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Satellite TV receivers & systems support forums
Fringe Reception General
every year again Sun Outage!
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<blockquote data-quote="Low Profile" data-source="post: 554407" data-attributes="member: 190036"><p>I built an LNB holder for my converted meteosat dish from an old 80mm drain pipe, that deformed slightly due to (focused) heat. With proper materials any heat issue should be addressed with a commercial product. Heat (or temperature) is one of the main sources of noise, this is why some critical installations will have buried cable runs and some will cool the LNB.</p><p>I seem to recall from my college days that noise is proportional to root 4KBTR. (though it was 20 odd years ago, and I can't be bothered to google it!)</p></blockquote><p></p>
[QUOTE="Low Profile, post: 554407, member: 190036"] I built an LNB holder for my converted meteosat dish from an old 80mm drain pipe, that deformed slightly due to (focused) heat. With proper materials any heat issue should be addressed with a commercial product. Heat (or temperature) is one of the main sources of noise, this is why some critical installations will have buried cable runs and some will cool the LNB. I seem to recall from my college days that noise is proportional to root 4KBTR. (though it was 20 odd years ago, and I can't be bothered to google it!) [/QUOTE]
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Satellite TV receivers & systems support forums
Fringe Reception General
every year again Sun Outage!
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