What is the internal CE world units in?

Discussion created by malcolmhumphreys on Jan 6, 2012
Latest reply on Jan 10, 2012 by MBuehler-esristaff
Is it UTM? I have been trying to convert the xz coordinates of shapes/graphs and cross reference this with ersi, osm and googlemaps data but I seem to be seeing a slight error. I'm not sure if this is error in the data or in my calculations. Any insight into this would be great.