Geodetic CRS: American Samoa 1962
Datum: American Samoa 1962
Ellipsoid: Clarke 1866
Prime meridian: Greenwich
Data source: EPSG
Information source: National Geodetic Survey, www.ngs.noaa.gov
Revision date: 2018-07-17
Scope: Geodesy.
Remarks: Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°.
Method: NADCON5 (2D)
Area of use: American Samoa - Tutuila, Aunu'u, Ofu, Olesega and Ta'u islands.
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["American Samoa 1962 to NAD83(HARN) (3)", VERSION["NGS-Asm Nadcon5"], SOURCECRS[ 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[ 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]]], METHOD["NADCON5 (2D)", ID["EPSG",1074]], PARAMETERFILE["Latitude difference file","nadcon5.as62.nad83_1993.as.lat.trn.20160901.b"], PARAMETERFILE["Longitude difference file","nadcon5.as62.nad83_1993.as.lon.trn.20160901.b"], OPERATIONACCURACY[5.0], USAGE[ SCOPE["Geodesy."], AREA["American Samoa - Tutuila, Aunu'u, Ofu, Olesega and Ta'u islands."], BBOX[-14.43,-170.88,-14.11,-169.38]], ID["EPSG",8662], REMARK["Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°."]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json", "type": "Transformation", "name": "American Samoa 1962 to NAD83(HARN) (3)", "source_crs": { "type": "GeographicCRS", "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": { "authority": "EPSG", "code": 4169 } }, "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 } }, "method": { "name": "NADCON5 (2D)", "id": { "authority": "EPSG", "code": 1074 } }, "parameters": [ { "name": "Latitude difference file", "value": "nadcon5.as62.nad83_1993.as.lat.trn.20160901.b", "id": { "authority": "EPSG", "code": 8657 } }, { "name": "Longitude difference file", "value": "nadcon5.as62.nad83_1993.as.lon.trn.20160901.b", "id": { "authority": "EPSG", "code": 8658 } } ], "accuracy": "5.0", "scope": "Geodesy.", "area": "American Samoa - Tutuila, Aunu'u, Ofu, Olesega and Ta'u islands.", "bbox": { "south_latitude": -14.43, "west_longitude": -170.88, "north_latitude": -14.11, "east_longitude": -169.38 }, "id": { "authority": "EPSG", "code": 8662 }, "remarks": "Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°." }