GDA Technical Manual


Photo: Preparing for the Australian National Network Survey in the Northern Territory - August 1993.

Version 2.3 - The last update to the Manual was February 2006

The GDA Technical Manual is now available online

Options For Downloading

Links to Transformation Software

NOTE: Online versions of Vincenty’s and Redfearns Formulae are also available on the Geoscience Australia website. The online calculators provide the same results as the spreadsheets in the Technical Manual.