Geodetic datums and projections

Geocentric Datum of Australia 2020 (GDA2020) - Learn about Australia's Geocentric Datum and its purpose.

Map Grid of Australia 2020 - Geodetic coordinates (latitude and longitude) are represented on a map or chart, by mathematically projecting them onto a two-dimensional plane.

Australian Height Datum - Information on height datum used by Australia and how it was developed.