Circular polarization is interesting to me too. What were the
results of the antenna you described below?
Also check out this:
http://www.wa7x.com/cycloid_info.html
Laryn K8TVZ
>
> Date: Wed, 14 Apr 2004 11:04:00 -0700 (PDT)
> From: bradley glen <[EMAIL PROTECTED]>
> Subject: dual polarisation uhf repeater antenna
>
> In th the process of making my tests on a dual
> polaarisation antenna for my uhf repeater (one of
> many).
>
> I am persueing something that I should have done a
> long time ago.I have had reasonable success with
> opting for a site that needed 270deg coverage which
> made what I have done within reason.
>
> I have taken a standard commercial 4-stack-removed the
> top dipole-replaced it with a 6dB collinear for the
> vertical polarisation.
>
> The remaining three folded dipoles I have place in the
> horizontal pane at 0-90-180.(still experimenting with
> the spacing)
>
> The idea and theory is to reduce the deep nulls in
> mobile and portable comms.
>
> I would like to hear from anyone that has any comments
> and experience in doing this-suely I can not be the
> first to do so.
>
> I have a keen interest in dual pol antenna arrays so
> if you have any articles I would appreciate the
> sitesand your comments.
>
> Regards
>
> Brad Node : 8300
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