• Unknown datum based upon the International 1924 ellipsoid

  EPSG:4022
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the Krassowsky 1940 ellipsoid

  EPSG:4024
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the NWL 9D ellipsoid

  EPSG:4025
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the Plessis 1817 ellipsoid

  EPSG:4027
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the Struve 1860 ellipsoid

  EPSG:4028
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the War Office ellipsoid

  EPSG:4029
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the WGS 84 ellipsoid

  EPSG:4030
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the GEM 10C ellipsoid

  EPSG:4031
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the OSU86F ellipsoid

  EPSG:4032
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the OSU91A ellipsoid

  EPSG:4033
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the Clarke 1880 ellipsoid

  EPSG:4034
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the Authalic Sphere

  EPSG:4035
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the GRS 1967 ellipsoid

  EPSG:4036
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the Average Terrestrial System 1977 ellipsoid

  EPSG:4041
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the Everest (1830 Definition) ellipsoid

  EPSG:4042
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the WGS 72 ellipsoid

  EPSG:4043
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the Everest 1830 (1962 Definition) ellipsoid

  EPSG:4044
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unknown datum based upon the Everest 1830 (1975 Definition) ellipsoid

  EPSG:4045
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unspecified datum based upon the GRS 1980 Authalic Sphere

  EPSG:4047
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unspecified datum based upon the Clarke 1866 Authalic Sphere

  EPSG:4052
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unspecified datum based upon the International 1924 Authalic Sphere

  EPSG:4053
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• Unspecified datum based upon the Hughes 1980 ellipsoid

  EPSG:4054
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• NAD27 for shapefiles w/o a PRJ

  ESRI:104000
  Area of use: Not specified
  Transform coordinates | Get position on a map

• International 1967

  ESRI:104023
  Area of use: Not specified
  Transform coordinates | Get position on a map

• EPSG seismic bin grid example A

  EPSG:5804
  Area of use: Not specified.
  Transform coordinates | Get position on a map

• EPSG seismic bin grid example B

  EPSG:5805
  Area of use: Not specified.
  Transform coordinates | Get position on a map

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Type of results

• Coordinate reference systems (47)

•    Geodetic (45)
•    Engineering (2)

• Operation (5)

•    Transformation (2)
•    Conversion (3)

• Datum (46)

•    Engineering (4)
•    Geodetic (42)

• Area (1)