The technical information provided here:
- defines GDA94 and GDA2020;
- provides descriptions, transformation parameters and examples to assist with datum transformations between GDA94, GDA2020, realisations of the International Terrestrial Reference Frame (ITRF) and historic Australian datums;
- provides descriptions and examples to assist with coordinate conversions between Earth-centred Cartesian, geographic and map projected coordinates;
- provides descriptions and examples of coordinate computations; and
- defines the Australian Height Datum (AHD) and AUSGeoid models, and describes how to convert between ellipsoidal heights and Australian Height Datum heights.
NOTE: Further software, products and services will be provided for use with GDA2020 when it is officially released.