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[TowerTalk] vert. polarized antenna

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Subject: [TowerTalk] vert. polarized antenna
From: (Kenneth D. Grimm)
Date: Thu, 16 Apr 1998 14:37:12 -0400
Thanks for the references, Henry.  I'm off to the library to check them
out.  I'm sure I will have trouble fitting one of these into the back
yard, but they seem to be very interesting critters.

Ken wrote:
> Ken,
> I think the USIA (in other words - VOA) antennas that Tom is referring to
> are known as broadband dipole curtain arrays.  Two well known antenna
> engineering books have chapters with specific information on these types
> of arrays.  They are Antenna Engineering Handbook, 1st Edition, by Henry
> Jasik, or the 2nd Edition by Jasik and Richard Johnson; and Radio Antenna
> Engineering, 1st Edition, by Edmund Laport.  Both have chapters on
> high-frequency antennas which provide design specifications and drawings
> or pictures of large broadcast curtain arrays.
> One current manufacturer of these arrays is TCI (Technology for
> Communications International), Sunnyvale, CA.  They have a web page,
> forgot the exact address, but try a web search for TCI.  They made the
> antennas described in the Forward to Force 12's book - Array of Light.
> I have the spec sheet on a couple of TCI's arrays and they have some very
> impressive characteristics.  On the down side, they also require some
> large amounts of real estate and tower heights which equals large sums of
> $$$$.
> 73,
> Henry Pollock - K4TMC
> Raleigh, NC
> On Wed, 15 Apr 1998 11:52:40 -0400 "Kenneth D. Grimm"
> <> writes:
> >Tom,
> >
> >I can sorta see this USIA thing in my mind's eye, but would really
> >like
> >to see and/or hear more about it.  Have you got any print refs?  If
> >not,
> >could you describe it in greater detail?
> >
> >Tnx OM es 73,
> >Ken
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Ken K4XL
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