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<blockquote data-quote="Llew" data-source="post: 1139079" data-attributes="member: 175007">I decided to try an LNB (Inverto Premium PLL) on the Triax TD88 with its shorter cable run to see if there was any improvement on the false mux appearance with neumoDVB on 16E H polarity spectrum scan.Initially, there was&nbsp; still the same problem, 11227H showing instead of 11221H, as shown in my previous posts. I then did a V polarity scan, which also showed a non-existent mux on 11235H, the adjacent mux on 11282V locking OK :-[ATTACH=full]146275[/ATTACH]I then decided to do a combined H and V polarity scan, which to my surprise showed the correct muxes, with no sign of the 'phantom' muxes :-[ATTACH=full]146277[/ATTACH]I then re-did an H Pol only scan. It now gave me the correct muxes! ( A scan of V Pol also gives a correct spectrum result).It all seems very odd to me that doing the H and V scan 'seemed' to correct the spectrums. I will do subsequent tests occasionally to see if there's any repeat of the anomaly.[ATTACH=full]146278[/ATTACH]</blockquote>

[QUOTE="Llew, post: 1139079, member: 175007"] I decided to try an LNB (Inverto Premium PLL) on the Triax TD88 with its shorter cable run to see if there was any improvement on the false mux appearance with neumoDVB on 16E H polarity spectrum scan. Initially, there was still the same problem, 11227H showing instead of 11221H, as shown in my previous posts. I then did a V polarity scan, which also showed a non-existent mux on 11235H, the adjacent mux on 11282V locking OK :- [ATTACH type="full" alt="11282V.png"]146275[/ATTACH] I then decided to do a combined H and V polarity scan, which to my surprise showed the correct muxes, with no sign of the 'phantom' muxes :- [ATTACH type="full" alt="11221H.png"]146277[/ATTACH] I then re-did an H Pol only scan. It now gave me the correct muxes! ( A scan of V Pol also gives a correct spectrum result). It all seems very odd to me that doing the H and V scan 'seemed' to correct the spectrums. I will do subsequent tests occasionally to see if there's any repeat of the anomaly. [ATTACH type="full" alt="11221H after an HV scan.png"]146278[/ATTACH] [/QUOTE]

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