VLIGHT

                                                                                
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VLIGHT                                      299792500.                          
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COLUMNS FORMAT         DESCRIPTION                         DEFAULT VALUE & UNITS
                                                                                
1-6     A6     VLIGHT - Modifies and/or requests                                
               adjustment of speed of light.                                    
                                                                                
25-44   D20.8  Current best value of speed of                 299792458.   M/S  
               light.[NOTE 1] If = 0, value will                                
               default to a priori speed of light.                              
                                                                                
45-59   D15.3  A priori value of speed of light.              299792458.   M/S  
               [NOTE 1]                                                         
                                                                                
60-72   D13.6  Standard deviation of speed of light.             0.        M/S  
               If greater than zero speed light will                            
               be adjusted.                                                     
                                                                                
                                                                                
NOTES:                                                                          
                                                                                
 [1]   Speed of light values will be checked for reasonableness                 
       and will be ignored if different from default value by more              
       than 1 part per million.                                                 
                                                                                
                                                                                
                                                                                
                                                                                
UNITS:  KM =Kilometers; M  =Meters    ; S  =Seconds    ; M/S=Meters per second  
        DEG=Degrees   ; RAD=Radians   ; AS =Arc seconds; MAS=Milli-arc seconds  
                                                                                
                                                                                
IF CARD IS OMITTED:  Default value will be used.
JAN 1991

9101.0

GLOBAL SET



Patrick Dahiroc
1998-09-10