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<blockquote data-quote="moonbase" data-source="post: 882389" data-attributes="member: 178786">VS,Thank you for the reply, very informative and useful.On the point of the Norsat/XMW/eBay LNB requiring physical rotation at the dish focus, do you think this could be achieved by a co-rotor? I think that some of the C-Band dish setups use a co-rotor to alter the alignment of the LNB at its mounting point? In fact, I think I sold one of these to forum member &quot;aceb&quot; a couple of years ago along with a Precision 1.8m prime focus dish. I am just wondering if one of these could be creatively adapted to physically rotate the LNB?Please forgive such a &quot;Ka-Band newbie&quot; question but is there any technical reason why an old fashioned magnetic polariser would not work instead of physically rotating the LNB? For example a magnetic polariser from the days of quad band analogue LNB's where a receiver such as an EchoStar SR5500 or EchoStar LT8700 could power the magnetic polariser? Or is the waveguide internal diameter not the same or is it just a plain non starter due to technical specifications with Ka-Band?Rgds</blockquote>

[QUOTE="moonbase, post: 882389, member: 178786"] VS, Thank you for the reply, very informative and useful. On the point of the Norsat/XMW/eBay LNB requiring physical rotation at the dish focus, do you think this could be achieved by a co-rotor? I think that some of the C-Band dish setups use a co-rotor to alter the alignment of the LNB at its mounting point? In fact, I think I sold one of these to forum member "aceb" a couple of years ago along with a Precision 1.8m prime focus dish. I am just wondering if one of these could be creatively adapted to physically rotate the LNB? Please forgive such a "Ka-Band newbie" question but is there any technical reason why an old fashioned magnetic polariser would not work instead of physically rotating the LNB? For example a magnetic polariser from the days of quad band analogue LNB's where a receiver such as an EchoStar SR5500 or EchoStar LT8700 could power the magnetic polariser? Or is the waveguide internal diameter not the same or is it just a plain non starter due to technical specifications with Ka-Band? Rgds [/QUOTE]

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