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Sky Digital BSkyB, Freesat & Saorsat support forum
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Mesh or Solid Dishes
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<blockquote data-quote="iceman" data-source="post: 25011" data-attributes="member: 175804"><p>Date: Sun, 10 Oct 1999 15:06:28 +0200</p><p></p><p>"Rafael P. Sandoval" wrote: </p><p>For a given frequency in the Ku band, for the reception of TV signals, is a solid dish better than a mesh dish? If so, please explain. Also I know that the "holes" in a mesh could affect the reception of signals in either the C or Ku bands. If this is so, why are there mesh dishes?</p><p>Thank you and best regards,</p><p></p><p>Dr.Dish: </p><p>A accurate made mesh-dish delivers in ku-band a signal strength with the factor of 0.8, compared to a accurate made solid dish. This means you can compare a 3m mesh-dish with 2.4m solid dish. Much better is a double-mesh antenna. The holes are small enough to reflect a ku-band signal without too much losses, but still is not very strong to keep always a perfect parabolic shape (wind/change of temperatures). On the other hand, a strong and accurate made mesh dish will survive easier the full load of a storm. The mesh is a relict out of the old c-band age and works fine on this frequency-range. </p><p></p><p>-- Christian Mass (Dr.Dish)™</p><p></p><p>© 1999 by Dr.Dish</p><p></p><p></p><p>copy pasted from <a href="http://www.drdish.com/knowledge/9910/991003.shtml" target="_blank">http://www.drdish.com/knowledge/9910/991003.shtml</a></p><p></p><p>iceman</p></blockquote><p></p>
[QUOTE="iceman, post: 25011, member: 175804"] Date: Sun, 10 Oct 1999 15:06:28 +0200 "Rafael P. Sandoval" wrote: For a given frequency in the Ku band, for the reception of TV signals, is a solid dish better than a mesh dish? If so, please explain. Also I know that the "holes" in a mesh could affect the reception of signals in either the C or Ku bands. If this is so, why are there mesh dishes? Thank you and best regards, Dr.Dish: A accurate made mesh-dish delivers in ku-band a signal strength with the factor of 0.8, compared to a accurate made solid dish. This means you can compare a 3m mesh-dish with 2.4m solid dish. Much better is a double-mesh antenna. The holes are small enough to reflect a ku-band signal without too much losses, but still is not very strong to keep always a perfect parabolic shape (wind/change of temperatures). On the other hand, a strong and accurate made mesh dish will survive easier the full load of a storm. The mesh is a relict out of the old c-band age and works fine on this frequency-range. -- Christian Mass (Dr.Dish)™ © 1999 by Dr.Dish copy pasted from [url]http://www.drdish.com/knowledge/9910/991003.shtml[/url] iceman [/QUOTE]
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Sky Digital BSkyB, Freesat & Saorsat support forum
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Mesh or Solid Dishes
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