> 
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