include file: TYPWVGD 14
C*    *COMMON* *GRIDPAR*  GENERAL GRID INFORMATION.                        TYPWVGD.2      
C                                                                          TYPWVGD.3      
      real DELPHI  ! grid increment for latitude (in metres)               TYPWVGD.4      
      real DELLAM  ! grid increment for long. at equator (in metres)       TYPWVGD.5      
      real SINPH(NGY), COSPH(NGY) ! sin / cos of latitude                  TYPWVGD.6      
                                                                           TYPWVGD.7      
      integer IGL   ! number of blocks                                     TYPWVGD.8      
      integer IJS(NBLO)  ! index of first point of second lat              TYPWVGD.9      
      integer IJL2(NBLO) ! index of last  point of second lat              TYPWVGD.10     
      integer IJLS(NBLO) ! index of first point of lat before last         TYPWVGD.11     
      integer IJL(NBLO)  ! index of last  point of lat before last         TYPWVGD.12     
      integer IJLT(NBLO) ! total number of gridpoints in a block           TYPWVGD.13     
C                                                                          TYPWVGD.14