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Raven Feedhorn.
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<blockquote data-quote="Channel Hopper" data-source="post: 1059448" data-attributes="member: 175144"><p>There are usually two ratios in the offset world , 0.6 and 0.8 these equate to 51 and 39 degrees respectively, which is the aperture angle.</p><p></p><p>The Channel Master and Prodelin designs offer one or the other, and when fitted with a subreflector the 0.6 design magically becomes a 0.8.</p><p></p><p>Some offset dishes fall within the two, older Prodelin receive dishes (50 degrees) and a host of horrendous designs from southern Europe, hence the need for a matched feedhorn, which rarely fits the feed clamp.</p><p></p><p>This is why some can get the best signal with a generic LNBF using existing mounting points, and some experiment to find the best offset angles and use a proper feedhorn for the job.</p></blockquote><p></p>
[QUOTE="Channel Hopper, post: 1059448, member: 175144"] There are usually two ratios in the offset world , 0.6 and 0.8 these equate to 51 and 39 degrees respectively, which is the aperture angle. The Channel Master and Prodelin designs offer one or the other, and when fitted with a subreflector the 0.6 design magically becomes a 0.8. Some offset dishes fall within the two, older Prodelin receive dishes (50 degrees) and a host of horrendous designs from southern Europe, hence the need for a matched feedhorn, which rarely fits the feed clamp. This is why some can get the best signal with a generic LNBF using existing mounting points, and some experiment to find the best offset angles and use a proper feedhorn for the job. [/QUOTE]
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Raven Feedhorn.
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