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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
why offset dish has fixed mount that's not adjustable?
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<blockquote data-quote="nadal liu" data-source="post: 927330" data-attributes="member: 401837"><p>I was asked the question: why with prime focus dish we need to adjust lnb position to find the focal point, but with offset dish there is fixed mount that is not adjustable?</p><p>This is always a known fact and I never gave it a thought and I took it granted.</p><p>The friend asked me that he said the reason could be prime focus dish can be used with ku and c band and that the focal point could be different for the two, but I doubt it.</p><p></p><p>My guess is that offset dish is usually smaller and even if the lnbf position is off from the focal point, the distance off is smaller.</p><p></p><p>Please advise.</p></blockquote><p></p>
[QUOTE="nadal liu, post: 927330, member: 401837"] I was asked the question: why with prime focus dish we need to adjust lnb position to find the focal point, but with offset dish there is fixed mount that is not adjustable? This is always a known fact and I never gave it a thought and I took it granted. The friend asked me that he said the reason could be prime focus dish can be used with ku and c band and that the focal point could be different for the two, but I doubt it. My guess is that offset dish is usually smaller and even if the lnbf position is off from the focal point, the distance off is smaller. Please advise. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
why offset dish has fixed mount that's not adjustable?
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