SUBROUTINE OBSSQRT 1,2
#if defined (DOC)
*
*s/r OBSSQRT -CALCULATE SQRT OF OBS ERROR CORRELATION MATRIX
*
*Author  : M. BUEHNER *CMC/AES  Feb 2000
*Revision:
*
*Arguments
*     none
*
#endif
C
      IMPLICIT NONE
*implicits
#include "comlun.cdk"
#include "comcst.cdk"
#include "pardim.cdk"
#include "comdim.cdk"
#include "comgem.cdk"
#include "comnumbr.cdk"
#include "comstato.cdk"
#include "comstato2.cdk"
*
C
      INTEGER IJ,JI,J,JTYP
      INTEGER JBAND
      REAL*8 ZVCOR(JPRLEV,JPRLEV),UVCOR(JPRLEV,JPRLEV),
     +       ESVCOR(JPRLEV,JPRLEV)
      REAL*8 DZCOR(JPSALEV,JPSALEV)
      REAL*8 HUCOR(JPHLEV ,JPHLEV)
C
C     ---------------------
C     SATEM Correlations
C
      DO JTYP =1,JPNTYP
C
        DO J = 1, JPSALEV
          DO JI=1,JPSALEV
            DZCOR(JI,J)=DZOBSCOR(JI,J,JTYP)
          END DO
        END DO
C
        CALL MATSQRT(DZCOR ,JPSALEV,1.0d0)
C
        DO J = 1, JPSALEV
          DO JI=1,JPSALEV
            DZOBSCOR2(JI,J,JTYP)=DZCOR(JI,J)
          END DO
        END DO
C
        WRITE(*,*)" correlation matrix for satems"
        WRITE(*,*)" ------------------------------------------------"
        WRITE(*,1244)((DZOBSCOR(JI,J,JTYP),JI=1,JPSALEV),J=1,JPSALEV)
        WRITE(*,1244)((DZOBSCOR2(JI,J,JTYP),JI=1,JPSALEV),J=1,JPSALEV)
        WRITE(*,*)" ------------------------------------------------"
C
      END DO
C
C     ---------------------
C     HUMSAT Correlations
C
      DO J = 1, JPHLEV
        DO JI=1,JPHLEV
          HUCOR(JI,J)=HUOBSCOR(JI,J)
        END DO
      END DO
C
      CALL MATSQRT(HUCOR ,JPHLEV,1.0d0)
C
      DO J = 1, JPHLEV
        DO JI=1,JPHLEV
          HUOBSCOR2(JI,J)=HUCOR(JI,J)
        END DO
      END DO
C
      WRITE(*,*) " correlation matrix for humsat "
      WRITE(*,*)" ------------------------------------------------"
      WRITE(*,1244)( (HUOBSCOR(JI,J),JI=1,JPHLEV),J=1,JPHLEV)
      WRITE(*,1244)( (HUOBSCOR2(JI,J),JI=1,JPHLEV),J=1,JPHLEV)
      WRITE(*,*)" ------------------------------------------------"
C
 1244 FORMAT( 7(1x,f5.2))
 1245 FORMAT(16(1x,f5.2))
      RETURN
      END