EPSG:3102

American Samoa 1962 / American Samoa Lambert

Selected transformation

Grid Files: eshpgn.las eshpgn.los

Remarks: Transformation actually to NAD83(HARN), but for many purposes NAD83(HARNS) can be considered to be coincident with WGS 84.

Information source: OGP

Revision date: 2000-10-19

Attributes

Unit: US survey foot

Geodetic CRS: American Samoa 1962

Datum: American Samoa 1962

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: EPSG

Information source: US National Geodetic Survey (NGS) http://www.ngs.noaa.gov/

Revision date: 2022-11-29

Scope: Engineering survey, topographic mapping.

Remarks: Replaced by NAD83(HARN) / UTM zone 2S (projCRS 2195) as of mid-2000.

Area of use: American Samoa - Tutuila, Aunu'u, Ofu, Olesega and Ta'u islands.

Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: ftUS.

Center coordinates
658016.1 330804.81

Projected bounds:
596003.23 294360.48
720081.95 367205.04

WGS84 bounds:
-169.73 -14.31
-169.38 -14.11

American Samoa - Ofu, Olesega and Ta'u islands.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        BOUNDCRS[
            SOURCECRS[
                PROJCRS["American Samoa 1962 / American Samoa Lambert",
                    BASEGEOGCRS["American Samoa 1962",
                        DATUM["American Samoa 1962",
                            ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
                                LENGTHUNIT["metre",1]]],
                        PRIMEM["Greenwich",0,
                            ANGLEUNIT["degree",0.0174532925199433]],
                        ID["EPSG",4169]],
                    CONVERSION["American Samoa Lambert",
                        METHOD["Lambert Conic Conformal (1SP)",
                            ID["EPSG",9801]],
                        PARAMETER["Latitude of natural origin",-14.2666666666667,
                            ANGLEUNIT["degree",0.0174532925199433],
                            ID["EPSG",8801]],
                        PARAMETER["Longitude of natural origin",-170,
                            ANGLEUNIT["degree",0.0174532925199433],
                            ID["EPSG",8802]],
                        PARAMETER["Scale factor at natural origin",1,
                            SCALEUNIT["unity",1],
                            ID["EPSG",8805]],
                        PARAMETER["False easting",500000,
                            LENGTHUNIT["US survey foot",0.304800609601219],
                            ID["EPSG",8806]],
                        PARAMETER["False northing",312234.65,
                            LENGTHUNIT["US survey foot",0.304800609601219],
                            ID["EPSG",8807]]],
                    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]],
                    ID["EPSG",3102]]],
            TARGETCRS[
                GEOGCRS["NAD83(HARN)",
                    DATUM["NAD83 (High Accuracy Reference Network)",
                        ELLIPSOID["GRS 1980",6378137,298.257222101,
                            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]],
                    ID["EPSG",4152]]],
            ABRIDGEDTRANSFORMATION["American Samoa 1962 to NAD83(HARN) (2)",
                METHOD["NADCON",
                    ID["EPSG",9613]],
                PARAMETERFILE["Latitude difference file","eshpgn.las"],
                PARAMETERFILE["Longitude difference file","eshpgn.los"],
                ID["EPSG",1579]]]],
    TARGETCRS[
        GEOGCRS["WGS 84",
            ENSEMBLE["World Geodetic System 1984 ensemble",
                MEMBER["World Geodetic System 1984 (Transit)"],
                MEMBER["World Geodetic System 1984 (G730)"],
                MEMBER["World Geodetic System 1984 (G873)"],
                MEMBER["World Geodetic System 1984 (G1150)"],
                MEMBER["World Geodetic System 1984 (G1674)"],
                MEMBER["World Geodetic System 1984 (G1762)"],
                MEMBER["World Geodetic System 1984 (G2139)"],
                ELLIPSOID["WGS 84",6378137,298.257223563,
                    LENGTHUNIT["metre",1]],
                ENSEMBLEACCURACY[2.0]],
            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["Horizontal component of 3D system."],
                AREA["World."],
                BBOX[-90,-180,90,180]],
            ID["EPSG",4326]]],
    ABRIDGEDTRANSFORMATION["NAD83(HARN) to WGS 84 (1)",
        METHOD["Geocentric translations (geog2D domain)",
            ID["EPSG",9603]],
        PARAMETER["X-axis translation",0,
            ID["EPSG",8605]],
        PARAMETER["Y-axis translation",0,
            ID["EPSG",8606]],
        PARAMETER["Z-axis translation",0,
            ID["EPSG",8607]],
        USAGE[
            SCOPE["(null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences."],
            AREA["American Samoa - onshore - Tutuila, Aunu'u, Ofu, Olesega, Ta'u and Rose islands. Guam - onshore. Northern Mariana Islands - onshore. Puerto Rico - onshore. United States (USA) - onshore Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin and Wyoming; offshore Gulf of Mexico continental shelf (GoM OCS). US Virgin Islands - onshore."],
            BBOX[-14.59,144.58,71.4,-64.51]],
        ID["EPSG",1580],
        REMARK["For many purposes NAD83(HARN) can be considered to be coincident with WGS 84."]]]

Definition: PROJ.4

+proj=lcc +lat_1=-14.2666666666667 +lat_0=-14.2666666666667 +lon_0=-170 +k_0=1 +x_0=152400.30480061 +y_0=95169.3116586233 +ellps=clrk66 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:3102","+proj=lcc +lat_1=-14.2666666666667 +lat_0=-14.2666666666667 +lon_0=-170 +k_0=1 +x_0=152400.30480061 +y_0=95169.3116586233 +ellps=clrk66 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs");

Definition: JSON

{
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    "type": "BoundCRS",
    "source_crs": {
        "type": "BoundCRS",
        "source_crs": {
            "type": "ProjectedCRS",
            "name": "American Samoa 1962 / American Samoa Lambert",
            "base_crs": {
                "name": "American Samoa 1962",
                "datum": {
                    "type": "GeodeticReferenceFrame",
                    "name": "American Samoa 1962",
                    "ellipsoid": {
                        "name": "Clarke 1866",
                        "semi_major_axis": 6378206.4,
                        "semi_minor_axis": 6356583.8
                    }
                },
                "coordinate_system": {
                    "subtype": "ellipsoidal",
                    "axis": [
                        {
                            "name": "Geodetic latitude",
                            "abbreviation": "Lat",
                            "direction": "north",
                            "unit": "degree"
                        },
                        {
                            "name": "Geodetic longitude",
                            "abbreviation": "Lon",
                            "direction": "east",
                            "unit": "degree"
                        }
                    ]
                },
                "id": {
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                    "code": 4169
                }
            },
            "conversion": {
                "name": "American Samoa Lambert",
                "method": {
                    "name": "Lambert Conic Conformal (1SP)",
                    "id": {
                        "authority": "EPSG",
                        "code": 9801
                    }
                },
                "parameters": [
                    {
                        "name": "Latitude of natural origin",
                        "value": -14.2666666666667,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8801
                        }
                    },
                    {
                        "name": "Longitude of natural origin",
                        "value": -170,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8802
                        }
                    },
                    {
                        "name": "Scale factor at natural origin",
                        "value": 1,
                        "unit": "unity",
                        "id": {
                            "authority": "EPSG",
                            "code": 8805
                        }
                    },
                    {
                        "name": "False easting",
                        "value": 500000,
                        "unit": {
                            "type": "LinearUnit",
                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
                        },
                        "id": {
                            "authority": "EPSG",
                            "code": 8806
                        }
                    },
                    {
                        "name": "False northing",
                        "value": 312234.65,
                        "unit": {
                            "type": "LinearUnit",
                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
                        },
                        "id": {
                            "authority": "EPSG",
                            "code": 8807
                        }
                    }
                ]
            },
            "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
                        }
                    }
                ]
            },
            "id": {
                "authority": "EPSG",
                "code": 3102
            }
        },
        "target_crs": {
            "type": "GeographicCRS",
            "name": "NAD83(HARN)",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (High Accuracy Reference Network)",
                "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": 4152
            }
        },
        "transformation": {
            "name": "American Samoa 1962 to NAD83(HARN) (2)",
            "method": {
                "name": "NADCON",
                "id": {
                    "authority": "EPSG",
                    "code": 9613
                }
            },
            "parameters": [
                {
                    "name": "Latitude difference file",
                    "value": "eshpgn.las",
                    "id": {
                        "authority": "EPSG",
                        "code": 8657
                    }
                },
                {
                    "name": "Longitude difference file",
                    "value": "eshpgn.los",
                    "id": {
                        "authority": "EPSG",
                        "code": 8658
                    }
                }
            ],
            "id": {
                "authority": "EPSG",
                "code": 1579
            }
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "WGS 84",
        "datum_ensemble": {
            "name": "World Geodetic System 1984 ensemble",
            "members": [
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                    }
                },
                {
                    "name": "World Geodetic System 1984 (G730)",
                    "id": {
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                    }
                },
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                    "name": "World Geodetic System 1984 (G873)",
                    "id": {
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                        "code": 1153
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1150)",
                    "id": {
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                        "code": 1154
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1674)",
                    "id": {
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                    }
                },
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                    "name": "World Geodetic System 1984 (G1762)",
                    "id": {
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                    }
                },
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                    "name": "World Geodetic System 1984 (G2139)",
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                        "code": 1309
                    }
                }
            ],
            "ellipsoid": {
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                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257223563
            },
            "accuracy": "2.0",
            "id": {
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                "code": 6326
            }
        },
        "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": 4326
        }
    },
    "transformation": {
        "name": "NAD83(HARN) to WGS 84 (1)",
        "source_crs": {
            "type": "GeographicCRS",
            "name": "NAD83(HARN)",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (High Accuracy Reference Network)",
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                }
            },
            "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": 4152
            }
        },
        "method": {
            "name": "Geocentric translations (geog2D domain)",
            "id": {
                "authority": "EPSG",
                "code": 9603
            }
        },
        "parameters": [
            {
                "name": "X-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8605
                }
            },
            {
                "name": "Y-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8606
                }
            },
            {
                "name": "Z-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8607
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 1580
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_1=-14.2666666666667"
	"lat_0=-14.2666666666667"
	"lon_0=-170"
	"k_0=1"
	"x_0=152400.30480061"
	"y_0=95169.3116586233"
	"ellps=clrk66"
	"towgs84=0,0,0,0,0,0,0"
	"units=us-ft"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_1=-14.2666666666667 +lat_0=-14.2666666666667 +lon_0=-170 +k_0=1 +x_0=152400.30480061 +y_0=95169.3116586233 +ellps=clrk66 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_1=-14.2666666666667 +lat_0=-14.2666666666667 +lon_0=-170 +k_0=1 +x_0=152400.30480061 +y_0=95169.3116586233 +ellps=clrk66 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs">
	</Layer>
</Map>