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RE: Offset Dish Antenna Aiming
- Subject: RE: [amsat-bb] Offset Dish Antenna Aiming
- From: Jim.Walls@xxxxxxx
- Date: Thu, 25 Jul 2002 15:12:12 -0700
Jim - N8AU asked:
> Fred, this may sound like a dumb question, but would the off-set dishes
work correctly if they were modified to NOT be offset?
No. The only way to modify it for prime focus operation would be to
reshape the dish. Remember what an offset fed dish is. Think of it as a
small part of a much larger dish. In other words, take an 8 foot prime
focus dish and cut all of it off except a 2 x 3 foot oval section near one
edge. Leave the feed where it was originally, and now you have an offset
fed dish. Does that help?
73
-----------------------
Jim Walls - K6CCC
k6ccc@amsat.org
Mobile Radio Operations
Southern California Edison Co.
Ofc: 626-302-8515 - PAX 28-515
FAX: 626-302-7501 - PAX 27-501
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