!-------------------------------------- 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 SUGPSGB(KULOUT) 2,1
#if defined (DOC)
*
***s/r SUGPSGB : Initialisation of ground-based GPS
*
*Author  : Stephen Macpherson *ARMA/MRD August 2008
*
*    -------------------
**    Purpose: to read and initialize GB-GPS namelist parameters
*
*Arguments
*     i : KULOUT : logical unit for output
*
#endif
      IMPLICIT NONE
*implicits
#include "comfilt.cdk"
#include "comgpsgb.cdk"
*
      INTEGER KULOUT
      INTEGER KIERR, IELE, j
C
      LOGICAL LLGP
C
C           GPS ZTD burp element
      DATA IELE / 15031 /
C
      LLGP = .FALSE.
      DO J = 1, NELEMS
         IF ( NLIST(J) .EQ. IELE ) THEN
            LLGP = .TRUE.
         ENDIF
      ENDDO
c
C
C*    .  1.1 Default values
C     .      --------------
C
      DZMIN  = 2.0
      DZMAX  = 1000.0
      YZTDERR = 0.012
      NJLEVP = 57
      LASSMET = .TRUE.
      YSFERRWGT = 1.0
      L1GPSOBS = .FALSE.
      CGPSSTN = 'ABCDEFGHI'
      YZDERRWGT = 1.0
      RCK1 = 0.776
      RCK2 = 0.704
      RCK3 = 3739.0
c
      IF ( .NOT. LLGP ) RETURN
c
      CALL READNML('NAMGPSGB',KIERR)

      RETURN

      END