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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Dish Setup Guides, Information threads and FAQs
Multifeed installation and exact calculation of LNB position
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<blockquote data-quote="davemurgtroyd" data-source="post: 954803" data-attributes="member: 319227"><p>Unless you know exactly which portion of an elliptic paraboloid the dish uses (and manufacturers use different ones as witnessed by the differing focal points) then any calculations you make are going to be mere approximations and guesstimates and empirical measurements are required.</p><p></p><p>Again a curved multifeed arm designed for a particular make of dish is going to be the optimum solution - but again with a lot of lnbs they can be moved nearer or further from the dish so as long as they are aimed correctly at the dish.</p><p></p><p>General calculations may well give you approximate positioning but adjustment of lnbs will always be required on installation in situ.</p></blockquote><p></p>
[QUOTE="davemurgtroyd, post: 954803, member: 319227"] Unless you know exactly which portion of an elliptic paraboloid the dish uses (and manufacturers use different ones as witnessed by the differing focal points) then any calculations you make are going to be mere approximations and guesstimates and empirical measurements are required. Again a curved multifeed arm designed for a particular make of dish is going to be the optimum solution - but again with a lot of lnbs they can be moved nearer or further from the dish so as long as they are aimed correctly at the dish. General calculations may well give you approximate positioning but adjustment of lnbs will always be required on installation in situ. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Dish Setup Guides, Information threads and FAQs
Multifeed installation and exact calculation of LNB position
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