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Re: Re: AIDC 3733 3' BBQ Dish



I printed that section out but wanted confirmation since the dimensions of
the struts on an unmodified Channel Master 1.0m dish put the focal point out
an additional 4 inches (23.8" vs 28.6" which was calculated with D2/16d ).
Physical dimensions of the dish are 40" X 43" and the deepest point between
opposite edges is 3.5". On the rear it is marked Channel Master 1.0M.

----- Original Message -----
From: <Mike73@aol.com>
To: <rlong3@columbus.rr.com>; <ns1z@arrl.net>
Cc: <amsat-bb@amsat.org>
Sent: Tuesday, July 03, 2001 1:09 AM
Subject: Re: [amsat-bb] Re: AIDC 3733 3' BBQ Dish


> In a message dated 7/2/01 7:28:02 PM Eastern Daylight Time,
> rlong3@columbus.rr.com writes:
>
> > The best reference on this topic that I know of is:
> >
> >  QEX Dec 1995
> >  "Measurements and Calculation for an Offset Parabolic Reflector"
> >  by Paul Wade N1BWT
> >
> >  I have a hard copy but maybe someone knows if it is available on the
web.
>
> While not specifically this article, Paul, W1GHZ (ex n1BWT) has his
Microwave
> book here:
>
> http://www.w1ghz.cx/antbook/preface.htm
>
> Chapter 5
> Offset-Fed Parabolic Dish Antennas
>
> Highly recommended!
>
> 73,
> Mike, N1JEZ
> AMSAT #29649
> Local Area Coordinator
> "A closed mouth gathers no feet."
>

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