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Satellite TV receivers & systems support forums
Fringe Reception General
Anyone tried to make BIG dish at home?
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<blockquote data-quote="JanH" data-source="post: 731342" data-attributes="member: 320416"><p>Offset dish designer should solve problem that feedhorn can see whole parabolic not only a cated part. Missing parabolic but "visible" section make noise and decrase effectivness as well as make problems with feedhorn/dish impedance.</p><p>It is why feedhorn is not pointed to centre of virtual parabolic but somwhere to centre of offset disch. Offset dish should not be parabolic or catenary but special curve based of parabolic.</p></blockquote><p></p>
[QUOTE="JanH, post: 731342, member: 320416"] Offset dish designer should solve problem that feedhorn can see whole parabolic not only a cated part. Missing parabolic but "visible" section make noise and decrase effectivness as well as make problems with feedhorn/dish impedance. It is why feedhorn is not pointed to centre of virtual parabolic but somwhere to centre of offset disch. Offset dish should not be parabolic or catenary but special curve based of parabolic. [/QUOTE]
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Satellite TV receivers & systems support forums
Fringe Reception General
Anyone tried to make BIG dish at home?
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