In these scripts, UTM coordinates have a space between the zone and the hemisphere indicator, and no 100km square indicator.. Each UTM zone is divided into 20 latitude bands, each 8В° tall (except вЂX’ is 12В° tall), lettered from вЂC’ at 80В°S to вЂX’ at 84В°N (omitting вЂI’ and вЂO’), so that the zone and the latitude band together make a вЂgrid zone designator’ (GZD) (see ma..