/* This is an ascii table which contains magnetic field modeling as a function /* of spacecraft position. The first three columns are radial distance /* Theta and Phi . The next three columns are the Magnetic Field /* Component , Estimate of the Error , and the Component /* number <1=X, 2=Y, 3=Z, 4=Magnitude>. These data can be read using the /* following Fortran code fragment: /* OPEN (UNIT = LU, FILE = 'INTERNAL.TAB', STATUS = 'OLD') /* READ (LU, 999) R, THETA, PHI, B ERROR, ICOMP /* 999 FORMAT ('1X, 5F12.3, I6') /* OBJECT = COLUMN NAME = "R" COLUMN_NUMBER = 1 UNIT = "Rn (Rn = 24,765km)" DATA_TYPE = "REAL" FORMAT = '1X, F12.3' START_BYTE = 2 BYTES = 12 DESCRIPTION = " Spacecraft position vector radial component in units of Rn where 1 Rn = 24,765km." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "Theta" COLUMN_NUMBER = 2 UNIT = "RADIANS" DATA_TYPE = "REAL" FORMAT = 'F12.3' START_BYTE = 14 BYTES = 12 DESCRIPTION = " Theta component of spacecraft in radians." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "PHI" COLUMN_NUMBER = 3 UNIT = "RADIANS" DATA_TYPE = "REAL" FORMAT = 'F12.3' START_BYTE = 26 BYTES = 12 DESCRIPTION = " Phi component of spacecraft in radians." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "B_COMP" COLUMN_NUMBER = 4 UNIT = "NANOTESLA" DATA_TYPE = "REAL" FORMAT = 'F12.3' START_BYTE = 38 BYTES = 12 DESCRIPTION = " Value of the component of the magnetic field according to the type column." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "SIGMA" COLUMN_NUMBER = 5 UNIT = "NANOTESLA" DATA_TYPE = "REAL" FORMAT = 'F12.3' START_BYTE = 50 BYTES = 12 DESCRIPTION = " Estimated standard deviation of the observation in units on nT." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "TYPE " COLUMN_NUMBER = 6 UNIT = "NONE" DATA_TYPE = "INTEGER" FORMAT = I6 START_BYTE = 62 BYTES = 6 DESCRIPTION = " Magnetic field component type: 1 = Radial component 2 = Theta component 3 = Phi component 4 = Magnitude of the magnetic field." END_OBJECT = COLUMN