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Satellite TV receivers & systems support forums
Satellite Systems - What to Buy - What to install
LNB question
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<blockquote data-quote="Channel Hopper" data-source="post: 15508" data-attributes="member: 175144"><p>On quality dishes the feed is separate to the LNB and is matched to the shape of the antenna. In this case there is a defined distance to the dish</p><p></p><p>On LNBs that have integral feeds the feedhorn is a compromise to allow reasonable illumination of a large number of dish sizes. The focal point remains the same, but the need to move the LNB in and out gives you a trade off between efficiency of the feed and the illumination of the dish.</p><p></p><p>Without knowing what dish you have its not possible to give a beeter idea as to the degree of success</p></blockquote><p></p>
[QUOTE="Channel Hopper, post: 15508, member: 175144"] On quality dishes the feed is separate to the LNB and is matched to the shape of the antenna. In this case there is a defined distance to the dish On LNBs that have integral feeds the feedhorn is a compromise to allow reasonable illumination of a large number of dish sizes. The focal point remains the same, but the need to move the LNB in and out gives you a trade off between efficiency of the feed and the illumination of the dish. Without knowing what dish you have its not possible to give a beeter idea as to the degree of success [/QUOTE]
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Satellite Systems - What to Buy - What to install
LNB question
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