gistfile1.txt

```
variables:
        float stereographic ;
                stereographic:missing_value = -1.e+34f ;
                stereographic:_FillValue = -1.e+34f ;
                stereographic:long_name = "Antarctic Polar Stereographic" ;
                stereographic:grid_mapping = "polar_stereographic" ;
                stereographic:standard_name = "polar_stereographic" ;
                stereographic:authority = "EPSG:3031" ;
                stereographic:latitude_of_origin = -71.f ;
                stereographic:central_meridian = 0.f ;
                stereographic:semi_major_axis = 6378137.f ;
                stereographic:inverse_flattening = 298.2572f ;
                stereographic:latitude_of_projection_origin = 90.f ;
                stereographic:false_easting = 0.f ;
                stereographic:false_northing = 0.f ;


...

        float tas(time, y, x) ;
                tas:missing_value = 1.e+20f ;
                tas:_FillValue = 1.e+20f ;
                tas:long_name = "Near-Surface Air Temperature" ;
                tas:units = "K" ;
                tas:standard_name = "air_temperature" ;
                tas:coordinates = "height" ;
                tas:cell_methods = "time: mean" ;
                tas:grid_mapping = "Polar Stereographic" ;

```