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Satellite TV receivers & systems support forums
Fringe Reception General
Bulgarian channels 23.5E or 39E in Bahrain
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<blockquote data-quote="hexah" data-source="post: 841748" data-attributes="member: 333852"><p>Years ago when I had my big dish up I noticed on sunny days in the afternoon marginal channels would develop sparklies. Investigating the connections I found the metal LNB was warm to the touch so I painted the C120 LNB white to match the previously used LNB which was white. That cured the problem as the LNB was obviously cooking in the direct sunlight and the reflected sunlight from the 2m white dish.</p><p></p><p>The LNB is more than 20 years old and as you can see in my photo the paint has become a bit discoloured in storage.</p><p></p><p>[ATTACH]54169[/ATTACH]</p><p></p><p>Imagine how much more intense the sun is in Bahrain. A million times more intense that here I think. Anything black coloured will be cooking. So the white plastic of the Triax LNB will be giving it an unfair advantage.</p><p></p><p>Try covering up the white cap of the Black Ultra and tape up the f connection and spray it with 2 to 3 coats of white plastikote paint or similar.</p><p></p><p>(It will look far better than my crap attempts at painting, I didn't bother taking it off the dish. :-per)</p><p></p><p>See if that improves its performance.</p><p></p><p>Also the Black Ultra should hold on to the weak signal longer than the Triax, so the dB figure may be a bit misleading.</p></blockquote><p></p>
[QUOTE="hexah, post: 841748, member: 333852"] Years ago when I had my big dish up I noticed on sunny days in the afternoon marginal channels would develop sparklies. Investigating the connections I found the metal LNB was warm to the touch so I painted the C120 LNB white to match the previously used LNB which was white. That cured the problem as the LNB was obviously cooking in the direct sunlight and the reflected sunlight from the 2m white dish. The LNB is more than 20 years old and as you can see in my photo the paint has become a bit discoloured in storage. [ATTACH]54169.IPB[/ATTACH] Imagine how much more intense the sun is in Bahrain. A million times more intense that here I think. Anything black coloured will be cooking. So the white plastic of the Triax LNB will be giving it an unfair advantage. Try covering up the white cap of the Black Ultra and tape up the f connection and spray it with 2 to 3 coats of white plastikote paint or similar. (It will look far better than my crap attempts at painting, I didn't bother taking it off the dish. :-per) See if that improves its performance. Also the Black Ultra should hold on to the weak signal longer than the Triax, so the dB figure may be a bit misleading. [/QUOTE]
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Satellite TV receivers & systems support forums
Fringe Reception General
Bulgarian channels 23.5E or 39E in Bahrain
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