TOPATT

                                                                                
                                                                                
----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
TOPATT  2        9606123  960701112233.00000 960702112233.0         90.0        
----+----0----+----0----+----0----+----0----+----0----+----0----+----0----+----0
                                                                                
                                                                                
COLUMNS FORMAT         DESCRIPTION                         DEFAULT VALUE & UNITS
                                                                                
1-6     A6        TOPATT - Requests override of nominal                         
                           TOPEX yaw steering algorithm.                        
                                                                                
9       I1        Yaw steering mode indicator                    0              
                                                                                
                    1 - Sinusoidal yaw                                          
                    2 - Fixed yaw                                               
                    3 - Ramp Up                                                 
                    4 - Ramp Down                                               
                    5 - Geocentric pointing                                     
                                                                                
18-24   I7        Satellite ID (required).                       0              
                                                                                
25-44   D20.3     Start time of yaw steering event.                             
                  YYMMDDHHMMSS.SS                                               
                  [See Note 1]                                                  
                                                                                
45-59   D15.3     Stop time of yaw steering event.                              
                  YYMMDDHHMMSS.SS                                               
                  [See Note 1]                                                  
                                                                                
60-72   D13.1     Satellite fix yaw angle (mode 2)               0  (deg)       
                                                                                
                                                                                
                                                                                
                                                                                
NOTE 1  :   TOPATT cards must be in ascending time order.                       
                                                                                
                                                                                
                                                                                
                                                                                
IF CARD OMMITTED:    TOPEX will follow nominal yaw steering algorithm.

NOV 1994

9411.0

ARC SET - Option Cards



Patrick Dahiroc
1998-09-10