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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Before I make a complete ass of myself again!
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<blockquote data-quote="davemurgtroyd" data-source="post: 970140" data-attributes="member: 319227"><p>An offset dish can only appear truly circular from one direction and that is the lnb - any other angle and it is elliptical. Think about it the forshortening effect is only correct from one angle - any other angle and it is too short or too long vertically - simple physics. The same is true of prime focus dishes although the lnb and the satellite then are in the same direction.</p></blockquote><p></p>
[QUOTE="davemurgtroyd, post: 970140, member: 319227"] An offset dish can only appear truly circular from one direction and that is the lnb - any other angle and it is elliptical. Think about it the forshortening effect is only correct from one angle - any other angle and it is too short or too long vertically - simple physics. The same is true of prime focus dishes although the lnb and the satellite then are in the same direction. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Before I make a complete ass of myself again!
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