Geodetic Datums

Geocentric Datum of Australia (GDA)

Learn about Australia's Geocentric Datum and its purpose.


Find out about existing Geoid model and data and techniques it uses.

Australian Height Datum

Information on height datum used by Australia and how it was developed.

Historical Datums of Australia

Datums used previously.

Link to Other Datums

Other Datums

Learn about the differences between datums.