Topband: 80M Dipole at 105 ft ?

Richard (Rick) Karlquist richard at karlquist.com
Wed May 4 20:25:39 EDT 2016


On 5/2/2016 6:30 PM, Bob K6UJ wrote:
> I am considering installing an F12,80M coil loaded, rotatable dipole on
> top of my antenna mast at 105 feet.
> I have an 80M vertical with 4 elevated radials now.  What is your
> opinion on the 80M rotatable dipole
> at 105 feet versus my 80M vertical.... (for DX)     105 feet would be
> thanks,
> Bob
> K6UJ
>

I A/B'ed an inverted vee with 120 degree apex angle
with apex at 130 feet with a ground mounted 1/4
wave vertical with a very extensive ground plane.
On DX signals, it was a toss up.  On NVIS signals,
the vee was about an S-unit better, but a lower
vee was even better than that.  This was for
transmit.

On receive, my experience is that dipoles are
usually better than verticals.  I've never
seen a case where a vertical was better.

Rick N6RK




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