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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Motorised satellite setup problem?
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<blockquote data-quote="Robbo" data-source="post: 540333" data-attributes="member: 256551"><p>Hi,</p><p></p><p>1. Yes.The motor spindle rotates on an axis aligned to the earth's polar axis.</p><p>AS viewed from the ground the dish is looking higher in the sky at '0' position than it is at any other position. It scribes out an arc, to match the satellite positions.</p><p></p><p>2. Not a major difference, but there are a small number of satellites and beams that you can get on a 1m that you can't on a 80cm, also depends on location. 7W, some 23.5E, some 26E and 16E are examples.</p><p></p><p>3. The dB rating of LNBs is their noise figure. The lower the better theoretically. It is calculated as the ratio of signal to noise in to signal to noise out, expresed in decibels.</p><p></p><p>Yes you may have a line of site problem, the figures you provide, give an angle to the top of the chimney as approx 30 degrees.</p><p></p><p>As the dish moves round the arc, you have to make sure any obstacles are below the elevation angle required for any particular satellite. dispointer.com, will provide you with all the figures.</p><p></p><p>Robbo<img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="Robbo, post: 540333, member: 256551"] Hi, 1. Yes.The motor spindle rotates on an axis aligned to the earth's polar axis. AS viewed from the ground the dish is looking higher in the sky at '0' position than it is at any other position. It scribes out an arc, to match the satellite positions. 2. Not a major difference, but there are a small number of satellites and beams that you can get on a 1m that you can't on a 80cm, also depends on location. 7W, some 23.5E, some 26E and 16E are examples. 3. The dB rating of LNBs is their noise figure. The lower the better theoretically. It is calculated as the ratio of signal to noise in to signal to noise out, expresed in decibels. Yes you may have a line of site problem, the figures you provide, give an angle to the top of the chimney as approx 30 degrees. As the dish moves round the arc, you have to make sure any obstacles are below the elevation angle required for any particular satellite. dispointer.com, will provide you with all the figures. Robbo:) [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Motorised satellite setup problem?
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