Googling for phased vertical dipoles will probably turn up some
results.
http://www.qsl.net/ei7ba/low_band_antennae.htm
>
>
> On Mon, Mar 7, 2016, at 01:55 PM, Tom Osborne wrote:
> > Hi All
> >
> > I have a 40 meter vertical dipole that I would like to put a reflector
> > behind.
> >
> > I was looking in a CQ Contest magazine at an article from N6BT of the
> > Team
> > Vertical group. They put up verticals for their contest setup. One of
> > the
> > antennas they used was a vertical beam on 40 with DE and Ref.
> >
> > According to the modeling, he said the regular calculated dimension for
> > the
> > reflector didn't work. It had to be a different length, but he didn't
> > say
> > what it was. I can't find anything online about this antenna.
> >
> > Does anyone know the formula for cutting the reflector length for the
> > vertical beam? The vertical dipole is in a tree with the bottom about 6
> > feet in the air.
> >
> > Thanks and 73
> > Tom W7WHY
> > _______________________________________________
> >
> >
> >
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> > TowerTalk@contesting.com
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> --
> Bw_dw@fastmail.net
>
--
Bw_dw@fastmail.net
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