🌍 GEODETIC REFERENCE

Surveying in Australia

GDA2020 replaced GDA94 to account for ~1.8m of plate motion. The Map Grid of Australia (MGA) is UTM-based. Free PPP via AUSPOS.

National datum
GDA2020
Vertical datum
AHD (Australian Height Datum)
UTM zones
MGA 49S through 56S
CORS stations (our DB)
25

CORS network

AUSCORS / GPSnet (state networks)

Browse 25 Australia CORS stations in our directory →

Mapping authority

Geoscience Australia + ICSM

Projected coordinate systems & EPSG codes

Related tools

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