Before revision: UTM and UPS systems 250px|UTM zones on an equirectangular world map with irregular zones in red The Universal Transverse Mercator (UTM) and
After revision: Examples of Projected CRS 250px|UTM zones on an equirectangular world map with irregular zones in red The Universal Transverse Mercator (UTM) : not a single coordinate system, but a series of 60 zones (each being a gore 6° wide), each a system with its own Transverse Mercator projection.