• Niger

  EPSG:1177
  Area of use: Niger.
  

• Niger - southeast

  EPSG:2771
  Area of use: Niger - southeast
  

• Africa - Burkina Faso and SW Niger

  EPSG:2791
  Area of use: Burkina Faso - central; Niger - southwest, in proximity to the parallel of latitude of 12°N.
  

• Africa - AOF 4°E to 9°E

  EPSG:2551
  Area of use: French West Africa between 4°E and 9°E - Mali, Niger.
  

• Africa - AEF 14°E to 21°E

  EPSG:2553
  Area of use: French Equatorial Africa between 14°E and 21°E
  

• Africa - AEF 9°E to 14°E

  EPSG:2552
  Area of use: French Equatorial Africa onshore west of 14°E
  

• Africa - AOF 3.5°W to 4°E

  EPSG:2550
  Area of use: French West Africa onshore between 3°30'W and 4°E
  

• Africa - 12th parallel N

  EPSG:2790
  Area of use: Senegal
  

• World - N hemisphere - 0°E to 6°E - by country

  EPSG:2060
  Area of use: Between 0°E and 6°E, northern hemisphere between equator and 84°N, onshore and offshore. Algeria. Andorra. Belgium. Benin. Burkina Faso. Denmark
  

• World - N hemisphere - 6°E to 12°E - by country

  EPSG:2062
  Area of use: Between 6°E and 12°E, northern hemisphere between equator and 84°N, onshore and offshore. Algeria. Austria. Cameroon. Denmark. Equatorial Guinea. France. Gabon. Germany. Italy. Libya. Liechtenstein. Monaco. Netherlands. Niger. Nigeria. Norway. Sao Tome and Principe. Svalbard. Sweden. Switzerland. Tunisia. Vatican City State.
  

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Type of results

• Coordinate reference systems (16)

•    Projected (4)
•    Geodetic (7)
•    Geodetic 3D (2)
•    Geocentric (3)

• Operation (9)

•    Transformation (3)
•    Compound (1)
•    Conversion (5)

• Datum (3)

•    Geodetic (3)

• Area (12)