GetHSA

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   Gets HSA attitude data
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   Form:
   GetHSA( w, rA, dec, el, jD0, dT, nPts, database )
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   Inputs
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   w               (3,1)  Body rate
   rA              (1,1)  Right ascension (rad)
   dec             (1,1)  Declination (rad)
   el              (1,6)  Keplerian Elements [a,i,W,w,e,M]
   jD0             (1,1)  Initial Julian date
   dT              (1,1)  Time between samples (sec)
   nPts            (1,1)  How many samples
   database        (1,:)  Spacecraft properties database

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   Outputs
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   None              

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