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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="RimaNTSS" data-source="post: 918363" data-attributes="member: 312276"><p>So, after getting clear LOS towards 7,3*W, did couple of tests today. First - put CM120 original LNB holder, IBU in it, tuned antenna as good I could to 7,3*W and scanned all 45 available frequencies. Excluded from list frequencies belonging to 7*W. Recorded signal levels. </p><p>Than removed very fast original LNB holder, installed self-made holder and inserted same IBU. Of course, adjusted dish properly to get maximum signal on same frequency as I did for original holder. Scanned same frequencies again. I do not think that between 2 tests more than 20 minutes passed. In those 20 minutes weather conditions did not change at all. </p><p>Only on 3 frequencies signal level was better with original LNB holder. On other 42 frequencies I observed better signal level. </p><p>My conclusion- after putting LNB in antenna's focus and proper aiming of it, it is possible to get some increase of performance of system. [ATTACH=full]74213[/ATTACH] [ATTACH=full]74214[/ATTACH]</p></blockquote><p></p>
[QUOTE="RimaNTSS, post: 918363, member: 312276"] So, after getting clear LOS towards 7,3*W, did couple of tests today. First - put CM120 original LNB holder, IBU in it, tuned antenna as good I could to 7,3*W and scanned all 45 available frequencies. Excluded from list frequencies belonging to 7*W. Recorded signal levels. Than removed very fast original LNB holder, installed self-made holder and inserted same IBU. Of course, adjusted dish properly to get maximum signal on same frequency as I did for original holder. Scanned same frequencies again. I do not think that between 2 tests more than 20 minutes passed. In those 20 minutes weather conditions did not change at all. Only on 3 frequencies signal level was better with original LNB holder. On other 42 frequencies I observed better signal level. My conclusion- after putting LNB in antenna's focus and proper aiming of it, it is possible to get some increase of performance of system. [ATTACH=full]74213[/ATTACH] [ATTACH=full]74214[/ATTACH] [/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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