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Satellite TV receivers & systems support forums
Fringe Reception General
0.01dB lnb?
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<blockquote data-quote="ouagadougou" data-source="post: 190553" data-attributes="member: 187470"><p>Thats because Invacom and many of the others are misleading you when they quote a Noise Figure of 0.3dB which is purely for marketing purposes. </p><p></p><p>SMW are more accurate and honest when they quote 0.8dB.</p><p></p><p>If you went from a real 0.8dB NF LNB to a real 0.3dB NF LNB then you should see a sensitivity improvement of 4.4dB which is quite an improvement by any standards and is not far short of doubling the dish diameter. Clearly we dont get anywhere near that amount of improvement with these so called 0.3dB LNB's because the 0.3dB spec is fake.</p><p></p><p>The gain difference between LNB's is also very important and can contribut quite a lot to sensitivity improvement.</p></blockquote><p></p>
[QUOTE="ouagadougou, post: 190553, member: 187470"] Thats because Invacom and many of the others are misleading you when they quote a Noise Figure of 0.3dB which is purely for marketing purposes. SMW are more accurate and honest when they quote 0.8dB. If you went from a real 0.8dB NF LNB to a real 0.3dB NF LNB then you should see a sensitivity improvement of 4.4dB which is quite an improvement by any standards and is not far short of doubling the dish diameter. Clearly we dont get anywhere near that amount of improvement with these so called 0.3dB LNB's because the 0.3dB spec is fake. The gain difference between LNB's is also very important and can contribut quite a lot to sensitivity improvement. [/QUOTE]
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Satellite TV receivers & systems support forums
Fringe Reception General
0.01dB lnb?
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