Abstract: The GEOPACK library includes 19 FORTRAN ...

4. SUBROUTINE: SUN. FUNCTION: This is a subsidiary subroutine, which is usually called from the subroutine . RECALC. It calculates the orientation of the Earth-Sun line in the geocentric . inertial coordinate system, and the Greenwich mean sidereal time. FORTRAN STATEMENT: CALL SUN (IYEAR,IDAY,IHOUR,MIN,ISEC,GST,SLONG,SRASN,SDEC) ................
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