Welcome to the Official GDA2020 Forum

This forum is a place to discuss, share experiences and find answers to questions relating to the modernisation of Australia’s datum. This includes sector-specific assistance with technical aspects of the change. It is moderated by members of the GDA Modernisation Implementation Working Group and other technical specialists are invited to participate and give advice. 

Information about the change, including  Fact Sheets and Frequently asked Questions is available from the Modernising Australia’s Datum Website



Tools, advice, and tips for converting your spatial data.

Questions related to the implementation or use of GDA2020 in specific software or hardware products.


Questions related to implementation within specific states and territories, moderated by GMIWG members from that jursidiction.


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