Re: [amsat-bb] Radio Lens

["GEORGE ABBOTT" <ka1ajf@xxxxxxxxxxxxx>]

Could this type of antenna be scaled down for amateur radio use?

----- Original Message -----
From: Jim White <jim@coloradosatellite.com>
To: Claudio Martins <ctpm@vega.net.dhis.org>
Cc: <rep-amsat@yahoogroups.com>; <amsat-bb@AMSAT.Org>
Sent: Wednesday, July 04, 2001 9:36 AM
Subject: Re: [amsat-bb] Radio Lens


> For further information about the SKA and some interesting papers on
> antenna selection see
> http://www.atnf.csiro.au/SKA/
>
> I recall occasionally using an HF Luneburg lens in Hawaii for shore to
ship
> and shore to aircraft (ARIA) links during the early Apollo days on the
> Western Test Range.  It was a wire antenna and had the main characteristic
> of being quite immune to signals off azimuth.  However it's not clear to
me
> it was the same concept as the antennas referenced in these articles and
> papers.  I haven't found any references on the web to HF lens antennas
> which would verify that.
>
> Jim
> jim@coloradosatellite.com
>
> At 02:47 AM 07/04/2001 +0100, Claudio Martins wrote:
>
> >   Well I must say I had never seen a lens like that being used for radio
> >reception! weird... ;)
> >
> >   http://www.spacedaily.com/news/telescopes-01a.html
> >
> >
> >regards
> >
> >   Claudio
> >   CT3KD
> >
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