netcdf testEnhanced/2004050312_eta_211.nc {
  dimensions:
    record = UNLIMITED;   // (1 currently)
    x = 135;
    y = 95;
    datetime_len = 21;
    nmodels = 1;
    ngrids = 1;
    nav = 1;
    nav_len = 100;
  variables:
    double reftime(record=1);
      :long_name = "reference time";
      :units = "hours since 1992-1-1";

    double valtime(record=1);
      :long_name = "valid time";
      :units = "hours since 1992-1-1";

    char datetime(record=1, datetime_len=21);
      :long_name = "reference date and time";

    float valtime_offset(record=1);
      :long_name = "hours from reference time";
      :units = "hours";

    int model_id(nmodels=1);
      :long_name = "generating process ID number";

    char nav_model(nav=1, nav_len=100);
      :long_name = "navigation model name";

    int grid_type_code(nav=1);
      :long_name = "GRIB-1 GDS data representation type";

    char grid_type(nav=1, nav_len=100);
      :long_name = "GRIB-1 grid type";

    char grid_name(nav=1, nav_len=100);
      :long_name = "grid name";

    int grid_center(nav=1);
      :long_name = "GRIB-1 originating center ID";

    int grid_number(nav=1, ngrids=1);
      :long_name = "GRIB-1 catalogued grid numbers";
      :_FillValue = -9999; // int

    char x_dim(nav=1, nav_len=100);
      :long_name = "x dimension name";

    char y_dim(nav=1, nav_len=100);
      :long_name = "y dimension name";

    int Nx(nav=1);
      :long_name = "number of points along x-axis";

    int Ny(nav=1);
      :long_name = "number of points along y-axis";

    float La1(nav=1);
      :long_name = "latitude of first grid point";
      :units = "degrees_north";

    float Lo1(nav=1);
      :long_name = "longitude of first grid point";
      :units = "degrees_east";

    float Lov(nav=1);
      :long_name = "orientation of the grid";
      :units = "degrees_east";

    float Dx(nav=1);
      :long_name = "x-direction grid length";
      :units = "km";

    float Dy(nav=1);
      :long_name = "y-direction grid length";
      :units = "km";

    byte ProjFlag(nav=1);
      :long_name = "projection center flag";

    byte ResCompFlag(nav=1);
      :long_name = "resolution and component flags";

    float Z_sfc(record=1, y=95, x=135);
      :long_name = "Geopotential height, gpm";
      :units = "gp m";
      :_FillValue = -9999.0f; // float
      :navigation = "nav";

  // global attributes:
  :record = "reftime, valtime";
  :history = "2003-09-25 16:09:26 - created by gribtocdl 1.4 - 12.12.2002";
  :title = "CMC_reg_HGT_SFC_0_ps60km_2003092500_P000.grib";
  :Conventions = "NUWG";
  :version = 0.0; // double
}