 no default value for the units attribute. The units attribute will be of character type with the string formatted as per the recommendations in the Unidata udunits package.</p>
<p>The recommended unit of latitude is "degrees_north". Also acceptable are "degree_north", "degree_N", and "degrees_N".</p>
<p>A latitude coordinate variable is identifiable from its units string,alone. The udunits routines utScan can be used to make this determination. (Note that at the time of this writing the author of this draf