EPSG:2268

NAD83 / Oklahoma South (ftUS)

Available transformations
to EPSG:4326

Selected transformation

Method: NADCON

Grid Files: okhpgn.las okhpgn.los

Remarks: Parameter files are from NAD83 to NAD83(HARN) (21) (code 1494) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.

Information source: OGP

Revision date: 2021-09-10

Attributes

Unit: US survey foot

Geodetic CRS: NAD83

Datum: North American Datum 1983

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: National Geodetic Survey http://www.ngs.noaa.gov/INFO/Policy/st_plane.html

Revision date: 2001-11-06

Center coordinates
1756670.95 721944.78

Projected bounds:
446796.09 104334.56
3058258.03 1374660.41

WGS84 bounds:
-103.0 33.62
-94.42 37.01

United States (USA) - Oklahoma.
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Definition: OGC Well Known Text 2 (2019)

PROJCRS["NAD83 / Oklahoma South (ftUS)",
    BASEGEOGCRS["NAD83",
        DATUM["North American Datum 1983",
            ELLIPSOID["GRS 1980",6378137,298.257222101,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4269]],
    CONVERSION["SPCS83 Oklahoma South zone (US survey foot)",
        METHOD["Lambert Conic Conformal (2SP)",
            ID["EPSG",9802]],
        PARAMETER["Latitude of false origin",33.3333333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8821]],
        PARAMETER["Longitude of false origin",-98,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8822]],
        PARAMETER["Latitude of 1st standard parallel",35.2333333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8823]],
        PARAMETER["Latitude of 2nd standard parallel",33.9333333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8824]],
        PARAMETER["Easting at false origin",1968500,
            LENGTHUNIT["US survey foot",0.304800609601219],
            ID["EPSG",8826]],
        PARAMETER["Northing at false origin",0,
            LENGTHUNIT["US survey foot",0.304800609601219],
            ID["EPSG",8827]]],
    CS[Cartesian,2],
        AXIS["easting (X)",east,
            ORDER[1],
            LENGTHUNIT["US survey foot",0.304800609601219]],
        AXIS["northing (Y)",north,
            ORDER[2],
            LENGTHUNIT["US survey foot",0.304800609601219]],
    USAGE[
        SCOPE["Engineering survey, topographic mapping."],
        AREA["United States (USA) - Oklahoma - counties of Atoka; Beckham; Bryan; Caddo; Carter; Choctaw; Cleveland; Coal; Comanche; Cotton; Garvin; Grady; Greer; Harmon; Haskell; Hughes; Jackson; Jefferson; Johnston; Kiowa; Latimer; Le Flore; Love; Marshall; McClain; McCurtain; McIntosh; Murray; Pittsburg; Pontotoc; Pottawatomie; Pushmataha; Seminole; Stephens; Tillman; Washita."],
        BBOX[33.62,-100,35.57,-94.42]],
    ID["EPSG",2268]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "NAD83 / Oklahoma South (ftUS)",
    "base_crs": {
        "name": "NAD83",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum 1983",
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4269
        }
    },
    "conversion": {
        "name": "SPCS83 Oklahoma South zone (US survey foot)",
        "method": {
            "name": "Lambert Conic Conformal (2SP)",
            "id": {
                "authority": "EPSG",
                "code": 9802
            }
        },
        "parameters": [
            {
                "name": "Latitude of false origin",
                "value": 33.3333333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8821
                }
            },
            {
                "name": "Longitude of false origin",
                "value": -98,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8822
                }
            },
            {
                "name": "Latitude of 1st standard parallel",
                "value": 35.2333333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8823
                }
            },
            {
                "name": "Latitude of 2nd standard parallel",
                "value": 33.9333333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8824
                }
            },
            {
                "name": "Easting at false origin",
                "value": 1968500,
                "unit": {
                    "type": "LinearUnit",
                    "name": "US survey foot",
                    "conversion_factor": 0.304800609601219
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8826
                }
            },
            {
                "name": "Northing at false origin",
                "value": 0,
                "unit": {
                    "type": "LinearUnit",
                    "name": "US survey foot",
                    "conversion_factor": 0.304800609601219
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8827
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "X",
                "direction": "east",
                "unit": {
                    "type": "LinearUnit",
                    "name": "US survey foot",
                    "conversion_factor": 0.304800609601219
                }
            },
            {
                "name": "Northing",
                "abbreviation": "Y",
                "direction": "north",
                "unit": {
                    "type": "LinearUnit",
                    "name": "US survey foot",
                    "conversion_factor": 0.304800609601219
                }
            }
        ]
    },
    "scope": "Engineering survey, topographic mapping.",
    "area": "United States (USA) - Oklahoma - counties of Atoka; Beckham; Bryan; Caddo; Carter; Choctaw; Cleveland; Coal; Comanche; Cotton; Garvin; Grady; Greer; Harmon; Haskell; Hughes; Jackson; Jefferson; Johnston; Kiowa; Latimer; Le Flore; Love; Marshall; McClain; McCurtain; McIntosh; Murray; Pittsburg; Pontotoc; Pottawatomie; Pushmataha; Seminole; Stephens; Tillman; Washita.",
    "bbox": {
        "south_latitude": 33.62,
        "west_longitude": -100,
        "north_latitude": 35.57,
        "east_longitude": -94.42
    },
    "id": {
        "authority": "EPSG",
        "code": 2268
    }
}