• Tonga

  EPSG:1234
  Area of use: Tonga - onshore and offshore.
  

• Tonga - onshore

  EPSG:3321
  Area of use: Tonga - onshore.
  

• Pacific Ocean

  EPSG:3172
  Area of use: Pacific Ocean
  

• World (by country)

  EPSG:2830
  Area of use: World
  

• 1

Type of results

• Coordinate reference systems (12)

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

• Operation (4)

•    Transformation (1)
•    Conversion (3)

• Datum (1)

•    Geodetic (1)

• Area (4)