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DISH SETUP: Single sat, Multi-Sat & Motorised
The Precision Antennas 2.8m Dish Project (S4C Auction)
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<blockquote data-quote="uhf-satcom.com" data-source="post: 1117818" data-attributes="member: 403456"><p>Update on feed supports; 4 point fixing to feed support plate, idea is to mount various feed bands on studding through the mounting holes.</p><p></p><p>[ATTACH=full]138393[/ATTACH]</p><p></p><p>8.4GHz feed for DSN;</p><p></p><p>[ATTACH=full]138394[/ATTACH]</p><p></p><p>L/S band cavity backed spiral feed plus LNA's etc;</p><p></p><p>[ATTACH=full]138395[/ATTACH]</p><p></p><p>C-Band LNB - titanium PLL thing, performance seems OK.</p><p></p><p>[ATTACH=full]138396[/ATTACH]</p><p></p><p>10GHz EME transmit / receive system;</p><p></p><p>[ATTACH=full]138397[/ATTACH]</p><p></p><p>Next on the list is Ku LNB with adjustable servo driven skew, and Ka band probably also with adjustable skew, need to see if its worth the engineering time. </p><p></p><p>So far the feed support idea seems to work nicely, each feed can be set with lock nuts on the 4X studding so that the phase centre of the feed is in the right place in terms of focus etc.</p><p></p><p>regards, </p><p></p><p>Paul (Twitter @UHF_Satcom)</p></blockquote><p></p>
[QUOTE="uhf-satcom.com, post: 1117818, member: 403456"] Update on feed supports; 4 point fixing to feed support plate, idea is to mount various feed bands on studding through the mounting holes. [ATTACH type="full"]138393[/ATTACH] 8.4GHz feed for DSN; [ATTACH type="full"]138394[/ATTACH] L/S band cavity backed spiral feed plus LNA's etc; [ATTACH type="full"]138395[/ATTACH] C-Band LNB - titanium PLL thing, performance seems OK. [ATTACH type="full"]138396[/ATTACH] 10GHz EME transmit / receive system; [ATTACH type="full"]138397[/ATTACH] Next on the list is Ku LNB with adjustable servo driven skew, and Ka band probably also with adjustable skew, need to see if its worth the engineering time. So far the feed support idea seems to work nicely, each feed can be set with lock nuts on the 4X studding so that the phase centre of the feed is in the right place in terms of focus etc. regards, Paul (Twitter @UHF_Satcom) [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
The Precision Antennas 2.8m Dish Project (S4C Auction)
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