IRAP modifs in geopack.f
C IRAP T96_01 is defined as EXNAME (en DUR!!!)
      CALL T96_01 (IOPT,PARMOD,PSI,X,Y,Z,BXGSW,BYGSW,BZGSW)
C IRAP IGRF is defined as INNAME (en DUR!!!)
      CALL IGRF_GSW_08 (X,Y,Z,HXGSW,HYGSW,HZGSW)INNAME