ETIDES

----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
ETIDES         +1101 010 -0.033             0.0            10.          10.     
----+----0----+----0----+----0----+----0----+----0----+----0----+----0----+----0
                                                                                
                                                                                
COLUMNS FORMAT         DESCRIPTION                         DEFAULT VALUE & UNITS
                                                                                
1-6     A6     ETIDES - Requests application and/or                             
               adjustment of earth tides using the                              
               Colombo tide model and unnormalized                              
               Legendre polynomials.  M  and  K                                 
               symmetry is NOT included.                                        
                                                                                
9       I1     Indicates form of input coefficients.              0             
                                                                                
                0  =  A and B coefficients. [NOTE 1]                            
                                                                                
10      I1     Indicates form of input sigmas.                    0             
                                                                                
                0  =  A and B coefficients [NOTE 1]                             
                                                                                
15-17   I3     Sign (+1 or -1) of the Demos Number [NOTE 2]      +1             
                
	-((2 -H) *  + (2 - 2H + J) * M + K * Omega

This sign multiplies the quantity

18-20   I3     MKH expansion arguments of the                     0             
               Demos number. [NOTE 2]                                           
                     M = 0,1,2                                                  
                     K = 0,1,2                                                  
                     H = 0,1,2                                                  
                                                                                
21-22   I2     "J" expansion argument of Demos number.            0             
                 -9. LE. J .LE. 9 [NOTE 2]                                      
                                                                                
23      I1     Indicates form of tidal amplitude                                
               coefficient [ V (t) / V bar ]  [NOTE 3]            0             
                              f       f                                         
                                                                                
                0 = only main line, fixed coefficient                           
                1 = main line and sidebands, variable                           
                    coefficient

MAR 0003

0003.0

GLOBAL SET

ETIDES (cont)

                                                                                
COLUMNS FORMAT         DESCRIPTION                         DEFAULT VALUE & UNITS
                                                                                
               2 = only main line, variable coefficient                        

24      I1     Disturbing Body (B). [NOTE 2]                      0             
                                                                                
                0 = Moon and Sun                                                
                1 = Moon                                                        
                2 = Sun                                                         
                                                                                
25-44   D20.8  "A" coefficient. [NOTE 1]                          0.       M    
                                                                                
45-59   D15.3  "B" coefficient. [NOTE 1]                         0.        M    
                                                                                
60-72   D13.1  Sigma "A".                                        0.        M    
                                                                                
73-80   D8.2   Sigma "B".                                        0.        M    
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
_______________________________________________________________________         
                                                                                
NOTES:                                                                          
                                                                                
 [1]    The "A" and "B" coefficients are related to amplitude and phase         
        by the following formulas:                                              
                                                                                
            A =  K2 Love Number * cos(phase)                                    
            B = -K2 Love Number * sin(phase)                                    
                                                                                
                                                                                
 [2]    The "Demos Number" is given by:                                         
                                                                                
              Demos Number = IDSIGN*(MKH*1000+(J+10)*10+B)

MAR 0003

0003.0

GLOBAL SET

ETIDES (cont)

                                                                                
NOTES:  (cont)                                                                  
                                                                                
 [3]    There are 4 recognized main tidal lines and 16                          
        associated sidebands.  Their Demos numbers are:                         
                                                                                
                   SMKH  JB (See last page for S M K H J B definitions)         
                                                                                
Main Line 1:       1120  01                                                     
Side Bands:       -1112  01,   1100  01,    1110  01,  -1111 -21,               
                   1101  21,   1111  21,    1121  21                            
                                                                                
Main Line 2:       1120  02                                                     
Side Bands:        1101  22                                                     
                                                                                
Main Line 3:       1220  01                                                     
Side Bands:        1201  21,   1210  01,    1211  21,   1200  01,               
                  -1212  01,  -1211 -21,    1221  21                            
                                                                                
Main Line 4:       1220  02                                                     
Side Bands:        1201  22                                                     
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
UNITS:  KM =Kilometers; M  =Meters    ; S  =Seconds    ; Kg =Kilograms          
        DEG=Degrees   ; RAD=Radians   ; AS =Arc seconds; MAS=Milli-arc seconds  
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
IF CARD OMITTED: The expanded earth tide model is not used. See TIDES card for  
                 tide model that will be used.



Shelley Rowton
Mon Mar 20 15:32:00 EST 2000