GMT_OFFSEC Name
             GMT_OFFSEC Purpose
     
       Return offset in seconds from local time to GMT (UT).
Category
Calling Sequence
      
       off = gmt_offsec() Inputs
Keyword Parameters
Outputs
Common Blocks
Notes
      
       Note: Times are rounded to the nearest 1/4 hour.
        
         This should handle any time zone, even fractional ones.
Modification History
      
       R. Sterner, 2 Dec, 1993 
  
 Copyright (C) 1993, Johns Hopkins University/Applied Physics Laboratory
  
 This software may be used, copied, or redistributed as long as it is not
  
 sold and this copyright notice is reproduced on each copy made.  This
  
 routine is provided as is without any express or implied warranties
  
 whatsoever.  Other limitations apply as described in the file disclaimer.txt.