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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky & Freesat fringe reception
BBC reception help in Stockholm, Sweden
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<blockquote data-quote="Dopamine" data-source="post: 107628" data-attributes="member: 180698"><p>Some numbers I´ve found in the various spec. sheets:</p><p></p><p>Gibertini OP120</p><p>Gain at 10.95 GHz - 41.3 dB</p><p>Gibertini OP150</p><p>Gain at 10.95 GHz - 43.3 dB</p><p></p><p>Andrew Type 120</p><p>Gain @ 11.95 GHz - 42.0 dBi</p><p>Andrew Type 180</p><p>Gain @ 11.95 GHz - 45.5 dBi</p><p></p><p>Noname 100cm</p><p>Gain (11,5Ghz) 39,5dB </p><p>Gain (12,75Ghz) 40,5dB </p><p>Noname 110cm</p><p>Gain (11,5Ghz) 40,8dB </p><p>Gain (12,75Ghz) 41,68dB </p><p></p><p>Andrew Type 100</p><p>Gain @ 11.95 GHz 40.5 dBi</p><p>Andrew Type 110</p><p>Gain @ 12.5 GHz 41.0 dBi</p><p></p><p></p><p>I find these numbers odd, since I expect the Gib/C.M to give</p><p>higher gain since they are suposebly of higher quality.</p><p>Anyhow, it pretty much seems that the dish size is the only</p><p>thing that matters.</p><p></p><p>If we assume that the correlation between the noname and the andrew</p><p>at 100/110 pans out to 125/120, then I supose my noname 125cm dish should</p><p>be pretty much as good as the Gib/C.H 120.</p><p>The question then is if 2 dB more in gain would be enough.</p><p>Or do I need the 4db to do the trick?</p><p></p><p>I find these specs quite confusing.. indeed, they might just be</p><p>bullshit marketing.. </p><p></p><p>I await the specs from the 125cm I have; hopefully I´ll get them.</p><p></p><p>Im looking for some used dishes, and I´ve so far found a few big</p><p>ones, and Im trying to contact the sellers.</p><p></p><p>One guy actually offers a giant 3m dish for free to anyone who will take it off his hands.. oh, and get it down from the 5th floor roof. =)</p><p></p><p>Peace,</p><p>/Per</p></blockquote><p></p>
[QUOTE="Dopamine, post: 107628, member: 180698"] Some numbers I´ve found in the various spec. sheets: Gibertini OP120 Gain at 10.95 GHz - 41.3 dB Gibertini OP150 Gain at 10.95 GHz - 43.3 dB Andrew Type 120 Gain @ 11.95 GHz - 42.0 dBi Andrew Type 180 Gain @ 11.95 GHz - 45.5 dBi Noname 100cm Gain (11,5Ghz) 39,5dB Gain (12,75Ghz) 40,5dB Noname 110cm Gain (11,5Ghz) 40,8dB Gain (12,75Ghz) 41,68dB Andrew Type 100 Gain @ 11.95 GHz 40.5 dBi Andrew Type 110 Gain @ 12.5 GHz 41.0 dBi I find these numbers odd, since I expect the Gib/C.M to give higher gain since they are suposebly of higher quality. Anyhow, it pretty much seems that the dish size is the only thing that matters. If we assume that the correlation between the noname and the andrew at 100/110 pans out to 125/120, then I supose my noname 125cm dish should be pretty much as good as the Gib/C.H 120. The question then is if 2 dB more in gain would be enough. Or do I need the 4db to do the trick? I find these specs quite confusing.. indeed, they might just be bullshit marketing.. I await the specs from the 125cm I have; hopefully I´ll get them. Im looking for some used dishes, and I´ve so far found a few big ones, and Im trying to contact the sellers. One guy actually offers a giant 3m dish for free to anyone who will take it off his hands.. oh, and get it down from the 5th floor roof. =) Peace, /Per [/QUOTE]
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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky & Freesat fringe reception
BBC reception help in Stockholm, Sweden
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