Attributes {
    core {
        String long_name "core";
        Int32 gridtype 2;
        String units "ids";
    }
    date {
        Int32 missing_value 0;
        Int32 pointwidth 1;
        String units "julian_day";
        String calendar "standard";
    }
NC_GLOBAL {
    String Conventions "IRIDL";
}
}