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DISH SETUP: Single sat, Multi-Sat & Motorised
Turksat 42 deg in SW London prob.
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<blockquote data-quote="somebodyelse" data-source="post: 514636" data-attributes="member: 286131"><p>Hello again. Have spent two days playing with antenna, and decided that I had cracked the problem. This may be a bit tedious in explanation, but I'd like to try and make sure I've covered everything.</p><p>The dish is a 90cm 'no-name', the motor is a DiSEqC Geo-track H120, and I'm in SW London, lat 51.384, and the mounting pole is as vertical as I can get it </p><p></p><p>The Motor handbook specifies for latitude 51 Elevation angle of 39 degrees and declination angle of 7.385 degrees.</p><p></p><p>The motor is set for 39 degrees, and according to the motor handbook, the declination should be (40 degrees minus declination angle of 7.385), thus dish declination should be set to 32.615. This is where it all starts to misfire.</p><p></p><p>All the photos of dishes I've seen, they hang from a top bolt, and there is a curving scale lower down with a second bolt. Push the dish back and forward to get the setting you need (32.615 deg?) and then carry on setup.</p><p></p><p>My dish is different: it pivots on the lower bolt and the curved scale is above it. For that reason, I suspected I'd got part of the assembly upside down, but I'm sure its right.</p><p></p><p>Remember earlier I had a few satellites resolved? Well, the dish was "vertical-ish" to get those, and now, with a dialled-up angle of 32.615 the LNB was pointing much higher. So, set the antenna to look due south, connected meter and then adjusted the angle of the dish. With it at about 7 degrees declination, I tuned in Thor. Peaked up the dish angle, went east and west and got the best signal.</p><p></p><p>Following that, spent some time playing with the 0degrees setting of the motor. Kept adjusting the base 0 degrees setting, so that now, if I go to the zero DiSEqC point, then Thor is just a touch to the right of that.</p><p>For that reason, I am fairly confident that:-</p><p>Zero degrees is accurate</p><p>The dish elevation of 39 degrees is accurate</p><p></p><p>Unfortunately, searching satellites, the only other one I can find as well as Thor is Astra2.</p><p></p><p>I suspect my problems stem from not knowing the correct angle the dish should be set to and hope that any of you that recognise the type of dish as shown in the attached photo, can give me an idea of proper settings. FYI the dish is this one _http://www.bc-sat.com/pdishs3x.html </p><p></p><p>Comments very much appreciated.</p></blockquote><p></p>
[QUOTE="somebodyelse, post: 514636, member: 286131"] Hello again. Have spent two days playing with antenna, and decided that I had cracked the problem. This may be a bit tedious in explanation, but I'd like to try and make sure I've covered everything. The dish is a 90cm 'no-name', the motor is a DiSEqC Geo-track H120, and I'm in SW London, lat 51.384, and the mounting pole is as vertical as I can get it The Motor handbook specifies for latitude 51 Elevation angle of 39 degrees and declination angle of 7.385 degrees. The motor is set for 39 degrees, and according to the motor handbook, the declination should be (40 degrees minus declination angle of 7.385), thus dish declination should be set to 32.615. This is where it all starts to misfire. All the photos of dishes I've seen, they hang from a top bolt, and there is a curving scale lower down with a second bolt. Push the dish back and forward to get the setting you need (32.615 deg?) and then carry on setup. My dish is different: it pivots on the lower bolt and the curved scale is above it. For that reason, I suspected I'd got part of the assembly upside down, but I'm sure its right. Remember earlier I had a few satellites resolved? Well, the dish was "vertical-ish" to get those, and now, with a dialled-up angle of 32.615 the LNB was pointing much higher. So, set the antenna to look due south, connected meter and then adjusted the angle of the dish. With it at about 7 degrees declination, I tuned in Thor. Peaked up the dish angle, went east and west and got the best signal. Following that, spent some time playing with the 0degrees setting of the motor. Kept adjusting the base 0 degrees setting, so that now, if I go to the zero DiSEqC point, then Thor is just a touch to the right of that. For that reason, I am fairly confident that:- Zero degrees is accurate The dish elevation of 39 degrees is accurate Unfortunately, searching satellites, the only other one I can find as well as Thor is Astra2. I suspect my problems stem from not knowing the correct angle the dish should be set to and hope that any of you that recognise the type of dish as shown in the attached photo, can give me an idea of proper settings. FYI the dish is this one _http://www.bc-sat.com/pdishs3x.html Comments very much appreciated. [/QUOTE]
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DISH SETUP: Single sat, Multi-Sat & Motorised
Turksat 42 deg in SW London prob.
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