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Satellite TV receivers & systems support forums
Satellite Systems - What to Buy - What to install
Psi x-2 lnb or c1w pll lnb or ? : )
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<blockquote data-quote="Terryl" data-source="post: 1066319" data-attributes="member: 369937"><p>"C" band is a bit better on the rain fade problem, but only if you use a proper sized dish for that band, a 1.5 meter dish is a bit small for good reception on "C" band, but will work great for "Ku" band. Normal installs for a "C" band system use around a 3 meter dish for good reception.</p><p></p><p>The LNB it's self is very water tight if properly installed, however the coax could be another problem, water getting into the connections can cause all sorts of problems, if the outside connections to the LNB and ground block are not properly sealed, water can and will get in, also if the coax jacket is old it can crack, this would let water inside to affect the insulation and shielding braid, this would affect the signals. </p><p></p><p>Another problem could be that water has got in sometime in the past and caused the center conductor to rust if it is the copper plated type of center conductor used in cheap coax, the rust can affect one band but not the other, this due to wierd prblems related to the change in inductance on the coax.</p></blockquote><p></p>
[QUOTE="Terryl, post: 1066319, member: 369937"] "C" band is a bit better on the rain fade problem, but only if you use a proper sized dish for that band, a 1.5 meter dish is a bit small for good reception on "C" band, but will work great for "Ku" band. Normal installs for a "C" band system use around a 3 meter dish for good reception. The LNB it's self is very water tight if properly installed, however the coax could be another problem, water getting into the connections can cause all sorts of problems, if the outside connections to the LNB and ground block are not properly sealed, water can and will get in, also if the coax jacket is old it can crack, this would let water inside to affect the insulation and shielding braid, this would affect the signals. Another problem could be that water has got in sometime in the past and caused the center conductor to rust if it is the copper plated type of center conductor used in cheap coax, the rust can affect one band but not the other, this due to wierd prblems related to the change in inductance on the coax. [/QUOTE]
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Satellite Systems - What to Buy - What to install
Psi x-2 lnb or c1w pll lnb or ? : )
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