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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
dish elevation help
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<blockquote data-quote="AForester" data-source="post: 61857" data-attributes="member: 181748"><p>Your dish will not be elevated at 67.6 degrees</p><p></p><p>The motor elevation figure of 39.5 is a number that you set your motor to so that the dish can track the arc above the equator where the satellites are located. This figure differs from place to place. You will notice that the dish mounting pole on the motor is not leaning back at 39.6 degrees.</p><p>As Rolfw states, the elevation of the bird from your location is 32.7 degrees. If you had a centre fed dish on a fixed pole, you would have to tilt back the dish by this amount. But you have an offset dish, the offset has to be deducted from the look angle, hence Rolfw's number of "whatever".</p><p>The sun in a few weeks will be passing directly behind the satellites as it tracks across the sky so the satellite signals will be coming from points slightly lower than where the sun is at the moment, nothing like 67.6 degrees above the horizon.</p><p>Set your receiver to one of the frequencies I mentioned in an earlier post on Amos 2 at 4west. Point your dish, at about 1/4 past 1pm (BST) at the sun and slowly lower your dish until you get a reading on your receiver. Then do your fine tuning az and el, clamp up bolts. Set your receiver to steer to 30 west and 28 east you should then be on the arc. That is "if" your mounting pole is dead plumb in all directions<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /> </p><p>Regards AF</p></blockquote><p></p>
[QUOTE="AForester, post: 61857, member: 181748"] Your dish will not be elevated at 67.6 degrees The motor elevation figure of 39.5 is a number that you set your motor to so that the dish can track the arc above the equator where the satellites are located. This figure differs from place to place. You will notice that the dish mounting pole on the motor is not leaning back at 39.6 degrees. As Rolfw states, the elevation of the bird from your location is 32.7 degrees. If you had a centre fed dish on a fixed pole, you would have to tilt back the dish by this amount. But you have an offset dish, the offset has to be deducted from the look angle, hence Rolfw's number of "whatever". The sun in a few weeks will be passing directly behind the satellites as it tracks across the sky so the satellite signals will be coming from points slightly lower than where the sun is at the moment, nothing like 67.6 degrees above the horizon. Set your receiver to one of the frequencies I mentioned in an earlier post on Amos 2 at 4west. Point your dish, at about 1/4 past 1pm (BST) at the sun and slowly lower your dish until you get a reading on your receiver. Then do your fine tuning az and el, clamp up bolts. Set your receiver to steer to 30 west and 28 east you should then be on the arc. That is "if" your mounting pole is dead plumb in all directions:D Regards AF [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
dish elevation help
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