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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Fixed mount for Channel Master
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<blockquote data-quote="a33" data-source="post: 995108" data-attributes="member: 332642"><p>The dish itself is just a reflector (a "mirror"), unsensitive to polarization, reflecting the signals to the focal point.</p><p>So with an LNB at the focal point, skewing of the dish has no benefits, as far as I know. Skewing of the LNB is the only thing that is needed.</p><p>Skewing of the dish is only beneficial for the byrider LNBs ("in the passenger seats") on multifeed brackets for non-prime-focus dishes, as the form of the offset parabola creates abberations for these side-LNBs that you want to minimize.</p><p></p><p>You also mentioned inclined orbit satellites. I guess that if you want to have a correction mechanism to follow these, skewing the dish makes this simpeler, because that way you can create a 'one-dimensional' correction mechanism for it.</p><p>I have no further knowledge of that, though.</p><p></p><p>greetz,</p><p>A33</p></blockquote><p></p>
[QUOTE="a33, post: 995108, member: 332642"] The dish itself is just a reflector (a "mirror"), unsensitive to polarization, reflecting the signals to the focal point. So with an LNB at the focal point, skewing of the dish has no benefits, as far as I know. Skewing of the LNB is the only thing that is needed. Skewing of the dish is only beneficial for the byrider LNBs ("in the passenger seats") on multifeed brackets for non-prime-focus dishes, as the form of the offset parabola creates abberations for these side-LNBs that you want to minimize. You also mentioned inclined orbit satellites. I guess that if you want to have a correction mechanism to follow these, skewing the dish makes this simpeler, because that way you can create a 'one-dimensional' correction mechanism for it. I have no further knowledge of that, though. greetz, A33 [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Fixed mount for Channel Master
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