!-----------------------------------------------------------------------
&namobs       !  observation usage switch                               ('key_diaobs')
!-----------------------------------------------------------------------
   ln_t3d     = .false.    ! Logical switch for T profile observations
   ln_s3d     = .false.    ! Logical switch for S profile observations
   ln_ena     = .false.    ! Logical switch for ENACT insitu data set
   !                       !     ln_cor                  Logical switch for Coriolis insitu data set
   ln_profb   = .false.    ! Logical switch for feedback insitu data set
   ln_sla     = .false.    ! Logical switch for SLA observations

   ln_sladt   = .false.    ! Logical switch for AVISO SLA data

   ln_slafb   = .false.    ! Logical switch for feedback SLA data
                           !     ln_ssh                  Logical switch for SSH observations

   ln_sst     = .true.     ! Logical switch for SST observations
   ln_reysst  = .true.     !     ln_reysst               Logical switch for Reynolds observations
   ln_ghrsst  = .false.    !     ln_ghrsst               Logical switch for GHRSST observations      

   ln_sstfb   = .false.    ! Logical switch for feedback SST data
                           !     ln_sss                  Logical switch for SSS observations
                           !     ln_seaice               Logical switch for Sea Ice observations
                           !     ln_vel3d                Logical switch for velocity observations
                           !     ln_velavcur             Logical switch for velocity daily av. cur.
                           !     ln_velhrcur             Logical switch for velocity high freq. cur.
                           !     ln_velavadcp            Logical switch for velocity daily av. ADCP
                           !     ln_velhradcp            Logical switch for velocity high freq. ADCP
                           !     ln_velfb                Logical switch for feedback velocity data
                           !     ln_grid_global          Global distribtion of observations
                           !     ln_grid_search_lookup   Logical switch for obs grid search w/lookup table
                           !     grid_search_file        Grid search lookup file header
                           !     enactfiles              ENACT input observation file names
                           !     coriofiles              Coriolis input observation file name
   !                       ! profbfiles: Profile feedback input observation file name
   profbfiles = 'profiles_01.nc'
                           !     ln_profb_enatim         Enact feedback input time setting switch
                           !     slafilesact             Active SLA input observation file name
                           !     slafilespas             Passive SLA input observation file name
   !                       ! slafbfiles: Feedback SLA input observation file name
   slafbfiles = 'sla_01.nc'
                           !     sstfiles                GHRSST input observation file name
   !                       ! sstfbfiles: Feedback SST input observation file name
   sstfbfiles = 'sst_01.nc' 'sst_02.nc' 'sst_03.nc' 'sst_04.nc' 'sst_05.nc'
                           !     seaicefiles             Sea Ice input observation file name
                           !     velavcurfiles           Vel. cur. daily av. input file name
                           !     velhvcurfiles           Vel. cur. high freq. input file name
                           !     velavadcpfiles          Vel. ADCP daily av. input file name
                           !     velhvadcpfiles          Vel. ADCP high freq. input file name
                           !     velfbfiles              Vel. feedback input observation file name
                           !     dobsini                 Initial date in window YYYYMMDD.HHMMSS
                           !     dobsend                 Final date in window YYYYMMDD.HHMMSS
                           !     n1dint                  Type of vertical interpolation method
                           !     n2dint                  Type of horizontal interpolation method
                           !     ln_nea                  Rejection of observations near land switch
   nmsshc     = 0          ! MSSH correction scheme
                           !     mdtcorr                 MDT  correction
                           !     mdtcutoff               MDT cutoff for computed correction
   ln_altbias = .false.    ! Logical switch for alt bias
   ln_ignmis  = .true.     ! Logical switch for ignoring missing files
                           !     endailyavtypes   ENACT daily average types
   ln_grid_global = .true.
   ln_grid_search_lookup = .false.
/