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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky
ITV reception problems
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<blockquote data-quote="Channel Hopper" data-source="post: 2849" data-attributes="member: 175144"><p>A slope equaliser will not attenuate the lower frequencies so the notation is incorrect</p><p></p><p>The fitting of these should only be done where there is a long run of cable between dish and receiver. The near linear output of gain from the LNB is attenuated more at higher frequencies when it passes through the cable. I assume a trimmer is used to best mimic and reverse the effects of the cable (adjustment based on length and size of cable)</p><p></p><p>The slope of the equaliser is designed to reverse the tail off at the top, giving the receiver something at all frequencies, however they also add noise, and if the signal is not good to start with, it wont help pull out the signal from the background</p><p></p><p>Since Germany is not far from Poland, it would be easy to get a cheap dish in steel (1m or 1.1m) from over the border for about the same price as an equialiser, and then you could guarantee perfect reception regardless of the cloud cover.</p></blockquote><p></p>
[QUOTE="Channel Hopper, post: 2849, member: 175144"] A slope equaliser will not attenuate the lower frequencies so the notation is incorrect The fitting of these should only be done where there is a long run of cable between dish and receiver. The near linear output of gain from the LNB is attenuated more at higher frequencies when it passes through the cable. I assume a trimmer is used to best mimic and reverse the effects of the cable (adjustment based on length and size of cable) The slope of the equaliser is designed to reverse the tail off at the top, giving the receiver something at all frequencies, however they also add noise, and if the signal is not good to start with, it wont help pull out the signal from the background Since Germany is not far from Poland, it would be easy to get a cheap dish in steel (1m or 1.1m) from over the border for about the same price as an equialiser, and then you could guarantee perfect reception regardless of the cloud cover. [/QUOTE]
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Sky Digital BSkyB, Freesat & Saorsat support forum
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ITV reception problems
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