Ahmen Skip that was one of the best Ham Magazines out there and I sure miss
it.
Mike/K1EG
----- Original Message -----
From: "skipp025" <[EMAIL PROTECTED]>
To: <Repeater-Builder@yahoogroups.com>
Sent: Tuesday, March 29, 2005 5:47 PM
Subject: [Repeater-Builder] Re: A Good 440 Anttena
>
>
> re: Multiple feed antennas around a tower:
>
> This type of antenna was written up in Ham Radio
> Magazine (rip) some years back. I just thumbed
> past it the other day.
>
> The math and the information to cover around a
> large tower with a quasi omni pattern using
> directional antennas was shown.
>
> If I see it again, I'll scan it and send it
> in. I sure miss Ham Radio Magazine...
>
> skipp
>
>
> > Mike Morris WA6ILQ <[EMAIL PROTECTED]> wrote:
> > Years ago I saw a weird situation - a pair of 4-bays
> > on opposite sides of the tower, fed by a KLM 2-port
> > power splitter. Later at a different site I saw a custom
> > pattern engineered with a 4-port splitter and 4 beam
> > antennas.
> > How they kept them from interacting and screwing up
> > the pattern I'll never know...
> >
> > In your case you might be able to mount the dipoles
> > to the tower leg itself, perhaps with some magic
> > distances to get an omni pattern. This would leave
> > the top of the tower bare ... let the tower itself be
> > the lightning rod.
> >
> > I'd measure the tower face and make up a drawing
> > showing the 4 sides (or 3 sides?) of the tower, and
> > your mounting concept. Then contact the engineer
> > at the antenna company (via email or phone) and fax
> > the drawing to him and get his ideas.
> >
> > Mike WA6ILQ
>
>
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>
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>
> Yahoo! Groups Links
>
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>
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