EPSG:4169

American Samoa 1962

Selected transformation

Name: American Samoa 1962 to WGS 84 (2)

Grid Files: wshpgn.las wshpgn.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: degree (supplier to define representation)

Geodetic CRS: American Samoa 1962

Datum: American Samoa 1962

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: EPSG

Information source: NIMA TR8350.2 revision of January 2000 and ftp://ftp.ngs.noaa.gov/pub/pcsoft/nadcon/samoa_readme.txt

Revision date: 2005-05-21

Center coordinates
-170.69 -14.32

WGS84 bounds:
-170.88 -14.43
-170.51 -14.2

American Samoa - Tutuila island.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
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                GEOGCRS["American Samoa 1962",
                    DATUM["American Samoa 1962",
                        ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
                            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",4169]]],
            TARGETCRS[
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                    DATUM["NAD83 (High Accuracy Reference Network)",
                        ELLIPSOID["GRS 1980",6378137,298.257222101,
                            LENGTHUNIT["metre",1]]],
                    PRIMEM["Greenwich",0,
                        ANGLEUNIT["degree",0.0174532925199433]],
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                        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],
                    REMARK["In CONUS, AK, HI and PRVI replaces NAD83 for applications with an accuracy of better than 1m. Replaced by NAD83(FBN) in CONUS, American Samoa and Guam / NMI, by NAD83(NSRS2007) in Alaska, by NAD83(PA11) in Hawaii and by NAD83(HARN Corrected) in PRVI."]]],
            ABRIDGEDTRANSFORMATION["American Samoa 1962 to NAD83(HARN) (1)",
                METHOD["NADCON",
                    ID["EPSG",9613]],
                PARAMETERFILE["Latitude difference file","wshpgn.las"],
                PARAMETERFILE["Longitude difference file","wshpgn.los"],
                ID["EPSG",1578]]]],
    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)"],
                MEMBER["World Geodetic System 1984 (G2296)"],
                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 plus 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=longlat +ellps=clrk66 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:4169","+proj=longlat +ellps=clrk66 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs");

Definition: JSON

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                    "semi_minor_axis": 6356583.8
                }
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                        "direction": "east",
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        },
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                "id": {
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    "target_crs": {
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        "datum_ensemble": {
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                    "id": {
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                    "name": "World Geodetic System 1984 (G873)",
                    "id": {
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                {
                    "name": "World Geodetic System 1984 (G1150)",
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                },
                {
                    "name": "World Geodetic System 1984 (G1674)",
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                {
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                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257223563
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            "accuracy": "2.0",
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        },
        "coordinate_system": {
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                    "unit": "degree"
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        },
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    },
    "transformation": {
        "name": "NAD83(HARN) to WGS 84 (1)",
        "source_crs": {
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            "name": "NAD83(HARN)",
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                        "direction": "east",
                        "unit": "degree"
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        },
        "method": {
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                "name": "Y-axis translation",
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        "id": {
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    }
}

Definition: MapServer - MAPfile

PROJECTION
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	"ellps=clrk66"
	"towgs84=0,0,0,0,0,0,0"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

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