Attributes {
    IZ {
        String long_name "IZ";
        Float32 pointwidth 1.0;
        Int32 gridtype 0;
        String units "unitless";
    }
    ISTA {
        String long_name "ISTA";
        Int32 gridtype 2;
        String units "ids";
    }
    SIGMA4 {
        String units "sigma";
        Float32 missing_value NaN;
        String long_name "$sigma sub 4$";
    }
NC_GLOBAL {
    String Conventions "IRIDL";
}
}