[TowerTalk] more info on new URI antenna

[Chuck O'Neal]

It would be nice to have a drawing of this new antenna so
that we know what is being discussed.  Anyone have one?
Like everyone else, I'm trying to guess what it is.

Chuck...K1KW

----- Original Message ----- 
From: "Joe Subich, K4IK" <k4ik at subich.com>
To: <aa6yq at ambersoft.com>; <towertalk at contesting.com>
Sent: Tuesday, June 08, 2004 3:49 PM
Subject: RE: [TowerTalk] more info on new URI antenna


>
>
> > "The DLM [distributed load monopole] antenna is based on
a
> > lot of things that currently exist," said the researcher
who
> > invented the smaller antenna, Robert Vincent of the
university's
> > physics department, "but I've been able to put a
combination
> > of them together to create a revolutionary way of
building
> > antennas. It uses basically a helix plus a load coil."
See
> >
http://www.eet.com/at/news/showArticle.jhtml?articleId=21401977
> > for additional information.
>
> Based on that article I have even more doubt about this so
called
> breakthrough ... considering the inventor doesn't seem to
know the
> difference between FM/TV towers and AM antenna sites.
>
> "The patent-pending design could transform every
antenna-from the
>  GHz models for cell phones to the giant, KHz AM antennas
that
>  stud the high ground of metropolitan areas-Vincent said."
>
> Rarely, if ever, will one find an AM broadcast site
(535-1705 KHz)
> on "high ground."  They are generally on the wet,
low-lying, high
> conductivity sites.  The high, rocky sites are absolutely
the
> worst sites for "KHz AM antennas."
>
> BTW, this DLM technology sounds a lot like "variable pitch
helical
> loading" that was popular for mobile whips in the late
60s.  It
> was alleged to be a breakthrough advance over conventional
coil
> (base or mid-point) loading techniques.  It never proved
out except
> as an advertising gimmick for 11 meter antennas.
>
> 73,
>
>    ... Joe, K4IK
>
>
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>
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>
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