GDA2020 – 12D Wiki

12d Field – MGA94/2020 Localisation

Follow the steps below to create a MGA94 or MGA2020 geoid to be used as a GPS Localisation in 12d Field. Go to the following 12d Wiki page and follow the steps to download the N_Values.zip file which contains tiles of each MGA94 (Ausgeoid 09) and MGA2020 (Ausgeoid 2020) zones broken up into smaller areas [...]

Convert MGA 94 to MGA 2020

There are reasons that moving your project to GDA 2020 will be useful (or move data back to MGA 94), but you should approach the transformation of your data with caution. We will tell you which buttons in 12d Model will do what, but the decision about whether to push the button is with [...]