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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Norsat LNB Whats Wrong ? pics
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<blockquote data-quote="canofan" data-source="post: 500807" data-attributes="member: 259756"><p>There are on the market some very expensive RX only OMTs with screws to tune. The Andrew junction blocks are optimised for this application only and do not need the screws.</p><p>Qualitatively you are right about insertion loss. Nothing to insert is always better. But how much quantitatively does this insertion worsen the signal? Perhaps is it marginal and the benefit/comfort of using one may be worth it.</p><p>If you told me that the insertion loss may reduce SNR by 1.5db I would be unhappy about it; but 0.2 db I am ready to accept.</p><p>It seems to me that only by testing such a rig could we find out.</p></blockquote><p></p>
[QUOTE="canofan, post: 500807, member: 259756"] There are on the market some very expensive RX only OMTs with screws to tune. The Andrew junction blocks are optimised for this application only and do not need the screws. Qualitatively you are right about insertion loss. Nothing to insert is always better. But how much quantitatively does this insertion worsen the signal? Perhaps is it marginal and the benefit/comfort of using one may be worth it. If you told me that the insertion loss may reduce SNR by 1.5db I would be unhappy about it; but 0.2 db I am ready to accept. It seems to me that only by testing such a rig could we find out. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Norsat LNB Whats Wrong ? pics
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