• Poland zone I

  EPSG:18281
  Area of use: Poland - southeast - south of 52°20'N and east of 18°E.
  

• ETRS89 geocentric to geog3D

  EPSG:15506
  Area of use: Europe
  

• ETRS89 geog3D to geog2D

  EPSG:15507
  Area of use: Europe
  

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