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Transform Datum Files

You cen set the GSB Transform files to be used when transforming data from one datum to another

AGD1966 to GDA1994

Enter the path and name of a GSB (NTv2) transformation file
This file will be used to transform data points from AGD1966 to GDA1994.
The usual file for this is 'A66 National (13.09.01).gsb' which can be downloaded from the GSA web site.
Click here for details.
Or paste this url into a web browser
https://www.icsm.gov.au/datum/gda-transformation-products-and-tools/transformation-grids



AGD1984 to GDA1994

This file will be used to transform data points from AGD1984 to GDA1994.

GDA1994 to GDA2020

This file will be used to transform data points from GDA1994 to GDA2020.

If left blank, a formula will be used fopr this transformation.