RE: [amsat-bb] Offset Dish Antenna Aiming

["Edward R. Cole" <al7eb@xxxxxxxxxxxxx>]

At 12:59 PM 7/25/02 -0500, Reicher, James wrote: 
>
> Fred, this may sound like a dumb question, but would the off-set dishes
work 
> correctly if they were modified to NOT be offset? 
>
> 73 de N8AU, Jim in Raymore, MO


Jim,

Short answer --- NO.   They are designed for the feed to be at particular
spot.  This is the focal point for offset dishes.  Its just like placing the
feed on a center-fed dish in the wrong spot...doesn't work!  Its all in the
mathematics of the surface shape.

He he...you could run over them with a car to modify them, but kind of think
that would make them not work too well!




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