[amsat-bb] Re: rotor replacement pots

Fred A Parker fparker at paulbunyan.net
Fri Sep 19 09:49:50 PDT 2008

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A digital encoder would be the most accurate.   USdigital http://www.usdigital.com/support/glossary#glossary_opticalencoder manufactures  inexpensive encoders.   With these and  a step servo drive in example a Gecko drive http://www.geckodrive.com/product.aspx?c=2&i=14456 one could build a rotor that would be accurate to a thousand of a degree.

Fred KF0AK

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