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Satellite TV receivers & systems support forums
Fringe Reception Reports
36B at 36.0°E
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<blockquote data-quote="Vipersan" data-source="post: 940816" data-attributes="member: 325666"><p>Not sure you're getting this fully buddy ..</p><p>By including a plate in the lnb throat at 45 degrees to one of the probes ..you are choosing RHCP or LHCP ..for that probe..</p><p>..depending on wether the plate is clockwise or counterclockwise of the probe..</p><p>If you then rotate that plate through 90 degrees you select the opposite ..</p><p>The probe in question now receives the opposite circular polarised signal ..</p><p>Thus RHCP becomes LHCP and vice versa ..</p><p>BUT by rotating the lnb physically ..this also rotates the physical positioning of the probe ..</p><p>Thus reducing it's ability to receive and capture linear signals ..</p><p>In short ..</p><p>When receiving circular with a linear lnb and plate ..the only consideration is the plate position relative to the probe ..all else being irrelevant..</p><p>rgds</p><p>VS</p></blockquote><p></p>
[QUOTE="Vipersan, post: 940816, member: 325666"] Not sure you're getting this fully buddy .. By including a plate in the lnb throat at 45 degrees to one of the probes ..you are choosing RHCP or LHCP ..for that probe.. ..depending on wether the plate is clockwise or counterclockwise of the probe.. If you then rotate that plate through 90 degrees you select the opposite .. The probe in question now receives the opposite circular polarised signal .. Thus RHCP becomes LHCP and vice versa .. BUT by rotating the lnb physically ..this also rotates the physical positioning of the probe .. Thus reducing it's ability to receive and capture linear signals .. In short .. When receiving circular with a linear lnb and plate ..the only consideration is the plate position relative to the probe ..all else being irrelevant.. rgds VS [/QUOTE]
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Fringe Reception Reports
36B at 36.0°E
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