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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky & Freesat fringe reception
Astra 2B (North) in Southern Spain - Reception Problems
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<blockquote data-quote="PoloMint" data-source="post: 85596" data-attributes="member: 175235"><p>Hi, SGB</p><p></p><p>A 1.3m dish won’t get reliable reception in the whole of the Málaga area, West of there it gets reception patterns like yours, 2B North channels dropping off in the early afternoon and reappearing again later.</p><p></p><p>There are many theories as to why the footprint changes throughout the day. The main ones are:</p><p></p><p>The satellite runs of solar during the day and battery at night so the transponders power down a bit when running of battery. Doesn’t seem likely as the signal can increase throughout the early evening (when there is still no sunlight at the satellite).</p><p></p><p>The satellite does a daily re-alignment to make sure it isn’t drifting slightly away from its set position. However the pattern of the signal fading and reappearing is very regular and quite slow, it seems unlikely that any realignment would be so regular.</p><p></p><p>The gravitational pull of the earth does not keep the satellite in an exact position over the earth, the earth is not a perfect sphere and this is reflected in it’s gravitational pull. The satellite is still geostationary, but moves around very slightly in a daily pattern, people on the very edge of the footprint, like yourself, notice this.</p><p></p><p>I don’t know which theory is correct, there are many more and each one has avid supporters, but whatever it is we are stuck with it.</p><p></p><p>It sounds like your installer has done everything well, so maybe that setup is just not quite good enough to get reliable 24/7 reception in your area.</p></blockquote><p></p>
[QUOTE="PoloMint, post: 85596, member: 175235"] Hi, SGB A 1.3m dish won’t get reliable reception in the whole of the Málaga area, West of there it gets reception patterns like yours, 2B North channels dropping off in the early afternoon and reappearing again later. There are many theories as to why the footprint changes throughout the day. The main ones are: The satellite runs of solar during the day and battery at night so the transponders power down a bit when running of battery. Doesn’t seem likely as the signal can increase throughout the early evening (when there is still no sunlight at the satellite). The satellite does a daily re-alignment to make sure it isn’t drifting slightly away from its set position. However the pattern of the signal fading and reappearing is very regular and quite slow, it seems unlikely that any realignment would be so regular. The gravitational pull of the earth does not keep the satellite in an exact position over the earth, the earth is not a perfect sphere and this is reflected in it’s gravitational pull. The satellite is still geostationary, but moves around very slightly in a daily pattern, people on the very edge of the footprint, like yourself, notice this. I don’t know which theory is correct, there are many more and each one has avid supporters, but whatever it is we are stuck with it. It sounds like your installer has done everything well, so maybe that setup is just not quite good enough to get reliable 24/7 reception in your area. [/QUOTE]
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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky & Freesat fringe reception
Astra 2B (North) in Southern Spain - Reception Problems
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