A GUIDE TO GEODYN II INPUT CARDS

                                                                      
                                                                                
SUBJECT      CARD     DESCRIPTION                                  TYPE         
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ADJUSTMENT   CORREL : Correlation between station cooordinates    STAPOS        
CONTROL      FIXED  : Specify fixed stations                      STAPOS        
            ADJUSTED: Adjusted stations/ Sigma for stations       STAPOS        
            CONSTADJ/                                             STAPOS        
            CONSTEND: Constrained stations control                STAPOS        
             NORMPV : Normal point orbit adjustment control         ARC         
                      and a-priori variance input.                              
             VARCOV : A-priori var/covar matrix for the             ARC         
                      satellite elements.                                       
             SIGMA  : Observation correction editing sigma         DATA         
                                                                                
ALBEDO       ALBEDO : Application of Earth radiation pressure       ARC         
                                                                                
ALTIMETRY    ALTIM  : Altimetry related input.                    COMMON        
             SSCOEF : Spherical harmonics coefficients for        COMMON        
                      static sea surface topography model.                      
             SSTOPO : Max degree and order for static sea         COMMON        
                      surface topography model.                                 
             OLOAD  : Ocean loading using the expanded tide       COMMON        
                      model.                                                    
                                                                                
ANTENNA /    DELAY  : Transponder delay                           COMMON        
INSTRUMENT   OFFSET : Antenna offset/laser reflector offset       COMMON        
            INSTRMNT: Parameters for tracking instrument          STAPOS        
                                                                                
ATMOSPHERIC  DRAG   : Drag application / estimation of drag         ARC         
EFFECT                coefficient.                                              
             ATMDEN : Atmospheric density model.                  COMMON        
             FLUX   : Modify flux values.                         COMMON        
             REFRAC : Tropospheric model.                         COMMON        
             THRDRG : Thermal Drag model (Lageos)                   ARC         
                                                                                
BIASES       EBIAS  : Pass by pass measurement biases               ARC         
             MBIAS  : Measurement biases -  Station                 ARC         
                      timing biases.                                            
             PBIAS  : Pass by pass measurement or timing            ARC         
                      biases.                                                   
             OBSCOR : Constant bias applied as observation          ARC         
                      correction.                                               
                                                                                
CONSTANTS    VLIGHT : Speed of light                              COMMON        
                                                                                
COMPUTER     CYBG2E : GEODYN IIE on CYBER (default).              COMMON        
SELECTION    IBMG2E : GEODYN IIE on IBM.                          COMMON

                                                                      
                                                                                
                                                                                
SUBJECT      CARD     DESCRIPTION                                  TYPE         
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DATA         SELECT : Data times/satellite/station/mtypes          DATA         
SELECTION    DELETE : Data times/satellite/station/mtypes          DATA         
             METDAT : Override met.data information                DATA         
             OBSCOR : Constant bias observation correction         DATA         
             PREPRO : Data preprocessing.                          DATA         
             SIGMA  : Observation weighting and editing sigma.     DATA         
                                                                                
GENERAL      REL300 : Relativistic corrections                      ARC         
RELATIVITY                                                                      
                                                                                
GENERAL      ACCEL  : Application/adjustment of general             ARC         
ACCELERATION          acceleration.                                             
             ACCELT : Application/adjustment of general             ARC         
                      acceleration in 3 dimensions.                             
             ACCEL9 :                                               ARC         
                                                                                
GEOPOTENTIAL EARTH  : Modifies the Earth's gravitational          COMMON        
                      potential/Earth's constants.                              
            GEODETIC: Overrides the Earth's parameters for        STAPOS        
                      certain stations                                          
             GCOEF  : Modification/estimation of the              COMMON        
                      coefficients in the Geopotential model                    
             GCOEFS : Modification/estimation of C coeff.         COMMON        
             GCOEFC : Modification/estimation of S coeff.         COMMON        
             GEOPOL : Application of polar motion to the          COMMON        
                      Earth's gravitational potential.                          
             GRVEPO : Time depended gravity time intervals.       COMMON        
             GRVTIM : Estimation of time dependent gravity        COMMON        
                      coefficients.                                             
             GXPAND : Estimation of a range of geopotential       COMMON        
                      coefficients.                                             
             PLANET : Third body gravitational potential.         COMMON        
             TOLS   : Maximum degree of geopotential for          COMMON        
                      variational equations.                                    
                                                                                
INTEGRATION  REFSYS : Specification of coordinate system            ARC         
INFORMATION           for integration.                                          
             EPOCH  : Specification of times for integration        ARC         
             SLAVE  : Sets of satellites/times for                  ARC         
                      integration                                               
             STEP   : Changes integration order and stepsize        ARC         
                                                                                
INTER -      TRKBDY : Defines tracking body                       COMMON        
PLANETARY    PLANET : Third body gravitational potential          COMMON        
            EXTRAGEO: Planetary shape parameters for planetary    STAPOS        
                      stations.                                                 
                                                                                
NORMAL       NORMPT : Computation and output of normal points       ARC         
POINTS       NORMPV : Normal point orbit adjustment control         ARC

                                                                      
                                                                                
                                                                                
SUBJECT      CARD     DESCRIPTION                                  TYPE         
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OUTPUT       NOLIST : Interrupts GIIS input listings                ARC         
CONTROL      LIST   : Negates effect of NOLIST                      ARC         
             OBSVU  : Controls residual printout for all arcs,      ARC         
                      preprocessing correction output and                       
                      measurement partials output                               
             PARFIL : Output partial derivative files               ARC         
             PLATIM : Station coordinate printout at                ARC         
                      requested times. (Plate tectonics                         
                      option , see PLATE)                                       
             PRINTVU: Controls output of GIIS and GIIE on           ARC         
                      UNIT06.                                                   
             PUNCH  : Requests punched output                                   
             TERMVU : Output on UNIT09 (80 characters/line)         ARC         
             EMATRX : Output E matrix/V matrix                      ARC         
             ORBFIL : Output trajectory file on specific            ARC         
                      units                                                     
             ORBTVU : Trajectory output on UNIT06                   ARC         
             RESIDU : Residual file output on UNIT19                ARC         
             NORMPT : Computation and output of normal points       ARC         
                                                                                
PLATE        PLATE  : Tectonic plate motion.                      COMMON        
TECTONICS    PLATIM : Reference date for station coordinates      COMMON        
                      for tectonic plate motion.                                
                                                                                
POLAR MOTION POLE   : Modifies polar motion and A1-UT1            COMMON        
                      values.                                                   
             POLDYN : Dynamic polar motion.                       COMMON        
             POLKF  : Figure axis for dynamic polar motion.       COMMON        
             POLEUT : Modification/adjustment of true pole        COMMON        
                      coordinates and A1-UT1 time differences                   
                                                                                
STATISTICAL  EDIT   : Editing multiplier/initial RMS.               ARC         
CONTROL      SIGMA  : Observation correction editing sigma         DATA         
                                                                                
SIMULATIONS  SIMDAT : SIMULATED DATA SUBGROUP                       ARC         
                                                                                
SOFTWARE     VECOPT : Vector optimization, core allocation        COMMON        
OPTIMIZATION          control.                                                  
                                                                                
SOLAR        SOLRAD : Application/adjustment of solar               ARC         
RADIATION             radiation pressure.                                       
                                                                                
SPACECRAFT   SATPAR : Spacecraft related parameters                 ARC         
RELATED      SLAVE  : Sets of satellites/times for                  ARC         
PARAMETERS            integration                                               
             ELEMS1 : Initial state vector (first 3                 ARC         
                      components).                                              
             ELEMS2 : Initial state vector (last 3                  ARC         
                      components).                                              
             VARCOV : A-priori variance-covariance for              ARC         
                      satellite elements

                                                                      
                                                                                
SUBJECT      CARD     DESCRIPTION                                  TYPE         
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SPEED OF     VLIGHT : Speed of light                              COMMON        
LIGHT                                                                           
                                                                                
STATIONS     STAPOS : STAPOS SUBGROUP                             COMMON        
INFORMATION  STATION COORDINATE CARD: Coordinates for stations    STAPOS        
ADJUSTMENT   CORREL : Correlation between station cooordinates    STAPOS        
CONTROL      FIXED  : Specify fixed stations                      STAPOS        
            ADJUSTED: Adjusted stations/ Sigma for stations       STAPOS        
ADJUSTMENT  CONSTADJ/                                             STAPOS        
CONTROL     CONSTEND: Constrained stations control                STAPOS        
            INSTRMNT: Parameters for tracking instrument          STAPOS        
            GEODETIC: Overrides the Earth's parameters for        STAPOS        
                      certain stations                                          
                                                                                
TIDE         ETIDEN : Colombo Earth tide model using              COMMON        
MODELING              normalized Legendre polynomials.                          
             ETIDES : Colombo Earth tide model using              COMMON        
                      unnormalized Legengre polynomials.                        
             H2LOVE : Modification/adjustment of solid Earth      COMMON        
                      tide coefficient of the 2nd kind.                         
             L2LOVE : Modification/adjustment of solid Earth      COMMON        
                      tide coefficient of the 3rd kind.                         
             TIDES  : Modifies Earth tide perturbations.          COMMON        
             OLOAD  : Applies ocean loading using the expanded    COMMON        
                      poletide model.                                           
             OTIDEN : Ocean tides using the Colombo model         COMMON        
                      with normalized Legendre polynomials.                     
             OTIDES : Ocean tides using the Colombo model         COMMON        
                      with unnormalized Legendre polynomials.                   
                                                                                
VARIANCE/   ADJUSTED: Adjusted stations/ Sigma for stations       STAPOS        
COVARIANCE                                                                      
             NORMPV : Normal point orbit adjustment control         ARC         
                      and a-priori variance input.                              
             VARCOV : A-priori var/covar matrix for the             ARC         
                      satellite elements.                                       
             SIGMA  : Observation correction editing sigma         DATA


Patrick Dahiroc
1998-09-10