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Theories of possible frequency reuse at 9°E
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<blockquote data-quote="timo_w2s" data-source="post: 916787" data-attributes="member: 196043"><p>Yeah, and remember these maps only show the 49dBW limit, so who knows how much further they actually go, although I assume the drop off will be fairly steep.</p><p></p><p>It is interesting that they still talk about frequency reuse on the Eutelsat 9B page:</p><p></p><p>"Capacity will be spread across five footprints, with frequency reuse significantly increasing overall bandwidth."</p><p><a href="http://www.eutelsat.com/en/satellites/future-satellites/launch-schedule/EUTELSAT-9B.html" target="_blank">http://www.eutelsat.com/en/satellites/future-satellites/launch-schedule/EUTELSAT-9B.html</a></p><p></p><p>The Nordic and Italy beams looks like the best bet for frequency reuse.</p><p></p><p>[ATTACH=full]73679[/ATTACH] </p><p></p><p>Could they also plan to broadcast on the same frequency of overlapping beams? So while the Greek beam may extent up to the UK, with frequency reuse it may be limited if they decide to also use the Nordic beam at the same time, for example? (I've combined the two beams with the blue showing the overlap) This would make the Nordic beam useless for Denmark, southern Sweden and Norway and much of Eastern Europe and beyond as I assume the interference would be more widespread than just the blue area. </p><p></p><p>[ATTACH=full]73678[/ATTACH] </p><p></p><p>I can't see any other combinations that wouldn't cause even more major interference in at last one of the intended reception areas.</p><p></p><p>I suppose they could use the Greek beam to transmit to the east side and broadcast noise* on the new German wide beam to block out reception to most of the west, but Ireland would still have decent reception.</p><p></p><p>*(or channels for Estonia as that's more or less the only country covered by German beam without interference)</p><p></p><p>[ATTACH=full]73683[/ATTACH]</p></blockquote><p></p>
[QUOTE="timo_w2s, post: 916787, member: 196043"] Yeah, and remember these maps only show the 49dBW limit, so who knows how much further they actually go, although I assume the drop off will be fairly steep. It is interesting that they still talk about frequency reuse on the Eutelsat 9B page: "Capacity will be spread across five footprints, with frequency reuse significantly increasing overall bandwidth." [url]http://www.eutelsat.com/en/satellites/future-satellites/launch-schedule/EUTELSAT-9B.html[/url] The Nordic and Italy beams looks like the best bet for frequency reuse. [ATTACH=full]73679[/ATTACH] Could they also plan to broadcast on the same frequency of overlapping beams? So while the Greek beam may extent up to the UK, with frequency reuse it may be limited if they decide to also use the Nordic beam at the same time, for example? (I've combined the two beams with the blue showing the overlap) This would make the Nordic beam useless for Denmark, southern Sweden and Norway and much of Eastern Europe and beyond as I assume the interference would be more widespread than just the blue area. [ATTACH=full]73678[/ATTACH] I can't see any other combinations that wouldn't cause even more major interference in at last one of the intended reception areas. I suppose they could use the Greek beam to transmit to the east side and broadcast noise* on the new German wide beam to block out reception to most of the west, but Ireland would still have decent reception. *(or channels for Estonia as that's more or less the only country covered by German beam without interference) [ATTACH=full]73683[/ATTACH] [/QUOTE]
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Theories of possible frequency reuse at 9°E
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