To increase the Top Loading with Force 12 antennas,
and prevent HIGH VOLTAGE ARC-over at the boom to
end element insulators, it is a good idea to bond the
end elements to the boom.
Tom N4KG
On Wed, 6 Feb 2002 15:20:45 -0800 "George T. Daughters"
<gdaught6@leland.stanford.edu> writes:
>
> On 6 Feb 02, at 16:28, James Hall wrote:
>
> > I would like to shunt feed my 72' crank-up. The Carolina Windom
> 160
> > in a inverted-V configuration just ain't doin' it ! I cannot even
> > hear the S9LA station and the guys with the 4-squares are eating
> my
> > lunch. There is no way to get that Carolina Windom horizontal
> without
> > about 700' of rope. I figure the most direct approach is to use
> the
> > tower. It has good capacitive loading up top with F12 beams at
> 75'
> > and 85' ( plus a plastic owl, but I won't go there !)
>
> Remember that the F12 antennas have elements which are insulated
> from
> the boom. I wouldn't be surprised if that made for a less-effective
>
> top-loading effect.
>
> 73,
>
> George Daughters, K6GT
>
>
>
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> The
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