• Hungarian Datum 1972

  EPSG:6237
  Area of use: Hungary.
  

• Hungarian Datum 1909

  EPSG:1024
  Area of use: Hungary.
  

• Pulkovo 1942(83)

  EPSG:6178
  Area of use: Onshore Bulgaria, Czechia, Germany (former DDR), Hungary and Slovakia.
  

• Pulkovo 1942(58)

  EPSG:6179
  Area of use: Onshore: Bulgaria, Czechia, Germany (former DDR), Hungary, Poland and Slovakia. Onshore and offshore: Albania and Romania.
  

• European Terrestrial Reference Frame 1989

  EPSG:1178
  Area of use: Europe
  

• European Terrestrial Reference Frame 1990

  EPSG:1179
  Area of use: Europe
  

• European Terrestrial Reference Frame 1991

  EPSG:1180
  Area of use: Europe
  

• European Terrestrial Reference Frame 1992

  EPSG:1181
  Area of use: Europe
  

• European Terrestrial Reference Frame 1993

  EPSG:1182
  Area of use: Europe
  

• European Terrestrial Reference Frame 1994

  EPSG:1183
  Area of use: Europe
  

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Type of results

• Coordinate reference systems (229)

•    Projected (166)
•    Geodetic (22)
•    Geodetic 3D (16)
•    Geocentric (16)
•    Vertical (5)
•    Compound (4)

• Operation (69)

•    Transformation (63)
•    Compound (1)
•    Conversion (5)

• Datum (21)

•    Vertical (5)
•    Geodetic (15)
•    Ensemble (1)

• Area (25)