• Ordnance Survey of Great Britain 1936

  EPSG:6277
  Area of use: United Kingdom (UK)
  

• OS (SN) 1980

  EPSG:6279
  Area of use: Ireland
  

• OSGB 1970 (SN)

  EPSG:6278
  Area of use: United Kingdom (UK)
  

• 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
  

• European Terrestrial Reference Frame 1996

  EPSG:1184
  Area of use: Europe
  

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Type of results

• Coordinate reference systems (198)

•    Projected (143)
•    Geodetic (19)
•    Geodetic 3D (14)
•    Geocentric (13)
•    Vertical (4)
•    Compound (5)

• Operation (81)

•    Transformation (75)
•    Compound (1)
•    Conversion (5)

• Datum (19)

•    Vertical (3)
•    Geodetic (14)
•    Ensemble (2)

• Area (11)