DATA

                                                                                
----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
DATA                                                                            
----+----0----+----0----+----0----+----0----+----0----+----0----+----0----+----0
                                                                                
                                                                                
COLUMNS FORMAT         DESCRIPTION                         DEFAULT VALUE & UNITS
                                                                                
1-4     A4        DATA   - Indicates data reduction mode                        
                  utilizing an input data file on unit 41,                      
                  and introduces the data selection                             
                  subgroup.                                                     
                                                                                
                                                                                
 Note:  GEODYN II asumes orbit generation type of run unless a DATA or          
        SIMDAT card is present in the arc.                                      
                                                                                
                                                                                
                                                                                
                 DATA SELECTION SUBGROUP                                        
                 -------------------------                                      
                                                                                
    The DATA card must be present in any arc which requires a data file.        
                                                                                
    The DATA SELECTION SUBGROUP begins with the DATA card and ends with the     
ENDARC card. The ENDARC card must be the last card in the arc. The DATA         
SELECTION SUBGROUP consists of the following keyword cards:                     
                                                                                
 ENDARC  METDAT  OBSCOR  PREPRO  SELECT/DELETE  SIGMA                           
                                                                                
and must contain at least one SELECT card.                                      
                                                                                
                                                                                
                                                                                
                                                                                
 IF CARD OMITTED: Program will operate in orbit generation mode

DEC 1992

9212.0

ARC SET - Option Cards

DATA SUBGROUP



Patrick Dahiroc
1998-09-10