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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
C-Band Reception, UK and Europe
C1 PLL offset on my 1.5 - New approach
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<blockquote data-quote="Vipersan" data-source="post: 905512" data-attributes="member: 325666"><p>..Well ..not new ...but new for me.</p><p>Previously this lnb was offset to the East of focus by about 8 or 9 degrees..</p><p>Yes it worked but very limited in what it could see.</p><p>So in light of the earlier mods to include elevation control I am experimenting with mounting above the XMW at the focus ...</p><p>Problem of course is that I have to make sure the conical feed does not mask the Ka lnbs .....thus I am restricted by proximity ..and to avoid masking have raised it up a good way.</p><p>There may be room to reduce the height but not a helluva lot.</p><p>I estimate the C1PLL is currently about 4 to 5 degrees above the focus.</p><p>..and am currently pointing at 5W..and getting some signals.</p><p>My question for those who have tried this already either E-W or N-S of the focus on a 1.5 is just what you can receive at 5W and at what level ...so I have something to compare to.</p><p>Rgds</p><p>VS</p><p>4154V mux (unlocked) at 7.9db here</p><p>3728V mux locked at 8.7db etc</p><p></p><p>This project was conceived before my recent MS relapse ..but was feeling well enough today to fit the bracket and try it out..</p><p></p><p>;)</p></blockquote><p></p>
[QUOTE="Vipersan, post: 905512, member: 325666"] ..Well ..not new ...but new for me. Previously this lnb was offset to the East of focus by about 8 or 9 degrees.. Yes it worked but very limited in what it could see. So in light of the earlier mods to include elevation control I am experimenting with mounting above the XMW at the focus ... Problem of course is that I have to make sure the conical feed does not mask the Ka lnbs .....thus I am restricted by proximity ..and to avoid masking have raised it up a good way. There may be room to reduce the height but not a helluva lot. I estimate the C1PLL is currently about 4 to 5 degrees above the focus. ..and am currently pointing at 5W..and getting some signals. My question for those who have tried this already either E-W or N-S of the focus on a 1.5 is just what you can receive at 5W and at what level ...so I have something to compare to. Rgds VS 4154V mux (unlocked) at 7.9db here 3728V mux locked at 8.7db etc This project was conceived before my recent MS relapse ..but was feeling well enough today to fit the bracket and try it out.. ;) [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
C-Band Reception, UK and Europe
C1 PLL offset on my 1.5 - New approach
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