def parse_global_range_dataframe(global_ranges):
    """ Cleans up the global ranges dataframe """
    global_df = global_ranges[global_ranges.columns[:-3]]
    global_df.columns = ['reference_designator', 'parameter_id_r',
        'parameter_id_t', 'global_range_min', 'global_range_max',
        'data_level', 'units']
    return global_df
