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What is GDA 2020?

Mapinfo 17x
GDA2020, Australia’s new official datum, will align the country’s national coordinates with global satellite positioning systems, enabling smart devices and other positioning technology to accurately locate mapped features.

As the earths surface is constantly moving albeit slowly, failing to update location data to GDA2020 risks exposing discrepancies of up to 1.8 metres relative to GDA94-mapped features. 

The new GDA2020 is included in the projection list from Mapinfo v16.0.3 onwards. For earlier Mapinfo release versions the GDA2020 projection can be can be manually added as a custom projection.

The projection entries below can be added to the mapinfow.prj file for use with MapInfo Pro 15.x or later to support GDA 2020 datum (note it will not support nTv2 transformations):

For Longitude Latitude systems:
"Longitude / Latitude (Australia GDA 2020)", 1, 9999, 0, -0.06155,0.01087, 0.04019, 0.0394924, 0.0327221, 0.0328979, 0.009994, 0

For Map Grid of Australia:
"--- Map Grid of Australia 2020 (MGA2020) ---"
"MGA2020 Zone 47", 8, 9999, 0, -0.06155, 0.01087, 0.04019, 0.0394924,0.0327221, 0.0328979, 0.009994, 0, 7, 99, 0, 0.9996, 500000, 10000000
"MGA2020 Zone 48", 8, 9999, 0, -0.06155, 0.01087, 0.04019, 0.0394924,0.0327221, 0.0328979, 0.009994, 0, 7, 105, 0, 0.9996, 500000, 10000000
"MGA2020 Zone 49", 8, 9999, 0, -0.06155, 0.01087, 0.04019, 0.0394924,0.0327221, 0.0328979, 0.009994, 0, 7, 111, 0, 0.9996, 500000, 10000000
"MGA2020 Zone 50", 8, 9999, 0, -0.06155, 0.01087, 0.04019, 0.0394924,0.0327221, 0.0328979, 0.009994, 0, 7, 117, 0, 0.9996, 500000, 10000000
"MGA2020 Zone 51", 8, 9999, 0, -0.06155, 0.01087, 0.04019, 0.0394924,0.0327221, 0.0328979, 0.009994, 0, 7, 123, 0, 0.9996, 500000, 10000000
"MGA2020 Zone 52", 8, 9999, 0, -0.06155, 0.01087, 0.04019, 0.0394924,0.0327221, 0.0328979, 0.009994, 0, 7, 129, 0, 0.9996, 500000, 10000000
"MGA2020 Zone 53", 8, 9999, 0, -0.06155, 0.01087, 0.04019, 0.0394924,0.0327221, 0.0328979, 0.009994, 0, 7, 135, 0, 0.9996, 500000, 10000000
"MGA2020 Zone 54", 8, 9999, 0, -0.06155, 0.01087, 0.04019, 0.0394924,0.0327221, 0.0328979, 0.009994, 0, 7, 141, 0, 0.9996, 500000, 10000000
"MGA2020 Zone 55", 8, 9999, 0, -0.06155, 0.01087, 0.04019, 0.0394924,0.0327221, 0.0328979, 0.009994, 0, 7, 147, 0, 0.9996, 500000, 10000000
"MGA2020 Zone 56", 8, 9999, 0, -0.06155, 0.01087, 0.04019, 0.0394924,0.0327221, 0.0328979, 0.009994, 0, 7, 153, 0, 0.9996, 500000, 10000000
"MGA2020 Zone 57", 8, 9999, 0, -0.06155, 0.01087, 0.04019, 0.0394924,0.0327221, 0.0328979, 0.009994, 0, 7, 159, 0, 0.9996, 500000, 10000000
"MGA2020 Zone 58", 8, 9999, 0, -0.06155, 0.01087, 0.04019, 0.0394924,0.0327221, 0.0328979, 0.009994, 0, 7, 165, 0, 0.9996, 500000, 10000000


Note by default the NTv2 grid shift support is disabled for GDA2020 in Mapinfo Pro. To enable it, you will need to open and modify the relevant setting in the file -
C:\Program Files\MapInfo\Professional\NTv2.xml
UPDATED:  June 7, 2019