EPSG:4122 - ATS77

Attributes

Unit

degree

Scope

Geodesy.

Remarks

None

Area of use

Canada - New Brunswick; Nova Scotia; Prince Edward Island.

Data Source: EPSG v11.022 2024-11-05

Datum: Average Terrestrial System 1977

Coordinate System: ellipsoidal

Projection: Undefined

Geodetic CRS: Undefined

Export

GEOGCRS["ATS77",
    DATUM["Average Terrestrial System 1977",
        ELLIPSOID["Average Terrestrial System 1977",6378135,298.257,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,2],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
    USAGE[
        SCOPE["Geodesy."],
        AREA["Canada - New Brunswick; Nova Scotia; Prince Edward Island."],
        BBOX[43.41,-69.05,48.07,-59.73]],
    ID["EPSG",4122]]
{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "GeographicCRS",
  "name": "ATS77",
  "datum": {
    "type": "GeodeticReferenceFrame",
    "name": "Average Terrestrial System 1977",
    "ellipsoid": {
      "name": "Average Terrestrial System 1977",
      "semi_major_axis": 6378135,
      "inverse_flattening": 298.257
    }
  },
  "coordinate_system": {
    "subtype": "ellipsoidal",
    "axis": [
      {
        "name": "Geodetic latitude",
        "abbreviation": "Lat",
        "direction": "north",
        "unit": "degree"
      },
      {
        "name": "Geodetic longitude",
        "abbreviation": "Lon",
        "direction": "east",
        "unit": "degree"
      }
    ]
  },
  "scope": "Geodesy.",
  "area": "Canada - New Brunswick; Nova Scotia; Prince Edward Island.",
  "bbox": {
    "south_latitude": 43.41,
    "west_longitude": -69.05,
    "north_latitude": 48.07,
    "east_longitude": -59.73
  },
  "id": {
    "authority": "EPSG",
    "code": 4122
  }
}
{'crs_wkt': 'GEOGCRS["ATS77",DATUM["Average Terrestrial System '
            '1977",ELLIPSOID["Average Terrestrial System '
            '1977",6378135,298.257,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic '
            'latitude '
            '(Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic '
            'longitude '
            '(Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],USAGE[SCOPE["Geodesy."],AREA["Canada '
            '- New Brunswick; Nova Scotia; Prince Edward '
            'Island."],BBOX[43.41,-69.05,48.07,-59.73]],ID["EPSG",4122]]',
 'geographic_crs_name': 'ATS77',
 'grid_mapping_name': 'latitude_longitude',
 'horizontal_datum_name': 'Average Terrestrial System 1977',
 'inverse_flattening': 298.257,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'reference_ellipsoid_name': 'Average Terrestrial System 1977',
 'semi_major_axis': 6378135.0,
 'semi_minor_axis': 6356750.304921594}