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DISH SETUP: Single sat, Multi-Sat & Motorised
Dish Setup Guides, Information threads and FAQs
Calculation of the focal length of an offset satellite dish antenna, Revisited
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<blockquote data-quote="scottgs" data-source="post: 1151719" data-attributes="member: 419001"><p>A33, </p><p>Thank you for much for the information! Exactly what I was hoping for. I will have to take some time to absorb it all, and I also noticed the discrepancy. To be clear, this is not a flat-faced dish. </p><p></p><p>I would also like to be clear and give you credit for the math. Although I made my own Excel spreadsheet, I did it based on the formulas which you posted here. I did test my spreadsheet with two other offset-feed dishes' geometry, both of which are complete with feed assembly, and it appeared to work perfectly. </p><p></p><p>After I work through these spreadsheets and calcs again, I believe that my next step will be to fabricate a feed assembly and just seem what happens. I'll report back what I find, but it may be a few days. </p><p></p><p>Regardless, thanks again, and big thanks to this forum also. I love seeing this kind of detail, and especially the papers which you presented here. So much to learn!</p><p></p><p>Garret</p><p>W8BUG</p></blockquote><p></p>
[QUOTE="scottgs, post: 1151719, member: 419001"] A33, Thank you for much for the information! Exactly what I was hoping for. I will have to take some time to absorb it all, and I also noticed the discrepancy. To be clear, this is not a flat-faced dish. I would also like to be clear and give you credit for the math. Although I made my own Excel spreadsheet, I did it based on the formulas which you posted here. I did test my spreadsheet with two other offset-feed dishes' geometry, both of which are complete with feed assembly, and it appeared to work perfectly. After I work through these spreadsheets and calcs again, I believe that my next step will be to fabricate a feed assembly and just seem what happens. I'll report back what I find, but it may be a few days. Regardless, thanks again, and big thanks to this forum also. I love seeing this kind of detail, and especially the papers which you presented here. So much to learn! Garret W8BUG [/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
Calculation of the focal length of an offset satellite dish antenna, Revisited
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