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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Tests of 120cm antennas
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<blockquote data-quote="archive10" data-source="post: 914004"><p>I think this is one of the reasons you get really good results with the Inverto black ultras - they have a very long neck, and the integrated feedhorn (and thuse the phase center) can be pushed very close to where the CM feedhorn has it. At that point me be placed where it is (in relation to the feed holder) to accomodate feedhorns - remember this was designed primarily as a (semi-)pro dish.</p><p>See first attached picture for the optimal position on my CM180 (as measured with the ProMax).</p><p></p><p>In contrast, other designs has the phase center much closer to the holder to support modern universal LNBs with denser feed-horn designs.</p><p>See second attached picture for my Wavefrontier T55, where the IBU is held at the other end of the neck.</p></blockquote><p></p>
[QUOTE="archive10, post: 914004"] I think this is one of the reasons you get really good results with the Inverto black ultras - they have a very long neck, and the integrated feedhorn (and thuse the phase center) can be pushed very close to where the CM feedhorn has it. At that point me be placed where it is (in relation to the feed holder) to accomodate feedhorns - remember this was designed primarily as a (semi-)pro dish. See first attached picture for the optimal position on my CM180 (as measured with the ProMax). In contrast, other designs has the phase center much closer to the holder to support modern universal LNBs with denser feed-horn designs. See second attached picture for my Wavefrontier T55, where the IBU is held at the other end of the neck. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Tests of 120cm antennas
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