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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Hispasat with a Sky minidish
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<blockquote data-quote="alterego" data-source="post: 138170" data-attributes="member: 195245"><p>Yes, but the Cambridge one I took the top off had an oval horn casting. To the rear of this was the waveguide containing the antenna etc. This was part of the same casting, but was itself skewed relative to the oval front. Thus it would be impossible to set a true zero skew on the assembly as a whole wouldn't it? </p><p>There are some pics of a sky lnb on the satcure site in the sky lnb technical section which show some of what I'm getting at:</p><p>http://www.satcure.co.uk/tech/page10.htm.</p><p>I must admit its a very long time since I did microwaves at University, and even then I concluded that they were based on witchcraft rather than physics!</p></blockquote><p></p>
[QUOTE="alterego, post: 138170, member: 195245"] Yes, but the Cambridge one I took the top off had an oval horn casting. To the rear of this was the waveguide containing the antenna etc. This was part of the same casting, but was itself skewed relative to the oval front. Thus it would be impossible to set a true zero skew on the assembly as a whole wouldn't it? There are some pics of a sky lnb on the satcure site in the sky lnb technical section which show some of what I'm getting at: http://www.satcure.co.uk/tech/page10.htm. I must admit its a very long time since I did microwaves at University, and even then I concluded that they were based on witchcraft rather than physics! [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Hispasat with a Sky minidish
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