EPSG:CODE

GDA94 to AHD (Tasmania) height (2)

EPSG:4939 → EPSG:5712

Coordinate Reference Systems

Source CRS
EPSG:4939
GDA94
Geographic 3D
Target CRS
EPSG:5712
AHD (Tasmania) height
Vertical

Remarks

Replaces AusGeoid98 model. Uses AusGeoid09 model which uses bi-cubic interpolation; bi-linear interpolation of the grid file will give results agreeing to within 1cm 99.97% of the time. May be used for transformations from WGS 84 to AHD (Tasmania).

Frequently Asked Questions

What is the accuracy of the GDA94 to AHD (Tasmania) height transformation?

This transformation (EPSG:5657) has an accuracy of 0.03m using the Geographic3D to GravityRelatedHeight (AUSGeoid v2) method. Area of use: Australia - Tasmania mainland onshore.