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Satellite TV receivers & systems support forums
Satellite Systems - What to Buy - What to install
Replacing an LNB
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<blockquote data-quote="benny" data-source="post: 49221" data-attributes="member: 175010"><p>Hello,</p><p>Dont forget that certain dishes have certain gain values and some lnb's work better at certain frequencies than others.It does get complicated if you wish to go down that road.But the best way i think is to get the calculator out and do some maths.</p><p></p><p>At the moment your 1m dish has a surface area of 7850cm squared</p><p>But a 1.2m dish has a surface area of 11304cm squared.</p><p></p><p>By going up a dish size you are collecting 44% more signal.</p><p>A dish is only a reflector at the end of the day. </p><p></p><p>Even with the fact that certain dishes have slightly better gain that others there is not 44% between them so really you can't lose.</p><p>There is more to it but try to keep it easy.</p><p></p><p>Most of the time firms sell expensive lnb's with a lower db gain to people who are limited to the size of their dish.Usually this is the wife that puts the blockers on jodrall bank going up in the back yard.</p><p></p><p>Hope this helps.</p><p></p><p>Others may be able to help you out with the best dish for your needs according to your location.</p><p></p><p>benny</p><p></p><p>Hope this helps</p></blockquote><p></p>
[QUOTE="benny, post: 49221, member: 175010"] Hello, Dont forget that certain dishes have certain gain values and some lnb's work better at certain frequencies than others.It does get complicated if you wish to go down that road.But the best way i think is to get the calculator out and do some maths. At the moment your 1m dish has a surface area of 7850cm squared But a 1.2m dish has a surface area of 11304cm squared. By going up a dish size you are collecting 44% more signal. A dish is only a reflector at the end of the day. Even with the fact that certain dishes have slightly better gain that others there is not 44% between them so really you can't lose. There is more to it but try to keep it easy. Most of the time firms sell expensive lnb's with a lower db gain to people who are limited to the size of their dish.Usually this is the wife that puts the blockers on jodrall bank going up in the back yard. Hope this helps. Others may be able to help you out with the best dish for your needs according to your location. benny Hope this helps [/QUOTE]
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Satellite TV receivers & systems support forums
Satellite Systems - What to Buy - What to install
Replacing an LNB
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