Candidate operations found: 3
-------------------------------------
Operation No. 1:

unknown id, Inverse of Map Grid of Australia zone 50 + GDA94 to GDA2020 (1) + Map Grid of Australia zone 50, 0.01 m, Australia including Lord Howe Island, Macquarie Island, Ashmore and Cartier Islands, Christmas Island, Cocos (Keeling) Islands, Norfolk Island. All onshore and offshore.

PROJ string:
+proj=pipeline
  +step +inv +proj=utm +zone=50 +south +ellps=GRS80
  +step +proj=push +v_3
  +step +proj=cart +ellps=GRS80
  +step +proj=helmert +x=0.06155 +y=-0.01087 +z=-0.04019 +rx=-0.0394924
        +ry=-0.0327221 +rz=-0.0328979 +s=-0.009994 +convention=coordinate_frame
  +step +inv +proj=cart +ellps=GRS80
  +step +proj=pop +v_3
  +step +proj=utm +zone=50 +south +ellps=GRS80

-------------------------------------
Operation No. 2:

unknown id, Inverse of Map Grid of Australia zone 50 + GDA94 to GDA2020 (3) + Map Grid of Australia zone 50, 0.05 m, Australia - Australian Capital Territory; New South Wales; Northern Territory; Queensland; South Australia; Tasmania; Western Australia; Victoria.

PROJ string:
+proj=pipeline
  +step +inv +proj=utm +zone=50 +south +ellps=GRS80
  +step +proj=hgridshift +grids=au_icsm_GDA94_GDA2020_conformal.tif
  +step +proj=utm +zone=50 +south +ellps=GRS80

-------------------------------------
Operation No. 3:

unknown id, Inverse of Map Grid of Australia zone 50 + GDA94 to GDA2020 (2) + Map Grid of Australia zone 50, 0.05 m, Australia - Australian Capital Territory; New South Wales; Northern Territory; Queensland; South Australia; Tasmania; Western Australia; Victoria.

PROJ string:
+proj=pipeline
  +step +inv +proj=utm +zone=50 +south +ellps=GRS80
  +step +proj=hgridshift
        +grids=au_icsm_GDA94_GDA2020_conformal_and_distortion.tif
  +step +proj=utm +zone=50 +south +ellps=GRS80
