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<blockquote data-quote="brother9" data-source="post: 1027276" data-attributes="member: 411346">I went on the ladder onto the roof today before the showers and fiddled with the LNB and arm. N.B. A STONE under the arm prevents it from moving.1) I moved the stone so that the arm was UP a bit: minimal change on BOM (11503H1667) signal: 74%. ALL other freq. are now 99%.2) Putting a block of wood into the arm is a good idea, and maybe some rubber around it should fix it properly.3) I pushed LNB forward a bit (2 cm) in its holder: not much change on BOM. Angle and distance of LNB looking at dish is fixed by manufacturer.4) Yesterday BOM was 53-66%, but it got to 79% during the night!! Explanation?5) I saw a brief signal on 11491/7522 (Castilla La Mancha) SIX times now! Less than a second. And as I was watching it EAGERLY I saw the quality indication at 70% !?70 !! So we are on the right track. I DO GET A SIGNAL FOR A FRACTION OF A SECOND! That is not yet “watching a program”….. Why only a fraction of a second?6) When I disconnect the telephone system from the mains, there is no change on 11491/11496/11503.7) The REDLINE tuner allows SR=1000 as a minimum.8) I do NOT have a PC connected to TV nor a spectrum analyzer nor any other sophisticated apparatus.9) I can do the “threads test” to check if the dish has any warping. Cannot do it in rain.10) Calculations? f=76 cm. But LNB to dish=72cm. Can YOU tell me how many mm from top and bottom of dish to F? (wide x high=98x110 operating area).11) Should signals from other near satellites be found on this fixed dish (multiple LNBs)?</blockquote>

[QUOTE="brother9, post: 1027276, member: 411346"] I went on the ladder onto the roof today before the showers and fiddled with the LNB and arm. N.B. A STONE under the arm prevents it from moving. 1) I moved the stone so that the arm was UP a bit: minimal change on BOM (11503H1667) signal: 74%. ALL other freq. are now 99%. 2) Putting a block of wood into the arm is a good idea, and maybe some rubber around it should fix it properly. 3) I pushed LNB forward a bit (2 cm) in its holder: not much change on BOM. Angle and distance of LNB looking at dish is fixed by manufacturer. 4) Yesterday BOM was 53-66%, but it got to 79% during the night!! Explanation? 5) I saw a brief signal on 11491/7522 (Castilla La Mancha) SIX times now! Less than a second. And as I was watching it EAGERLY I saw the quality indication at 70% !? 70 !! So we are on the right track. I DO GET A SIGNAL FOR A FRACTION OF A SECOND! That is not yet “watching a program”….. Why only a fraction of a second? 6) When I disconnect the telephone system from the mains, there is no change on 11491/11496/11503. 7) The REDLINE tuner allows SR=1000 as a minimum. 8) I do NOT have a PC connected to TV nor a spectrum analyzer nor any other sophisticated apparatus. 9) I can do the “threads test” to check if the dish has any warping. Cannot do it in rain. 10) Calculations? f=76 cm. But LNB to dish=72cm. Can YOU tell me how many mm from top and bottom of dish to F? (wide x high=98x110 operating area). 11) Should signals from other near satellites be found on this fixed dish (multiple LNBs)? [/QUOTE]

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