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Pages: 1

Prodelin dish alignment help

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Ex Member
Ex Member

Mar 6th, 2007 at 12:48pm  
hello for all
I have forget my inclinometer and i need to log on eutelsat w3a.My position is lat. N is 18.26 and long E is 1.24.whit that a have AZ=162.154 ,EL=67.57.My dish is a prodelin 2.4 offset 22.6.My mater is what i haven t an inclinometer,if someone can help me please
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« Last Edit: Mar 6th, 2007 at 3:23pm by Admin1 »  
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Eric Johnston
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Reply #1 - Mar 6th, 2007 at 2:12pm  
On a Prodelin dish, the lower rear part of the spine is at right angles to the beam direction.


Cut this out, add length of cotton thread and a small nut and tilt till the nut is on the line.  Put the cotton through a pinhole and secure with sticky tape on the back.

You can make cardboard inclinometers like this any time and they are very accurate.  If you don't have a protractor, go to start, all programs, accessories,  calculator, scientific mode and then do  tan of the angle. ( tan = opposite over adjacent ) so just measure the distances out.   An alternative is dangling a long string (say 1 to 3m long) and then measuring sideways distances at the top of bottom to the metal or dish.

Best regards, Eric.
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Ex Member
Ex Member

Reply #2 - Mar 14th, 2007 at 1:51pm  
Hello for all
Eric thank you for your help.
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