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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
CM 2.4mtr offset
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<blockquote data-quote="ouagadougou" data-source="post: 445991" data-attributes="member: 187470"><p>You could use some small mirrors 1cm square and place them on the main 2.4m reflector at various points. If you point the dish at the sun (I know this may be a problem in your case) then the reflected light will tell you exactly where the focal point is and it will show you if any part of the dish surface is not aligned properly because the reflected light will not be at the focus.</p><p></p><p>In general terms the dual mode feed that came with the dish will out perform a corrugated/stepped feed that you replaced it with. Andrew have so many feed types so its best to check the part number and see what the spec says about its frequency coverage etc.</p><p></p><p>Andrew do a Gregorian feed for your dish as I have one on our 1.8m Andrew/CM here for VSAT use. Not sure what the cost of the Gregorian dual reflector feed arrangment is but I bet its not cheap knowing Andrew.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="ouagadougou, post: 445991, member: 187470"] You could use some small mirrors 1cm square and place them on the main 2.4m reflector at various points. If you point the dish at the sun (I know this may be a problem in your case) then the reflected light will tell you exactly where the focal point is and it will show you if any part of the dish surface is not aligned properly because the reflected light will not be at the focus. In general terms the dual mode feed that came with the dish will out perform a corrugated/stepped feed that you replaced it with. Andrew have so many feed types so its best to check the part number and see what the spec says about its frequency coverage etc. Andrew do a Gregorian feed for your dish as I have one on our 1.8m Andrew/CM here for VSAT use. Not sure what the cost of the Gregorian dual reflector feed arrangment is but I bet its not cheap knowing Andrew. Cheers. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
CM 2.4mtr offset
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