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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Dish Setup Guides, Information threads and FAQs
Antenna's focal point - "le point G"
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<blockquote data-quote="a33" data-source="post: 953801" data-attributes="member: 332642"><p>Indeed, it took some time <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /></p><p>But there is google and google translate, that helps!</p><p>See <a href="http://www.forum.alyno.ru/phpBB2/viewtopic.php?p=51961&sid=8ace2604b21809483c86df107ccf1433" target="_blank">Советы бывалого "чайника" :: Просмотр темы - настройка оффсетной антенны - по умному Strive - DishChar</a></p><p>and the links in that thread. (There is also another link to download the program.)</p><p></p><p>In the DishChar program you should give estimated focal distance of original PF-dish (e.g. distance from bottom dish to LNB-holder), estimated offset angle, and measured hight of the dish.</p><p>You then can check the given parabola with measured points of your own dish.</p><p></p><p>The measurements of the dish surface make a triangle each time: from bottom of dish, to (measured) point on the dish, to top of the dish. So it's like this:</p><p>-straight line of 100 mm from bottom of dish to a point further up the dish (exactly 100 mm further!)</p><p>-measurement of straight line from that last point to top of dish</p><p>-line from top of dish to bottom of dish (this is of course unvariable: the HEIGHT of the dish, and filled in earlier)</p><p>And then the same for distance 200mm, 300mm, 400mm, etc.</p><p></p><p>NB: this way the x-hundred mm <u>plus</u> the measured extra lenght should always be bigger than the hight! The highest value should be somewhere near the deepest point of the dish.</p><p>The measured points are given with red dots, with which you can check if you have a fit, or should change focal distance or offset angle in your estimation.</p><p></p><p>The strange cyrillic/russion characters in the menu options are mostly options for the view, not for dish-characteristics. So one doesn't have to bother about those...</p><p></p><p>Neat little program! Thank you Rimantss! (By the way, do you understand russian or all that is given in these programs, yourself?)</p><p></p><p>BTW2: What is dust tape? I searched with google, they only know duct tape....? Or is it a pun?</p><p></p><p>Greetz,</p><p>A33</p></blockquote><p></p>
[QUOTE="a33, post: 953801, member: 332642"] Indeed, it took some time :) But there is google and google translate, that helps! See [URL='http://www.forum.alyno.ru/phpBB2/viewtopic.php?p=51961&sid=8ace2604b21809483c86df107ccf1433']Советы бывалого "чайника" :: Просмотр темы - настройка оффсетной антенны - по умному Strive - DishChar[/URL] and the links in that thread. (There is also another link to download the program.) In the DishChar program you should give estimated focal distance of original PF-dish (e.g. distance from bottom dish to LNB-holder), estimated offset angle, and measured hight of the dish. You then can check the given parabola with measured points of your own dish. The measurements of the dish surface make a triangle each time: from bottom of dish, to (measured) point on the dish, to top of the dish. So it's like this: -straight line of 100 mm from bottom of dish to a point further up the dish (exactly 100 mm further!) -measurement of straight line from that last point to top of dish -line from top of dish to bottom of dish (this is of course unvariable: the HEIGHT of the dish, and filled in earlier) And then the same for distance 200mm, 300mm, 400mm, etc. NB: this way the x-hundred mm [U]plus[/U] the measured extra lenght should always be bigger than the hight! The highest value should be somewhere near the deepest point of the dish. The measured points are given with red dots, with which you can check if you have a fit, or should change focal distance or offset angle in your estimation. The strange cyrillic/russion characters in the menu options are mostly options for the view, not for dish-characteristics. So one doesn't have to bother about those... Neat little program! Thank you Rimantss! (By the way, do you understand russian or all that is given in these programs, yourself?) BTW2: What is dust tape? I searched with google, they only know duct tape....? Or is it a pun? Greetz, A33 [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Dish Setup Guides, Information threads and FAQs
Antenna's focal point - "le point G"
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