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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Polar Mount Setting Declination Angle
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<blockquote data-quote="ArloG" data-source="post: 1165314" data-attributes="member: 418555"><p>Start with the red line. This is your elevation, or latitude. Set it correctly. Lock it down.</p><p></p><p>Move the dish with the actuator so that it arcs in the sky as high as it will go. Look at my diagrams above.</p><p>The motor will unbolt from the actuator tube and you can then turn the shaft with vice grip pliers, screwdriver. Count the turns so that you can return it to the same point before the motor was removed.</p><p></p><p>The bottom of the square dish mount frame will be level. That proves your dish is highest in the arc.</p><p>And the dish can then be turned on the pole so that it is aimed true South. Remember. Not magnetic South.</p><p></p><p>The red and green lines must be parallel, the same angle.</p><p>Assuming the dish mount was built with the dish look angle in the design. Adjust the top bolt so that the dish lowers the specified declination degrees. Lock it down.</p><p></p><p>The blue line will then be equal to the elevation (latitude) angle + dish look angle of 22.5 degrees + the declination angle.</p><p></p><p>The intention then is to find the satellite closest to true South. You may not have a satellite at 180 degrees true South. Not magnetic South.</p><p>If at zenith the dish is aimed true South. Without rotating the entire mount on the pole. You should be able to tune your receiver to the closest satellite that is closest to true South.</p><p>And then manually turn the actuator screw to point the dish in that direction. Do try to keep track of the turns so you can return it.</p><p>Or we will end up in a tutorial of how to set the limit switches.</p><p></p><p>When you think you are close to your target satellite but cannot quite seem to snag it. Slight E-W movements of the dish and pushing down or pulling up slightly on the bottom of the dish rim will help relate to the arc diagram I added above.</p><p></p><p><em>I do not know what is with Dishpointer. A glitch? If you scroll down the satellite list to True North/South. The locator line should point true South and the dish setup data should show. With a Google Earth interface with aiming landmarks. This morning it did not. The UK site is too fancy-schmancy.</em></p></blockquote><p></p>
[QUOTE="ArloG, post: 1165314, member: 418555"] Start with the red line. This is your elevation, or latitude. Set it correctly. Lock it down. Move the dish with the actuator so that it arcs in the sky as high as it will go. Look at my diagrams above. The motor will unbolt from the actuator tube and you can then turn the shaft with vice grip pliers, screwdriver. Count the turns so that you can return it to the same point before the motor was removed. The bottom of the square dish mount frame will be level. That proves your dish is highest in the arc. And the dish can then be turned on the pole so that it is aimed true South. Remember. Not magnetic South. The red and green lines must be parallel, the same angle. Assuming the dish mount was built with the dish look angle in the design. Adjust the top bolt so that the dish lowers the specified declination degrees. Lock it down. The blue line will then be equal to the elevation (latitude) angle + dish look angle of 22.5 degrees + the declination angle. The intention then is to find the satellite closest to true South. You may not have a satellite at 180 degrees true South. Not magnetic South. If at zenith the dish is aimed true South. Without rotating the entire mount on the pole. You should be able to tune your receiver to the closest satellite that is closest to true South. And then manually turn the actuator screw to point the dish in that direction. Do try to keep track of the turns so you can return it. Or we will end up in a tutorial of how to set the limit switches. When you think you are close to your target satellite but cannot quite seem to snag it. Slight E-W movements of the dish and pushing down or pulling up slightly on the bottom of the dish rim will help relate to the arc diagram I added above. [I]I do not know what is with Dishpointer. A glitch? If you scroll down the satellite list to True North/South. The locator line should point true South and the dish setup data should show. With a Google Earth interface with aiming landmarks. This morning it did not. The UK site is too fancy-schmancy.[/I] [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Polar Mount Setting Declination Angle
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