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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky
BBC channels frequency changes on Astra 2 due on 18/10/10
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<blockquote data-quote="Huevos" data-source="post: 716929" data-attributes="member: 301161"><p>Yeah, but it doesn't add to complexity, it makes it less complex. Having one block-convertor (something that works similar to an LNB and down converts a whole band of frequencies in one block) is much less complicated than having 18 individual pieces of hardware (single frequency down-convertors). If you use single frequency down-convertors you need to know transponder spacing, bandwidth and SR in advance and they can't be changed after launch (except SR which could be adjusted slightly). </p><p></p><p>I think the big disadvantage with block convertor though is there is no redundancy. If this one device goes down the satellite would be space junk.</p><p></p><p>Just my thoughts... nothing to do with hard facts...</p></blockquote><p></p>
[QUOTE="Huevos, post: 716929, member: 301161"] Yeah, but it doesn't add to complexity, it makes it less complex. Having one block-convertor (something that works similar to an LNB and down converts a whole band of frequencies in one block) is much less complicated than having 18 individual pieces of hardware (single frequency down-convertors). If you use single frequency down-convertors you need to know transponder spacing, bandwidth and SR in advance and they can't be changed after launch (except SR which could be adjusted slightly). I think the big disadvantage with block convertor though is there is no redundancy. If this one device goes down the satellite would be space junk. Just my thoughts... nothing to do with hard facts... [/QUOTE]
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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky
BBC channels frequency changes on Astra 2 due on 18/10/10
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