Re: Some Comments

From: Ed Cannon (ecannon@mail.utexas.edu)
Date: Sun Apr 07 2002 - 21:48:35 EDT

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    Russ wrote:
    
    >I also saw my first geo sat - Galaxy 11.  According 
    >to the RCS values published by OIG, it's RCS is 660+.  
    >There's nothing else that has a value that big.  Is 
    >there a specific reason for it?
    
    I think that OIG's RCS values for geostationary and
    similar satellites may not be very reliable.  I think 
    that the span of solar panels, if available, is more 
    reliable.  The span of Galaxy 11 (or "XI") is 33.83 
    meters (111 feet).
    
     http://spaceflightnow.com/news/0002/24hs702arrays/
    
    Galaxy 11 and at least four other satellites (XM-1, 
    XM-2, Anik F1, and PAS 1R) are the same model:
    
    http://www.skyrocket.de/space/doc_sat/hs-702.htm
    
    (I can't get the information direct from Boeing.com or 
    www.hsc.com right now.)
    
    Ed Cannon - ecannon@mail.utexas.edu - Austin, Texas, USA
    
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