POLE

                                                                                
----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
POLE  0                 780903.             176.           421.         17.0842 
----+----0----+----0----+----0----+----0----+----0----+----0----+----0----+----0
                                                                                
                                                                                
COLUMNS FORMAT         DESCRIPTION                         DEFAULT VALUE & UNITS
                                                                                
1-5     A5     POLE - Modifies polar motion and/or                              
               A.1-UT1 values obtained from the BIH                             
               tables file on unit 2.                                           
                                                                                
7       I1     Indicator of whether X of the pole, Y of                         
               the pole or A.1-UT1 (or any combination of                       
               the 3) are to be replaced by the values on                       
               this card.                                                       
                                                                                
                Col 7   Values to be replaced                                   
                                                                                
                =  0     Xp  Yp   A.1-Ut1                                       
                =  1     Xp                                                     
                =  2         Yp                                                 
                =  3     Xp  Yp                                                 
                =  4              A.1-Ut1                                       
                =  5     Xp       A.1-Ut1                                       
                =  6         Yp   A.1-Ut1                                       
                                                                                
25-44   D20.8  Date of pole/A.1-UT1 value. (YYMMDD.HH)             0.           
               This must correspond exactly with the BIH                        
               date that is being overridden.                                   
                                                                                
45-59   D15.3  Value of X of the pole.                             0.      MAS  
                                                                                
60-72   D13.1  Value of Y of the pole.                             0.      MAS  
                                                                                
73-80   D8.2   Value of A.1-UT1.                                   0.       S   
                                                                                
                                                                                
                                                                                
                                                                                
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 OMITTED:  Values from tables file on UNIT 2 will be used.
JUNE 1991

9106.0

GLOBAL SET



Patrick Dahiroc
1998-09-10