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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
C-Band Reception, UK and Europe
Offset lnb on a PF ??
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<blockquote data-quote="Vipersan" data-source="post: 887667" data-attributes="member: 325666"><p>Just locked BBC Africa feed at a paltry 3.6db ..</p><p>By pointing the lnb slightly higher than dead centre ..</p><p>..a small increase in elevation was then required ...</p><p>Like I imagined ..this problem may be due to the fact that Christina is a deep dish ..so maybe using upper of lower segments gives a better representation of an offset dish ???</p><p>In my minds eye I still fail to see how an lnb offset from the focus but looking at the dish centre can behave like an offset dish ..</p><p>the signal arriving at the offset focus would be elongated ..into an oval</p><p>ie anything but sharp.</p><p>Please correct me if my minds eye view is totally wrong..</p><p>rgds</p><p>VS</p></blockquote><p></p>
[QUOTE="Vipersan, post: 887667, member: 325666"] Just locked BBC Africa feed at a paltry 3.6db .. By pointing the lnb slightly higher than dead centre .. ..a small increase in elevation was then required ... Like I imagined ..this problem may be due to the fact that Christina is a deep dish ..so maybe using upper of lower segments gives a better representation of an offset dish ??? In my minds eye I still fail to see how an lnb offset from the focus but looking at the dish centre can behave like an offset dish .. the signal arriving at the offset focus would be elongated ..into an oval ie anything but sharp. Please correct me if my minds eye view is totally wrong.. rgds VS [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
C-Band Reception, UK and Europe
Offset lnb on a PF ??
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