Re: TLE based on Az-El data

From: Daniel Deak (dan.deak@sympatico.ca)
Date: Mon Aug 09 2004 - 22:54:40 EDT

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    Hi Ted and Tony,
    
    Thanks a lot for your interesting answers.
    
    I was looking to build something very accurate. I've been a tool, mold and die 
    maker for 13 years before being a teacher and I still have access to all kinds 
    of machine-tools. I got information about Heidenhain high precision rotary 
    encoder and PC interface cards. They make encoders for professional 
    observatories. I was to make a permanent setup in my backyard with a concrete 
    base resting on the underground bedrock (about 6 feet deep here).
    
    The advantage of Az-El coordinates is that once adjusted, if the mount is 
    steady, it doesn't have to be synchronized to the stars like the equatorial 
    coordinates. I wouldn't need reference stars, so measurements in twilight would 
    be easier as long as the satellite is visible.
    
    This is a long term project because I don't have much time these days. But I 
    really intend to do it and wanted your advice before going too far.
    
    Thanks again.
    
    Dan
    
    
    
    -- 
    Daniel Deak
    representant, projet spatial Starshine
    L'Avenir, Quebec
    
    COSPAR site 1747 : 45.7275N, 72.3526W, 191 m., UTC-4:00
    
    Site en francais sur les satellites:
    French-language satellite web site : http://www.obsat.com
    
    
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