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DISH SETUP: Single sat, Multi-Sat & Motorised
signal strength v quality
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<blockquote data-quote="FRAZER" data-source="post: 15366" data-attributes="member: 175135"><p>Just to report back what I have managed to find out- unfortunately not very much! I've done a bit of judicious pruning to try and leave a good path for 12.5 west, but it made little or no difference to the quality of signal I'm receiving. Also I played with the lnb skew, and although this did improve the signal quality a little, it made a number of other satellites a lot worse. Finding a happy compromise put me right back where I started- as I said before my set up was professionally installed, so I guess he did a good job. The angle of the lnb seems to be fixed by the plastic moulding that holds it to the arm, so I presume the whole kit is designed so that the lnb points to the centre of the dish. I am a little loathed to mess with anything else now, as it's a very laborious business running to and from the TV after each minor adjustment, and I figure that maybe my installer has set me up to the maximum potential already. </p><p></p><p>One thing I have noticed, though, is that where the signal quality does vary massively amongst channels on the same satellite, such as those on 12.5 and 15 West, it is, as was suggested before, often those transponders which carry more than one channel that are causing the problem. For instance, on 12.5 W, the MBC Europe channel (11155 H, 2892, 3/4) gives a decent enough signal quality on a very poor signal strength, whereas the three sports feeds on 11014 H, 20150, 3/4 give a signal quality too low to capture despite having a much stronger signal strength. Similarly on 15 W, the BTV channel at 10989 V 4480 3/4 gives a lowish but watchable signal quality, whereas at 10996 V 7110 3/4, the 4 channels (part of the UPC package- including the sports channel which is FTA at present), are again too low to capture despite a similar signal strength.</p><p></p><p>All of which leads me to wonder whether my system is working pretty near to it's optimum, bar, perhaps, chopping down the tree completely, and it's just sod's law that the channels I'm interested in are the weaker ones. I'm sure that a slightly bigger dish would do the trick, but I'm not sure how popular that would be, so I may take a risk on a low noise lnb when I get round to changing to a twin, and hope that might give me the small boost I need. Has anyone heard anything good or otherwise about the 0.3 db Invacom lnbs which are easily and cheaply available in Germany now? I have read some sceptical posts on a German website, but based on the memory of previous spurious claims by other lnbs, as has been noted on this forum before, rather than experience of this particular brand. Could it perform any worse than a quality 0.6db model? (such as a twin MTI Blueline, which I believe has got a recommendation here before, and which I could get for 40 euros on German e-Bay) .</p><p></p><p>Anyway, thanks again for all the previous advice I've been given here, </p><p></p><p>Frazer</p></blockquote><p></p>
[QUOTE="FRAZER, post: 15366, member: 175135"] Just to report back what I have managed to find out- unfortunately not very much! I've done a bit of judicious pruning to try and leave a good path for 12.5 west, but it made little or no difference to the quality of signal I'm receiving. Also I played with the lnb skew, and although this did improve the signal quality a little, it made a number of other satellites a lot worse. Finding a happy compromise put me right back where I started- as I said before my set up was professionally installed, so I guess he did a good job. The angle of the lnb seems to be fixed by the plastic moulding that holds it to the arm, so I presume the whole kit is designed so that the lnb points to the centre of the dish. I am a little loathed to mess with anything else now, as it's a very laborious business running to and from the TV after each minor adjustment, and I figure that maybe my installer has set me up to the maximum potential already. One thing I have noticed, though, is that where the signal quality does vary massively amongst channels on the same satellite, such as those on 12.5 and 15 West, it is, as was suggested before, often those transponders which carry more than one channel that are causing the problem. For instance, on 12.5 W, the MBC Europe channel (11155 H, 2892, 3/4) gives a decent enough signal quality on a very poor signal strength, whereas the three sports feeds on 11014 H, 20150, 3/4 give a signal quality too low to capture despite having a much stronger signal strength. Similarly on 15 W, the BTV channel at 10989 V 4480 3/4 gives a lowish but watchable signal quality, whereas at 10996 V 7110 3/4, the 4 channels (part of the UPC package- including the sports channel which is FTA at present), are again too low to capture despite a similar signal strength. All of which leads me to wonder whether my system is working pretty near to it's optimum, bar, perhaps, chopping down the tree completely, and it's just sod's law that the channels I'm interested in are the weaker ones. I'm sure that a slightly bigger dish would do the trick, but I'm not sure how popular that would be, so I may take a risk on a low noise lnb when I get round to changing to a twin, and hope that might give me the small boost I need. Has anyone heard anything good or otherwise about the 0.3 db Invacom lnbs which are easily and cheaply available in Germany now? I have read some sceptical posts on a German website, but based on the memory of previous spurious claims by other lnbs, as has been noted on this forum before, rather than experience of this particular brand. Could it perform any worse than a quality 0.6db model? (such as a twin MTI Blueline, which I believe has got a recommendation here before, and which I could get for 40 euros on German e-Bay) . Anyway, thanks again for all the previous advice I've been given here, Frazer [/QUOTE]
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DISH SETUP: Single sat, Multi-Sat & Motorised
signal strength v quality
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