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DISH SETUP: Single sat, Multi-Sat & Motorised
Quattro lnb and diseqc motor.
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<blockquote data-quote="a33" data-source="post: 1070337" data-attributes="member: 332642"><p>Dish skew 73.2? For what satellites combination, at dublin??</p><p>When I enter 28e till 5w, I get 100.2 from dishpointer</p><p></p><p>But to answer: I guess dishpointer takes 90 degrees as 0 degrees (no dish skew). So a skew 100 would in fact be 10 degrees against the horizontal.</p><p></p><p>Problem with dishpointer and <strong>multisatellite skew</strong> is however, that some of the Astra calculations take into account the <strong>LNB preskew of 7,5</strong> degrees also for <strong>the dish skew</strong>, which is totally wrong. </p><p>I found that out long ago, but don't remember which multisatellite combinations give OK outputs, and which don't. (Mailing dishpointer doesn't help.)</p><p>Apart from that: you must choose a combination with the two most outward satellites in your setup, in your case 19e till 28e.</p><p><em>(Added: In that case, dishpointer gives skew 102.8, that is 12.8 against horizontal. Add 7,5 and you get about my 20. <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /> )</em></p><p></p><p>So I use my own approximate calculator for that now.</p><p>The about 20 degrees against the horizontal that I mentioned above for dublin for 19,2e and 28,35e come from my calculations.</p><p>So when you look into the dish, the 28e LNB would be central (I would firstly choose your option 1), and the 19e LNB would be at the right, and lower.</p><p>If you skew the total dish, or just the multifeed rail, is not really important (though skewing the dish would be best).</p><p></p><p>I hope the dish is big enough, to receive 19e with a 'byrider LNB'?</p><p>The LNB-skew (against the horizontal) of dishpointer for the Astras you can trust.</p><p></p><p>Greetz,</p><p>A33</p></blockquote><p></p>
[QUOTE="a33, post: 1070337, member: 332642"] Dish skew 73.2? For what satellites combination, at dublin?? When I enter 28e till 5w, I get 100.2 from dishpointer But to answer: I guess dishpointer takes 90 degrees as 0 degrees (no dish skew). So a skew 100 would in fact be 10 degrees against the horizontal. Problem with dishpointer and [B]multisatellite skew[/B] is however, that some of the Astra calculations take into account the [B]LNB preskew of 7,5[/B] degrees also for [B]the dish skew[/B], which is totally wrong. I found that out long ago, but don't remember which multisatellite combinations give OK outputs, and which don't. (Mailing dishpointer doesn't help.) Apart from that: you must choose a combination with the two most outward satellites in your setup, in your case 19e till 28e. [I](Added: In that case, dishpointer gives skew 102.8, that is 12.8 against horizontal. Add 7,5 and you get about my 20. :) )[/I] So I use my own approximate calculator for that now. The about 20 degrees against the horizontal that I mentioned above for dublin for 19,2e and 28,35e come from my calculations. So when you look into the dish, the 28e LNB would be central (I would firstly choose your option 1), and the 19e LNB would be at the right, and lower. If you skew the total dish, or just the multifeed rail, is not really important (though skewing the dish would be best). I hope the dish is big enough, to receive 19e with a 'byrider LNB'? The LNB-skew (against the horizontal) of dishpointer for the Astras you can trust. Greetz, A33 [/QUOTE]
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DISH SETUP: Single sat, Multi-Sat & Motorised
Quattro lnb and diseqc motor.
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