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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky & Freesat fringe reception
C4 Transporder
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<blockquote data-quote="ameolive" data-source="post: 41296" data-attributes="member: 175604"><p>Thanks for your replies.</p><p></p><p>It appears to have been just an isolated episode as since then I haven't exeperienced anymore pixelation.</p><p>I confirm that everything was fine through the ' added channels ' menu; this is the reason why I guessed that the C4, I was watching on the EPG , was transmitting from a different transponder.</p><p></p><p>To be honest it was quite scary because as said before so far, even with a .8 mt dish, I had no problems receiving C4 even in moderate rain.</p><p></p><p>I fully agree with DENIS 1501 when he says that this period is the best for receiving from 2A north I noticed exactly the same.</p><p></p><p>I think that part of this behaviour may also be explained with temperature effetcs , we should not forget that all the dishes are basically southfacing and during our roman summers I believes that temperature inside the LNBs may easily get 60 or 70 deg so irremediably degrading the quality of the signal ( the hotter the more disturbing noise is produced in the elettronic components ), this degradation may be unnoticed with a good quality signal but not on my dish where when at its best it delivers just a meger 30% .</p><p></p><p>In addition I have also to say that even from the same beam 2A North , not all the transporder behaves in the same way.</p><p></p><p>Of course it depends partly from the LNB skew but I believe also from the fact that probably ( but it just a guess ) each transporder transmits with different power.</p><p>Anyway in my case I adjusted the skewness of my LNB to optimise C4 reception so that I have 30% quality for C4 ( for most of the day and clear sky ) while, under the same conditions, I have just 10% for say 11778.</p><p></p><p>Having said the above, I still have to find an answer to my old question also known as the 'mistery of the misteries '. </p><p></p><p>The question is quite simple : ' Is anybody able to explain me why I can manage to obtain an outstanding 80% quality from channels transmitting from transponders located on 2B north ? While in principle and according to ASTRA charts there would be no differences in terms of reception between 2A north and 2B north ? ( you may check this using the 'add channel' menu' ) </p><p>I have posted this question at least a couple of times but so far I never received an answer</p><p></p><p>Hoping to hear from someone </p><p></p><p>Ciao e Grazie</p><p>Ameolive</p></blockquote><p></p>
[QUOTE="ameolive, post: 41296, member: 175604"] Thanks for your replies. It appears to have been just an isolated episode as since then I haven't exeperienced anymore pixelation. I confirm that everything was fine through the ' added channels ' menu; this is the reason why I guessed that the C4, I was watching on the EPG , was transmitting from a different transponder. To be honest it was quite scary because as said before so far, even with a .8 mt dish, I had no problems receiving C4 even in moderate rain. I fully agree with DENIS 1501 when he says that this period is the best for receiving from 2A north I noticed exactly the same. I think that part of this behaviour may also be explained with temperature effetcs , we should not forget that all the dishes are basically southfacing and during our roman summers I believes that temperature inside the LNBs may easily get 60 or 70 deg so irremediably degrading the quality of the signal ( the hotter the more disturbing noise is produced in the elettronic components ), this degradation may be unnoticed with a good quality signal but not on my dish where when at its best it delivers just a meger 30% . In addition I have also to say that even from the same beam 2A North , not all the transporder behaves in the same way. Of course it depends partly from the LNB skew but I believe also from the fact that probably ( but it just a guess ) each transporder transmits with different power. Anyway in my case I adjusted the skewness of my LNB to optimise C4 reception so that I have 30% quality for C4 ( for most of the day and clear sky ) while, under the same conditions, I have just 10% for say 11778. Having said the above, I still have to find an answer to my old question also known as the 'mistery of the misteries '. The question is quite simple : ' Is anybody able to explain me why I can manage to obtain an outstanding 80% quality from channels transmitting from transponders located on 2B north ? While in principle and according to ASTRA charts there would be no differences in terms of reception between 2A north and 2B north ? ( you may check this using the 'add channel' menu' ) I have posted this question at least a couple of times but so far I never received an answer Hoping to hear from someone Ciao e Grazie Ameolive [/QUOTE]
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Sky Digital BSkyB, Freesat & Saorsat support forum
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C4 Transporder
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