!-------------------------------------- LICENCE BEGIN ------------------------------------
!Environment Canada - Atmospheric Science and Technology License/Disclaimer,
!                     version 3; Last Modified: May 7, 2008.
!This is free but copyrighted software; you can use/redistribute/modify it under the terms
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!

      SUBROUTINE SETFGEST 2
#if defined (DOC)
*
***s/r SETFGEST   - Interpolation of THE FIRST GUESS ERROR VARIANCES
*                    FOR SATEMS
*
*
*Author  : P. Koclas *CMC/CMSV November 1998
*Revision:
*
**    Purpose:  -Interpolate vertically the contents of commvo to
*                the pressure levels of the observations. Then
*                compute THE FIRST GUESS ERROR VARIANCES
*                A linear interpolation in ln(p) is performed.
*
*
*
#endif
      IMPLICIT NONE
*implicits
#include "comlun.cdk"
#include "comdim.cdk"
#include "comdimo.cdk"
#include "comoabdy.cdk"
#include "comoahdr.cdk"
#include "comoba.cdk"
#include "commvo.cdk"
#include "cvcord.cdk"
*
      INTEGER IPB,IFLEV,ISTPLIST(7)
      INTEGER IOBS,IPOS,IK,IBEGIN,ILAST
      INTEGER J,JDATA,JK
      REAL*8 ZLEV
      DATA ISTPLIST/1000,3000,5000,10000,30000,50000,70000/
C
      IFLEV=7
      DO J = 1,NFILES
      IF ( (CFAMTYP(J) .EQ. 'ST') .AND.( NBEGINTYP(J) .GT. 0) ) THEN
         IBEGIN=NBEGINTYP(J)
          ILAST=NENDTYP(J)
C
C*    1. Computation of sigmap
C     .  -----------------------------
C
 100  CONTINUE
C
         DO JDATA=IBEGIN,ILAST
            IF (MOBDATA(NCMASS,JDATA) .EQ. 1) THEN
            IF (MOBDATA(NCMXTR,JDATA) .NE. 0) THEN
               IK=NFLEV-1
               IOBS = MOBDATA(NCMOBS,JDATA)
               IPOS = MOBDATA(NCMPOS,JDATA)
               IPB  = IFLEV
               ROBDATA(NCMFGE,JDATA) = GOMGZ(IPB,IOBS)
            ELSE
               IOBS = MOBDATA(NCMOBS,JDATA)
               IPOS = MOBDATA(NCMPOS,JDATA)
               ZLEV = ROBDATA8(NCMPPP,JDATA)
               IPB=-999
               DO JK=1,IFLEV
                 IF ( NINT(ZLEV) .eq. ISTPLIST(JK) ) THEN
                  IPB  = JK
                 ENDIF
               END DO
C
C              FIRST GUESS ERROR VARIANCE

               IF(IPB .NE. -999)  THEN
                  ROBDATA(NCMFGE,JDATA) =GOMGZ(IPB,IOBS)
               ELSE
                   WRITE(NULOUT,*)' PROBLEM WITH SATEM : LEVEL ',ZLEV,'  IS NOT IN LIST'
                   ROBDATA(NCMFGE,JDATA)=9999.
               ENDIF
            ENDIF
            ENDIF
C
         END DO
 200  CONTINUE
C
      ENDIF
      END DO
C
      RETURN
      END