Determines how latitude is designated in UTM notation. Within a single longitudinal zone within the UTM system, two points share the same grid position: one in the northern hemisphere and one in the south. Two schemes are used to resolve this ambiguity. In the first, the point is designated a latitude band, identified with letters C through X (omitting I and O). In the second, in place of the latitude band, a hemisphere indicator (N or S) is used.