[UK-CONTEST] ANTENNA SUPPORT

[ANDY COOK]

I've always used the very simple technique of 9 inches of so of bailer
twine (string!) tying the centre insulator to the top of the pole. This
has always worked for me!

73,

Andy, G4PIQ

--- On Wed, 24/6/09, Don Beattie <g3ozf at btinternet.com> wrote:

> From: Don Beattie <g3ozf at btinternet.com>
> Subject: [UK-CONTEST] ANTENNA SUPPORT
> To: "Uk-Contest at Contesting.Com" <uk-contest at contesting.com>
> Date: Wednesday, 24 June, 2009, 11:00 AM
> Slightly OT, but I guess there's
> someone here who knows the answer.
> 
> I am planning to try putting the centre of a wire dipole
> significantly above the rotator/beam on a tower. I plan to
> fit a fairly long stub mast above the beam, and to attach
> the centre of a wire dipole to the top of it. The wire
> should clear the beam's elements whatever direction it is
> pointing as the ends of the dipole are quite high. This
> should put the centre of the dipole at about 90ft.
> 
> What's the best way of attaching the dipole to the top of
> the stub mast, so that the beam can still be turned without
> it winding-in the halyard ? Do I need to find a proper slip
> bearing, or is there a sneaky and cheaper way ? Or do I just
> leave 30 cm of slack halyard between the pulley and the
> dipole centre insulator, and let the thing wind/unwind as
> the beam turns ?
> 
> Thanks
> 
> 73
> 
> Don, G3BJ
> 
> 
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