A geodetic datum is a reference system for describing positions on the curved surface of the Earth. Datum coordinates are normally expressed in degrees, minutes and seconds of latitude and longitude.
This section describes the geodetic datums that are currently or that have previously been used in New Zealand and information about their reference ellipsoids.
A geodetic datum is a reference system for describing positions on the curved surface of the Earth. Datum coordinates are normally expressed in degrees, minutes and seconds of latitude and longitude.