EPSG:26730

NAD27 / Alabama West

Available transformations
to EPSG:4152
EPSG:4152 - NAD83(HARN)

Selected transformation

Remarks: May be taken as approximate transformation NAD27 to WGS 84 - see code 8622.

Information source: US Coast & Geodetic Survey www.ngs.noaa.gov NADCON readme file

Revision date: 1999-10-20

Attributes

Unit: US survey foot

Geodetic CRS: NAD27

Datum: North American Datum 1927

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: EPSG

Revision date: 1995-06-02

Scope: Engineering survey, topographic mapping.

Area of use: United States (USA) - Alabama west of approximately 86°37'W - counties Autauga; Baldwin; Bibb; Blount; Butler; Chilton; Choctaw; Clarke; Colbert; Conecuh; Cullman; Dallas; Escambia; Fayette; Franklin; Greene; Hale; Jefferson; Lamar; Lauderdale; Lawrence; Limestone; Lowndes; Marengo; Marion; Mobile; Monroe; Morgan; Perry; Pickens; Shelby; Sumter; Tuscaloosa; Walker; Washington; Wilcox; Winston.

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

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SimpleMap

Center coordinates
-2843301.51 5436982.55

Projected bounds:
-3974579.1 4670373.5
-1771053.75 6251783.6

WGS84 bounds:
-104.07 42.48
-96.43 45.95

United States (USA) - South Dakota.
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Definition: OGC Well Known Text

PROJCS["NAD27 / Alabama West",
    GEOGCS["NAD27",
        DATUM["North_American_Datum_1927",
            SPHEROID["Clarke 1866",6378206.4,294.978698213898,
                AUTHORITY["EPSG","7008"]],
            AUTHORITY["EPSG","6267"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4267"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",30],
    PARAMETER["central_meridian",-87.5],
    PARAMETER["scale_factor",0.999933333],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["US survey foot",0.304800609601219,
        AUTHORITY["EPSG","9003"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","26730"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["NAD27 / Alabama West",
    BASEGEOGCRS["NAD27",
        DATUM["North American Datum 1927",
            ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4267]],
    CONVERSION["Alabama CS27 West zone",
        METHOD["Transverse Mercator",
            ID["EPSG",9807]],
        PARAMETER["Latitude of natural origin",30,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",-87.5,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",0.999933333,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",500000,
            LENGTHUNIT["US survey foot",0.304800609601219],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            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]],
    USAGE[
        SCOPE["Engineering survey, topographic mapping."],
        AREA["United States (USA) - Alabama west of approximately 86°37'W - counties Autauga; Baldwin; Bibb; Blount; Butler; Chilton; Choctaw; Clarke; Colbert; Conecuh; Cullman; Dallas; Escambia; Fayette; Franklin; Greene; Hale; Jefferson; Lamar; Lauderdale; Lawrence; Limestone; Lowndes; Marengo; Marion; Mobile; Monroe; Morgan; Perry; Pickens; Shelby; Sumter; Tuscaloosa; Walker; Washington; Wilcox; Winston."],
        BBOX[30.14,-88.48,35.02,-86.3]],
    ID["EPSG",26730]]

Definition: ESRI Well Known Text

PROJCS["NAD_1927_StatePlane_Alabama_West_FIPS_0102",
    GEOGCS["GCS_North_American_1927",
        DATUM["D_North_American_1927",
            SPHEROID["Clarke_1866",6378206.4,294.978698213898]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",500000.0],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",-87.5],
    PARAMETER["Scale_Factor",0.999933333],
    PARAMETER["Latitude_Of_Origin",30.0],
    UNIT["US survey foot",0.304800609601219]]

Definition: PROJ.4

+proj=tmerc +lat_0=30 +lon_0=-87.5 +k=0.999933333 +x_0=152400.30480061 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:26730","+proj=tmerc +lat_0=30 +lon_0=-87.5 +k=0.999933333 +x_0=152400.30480061 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "NAD27 / Alabama West",
    "base_crs": {
        "name": "NAD27",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum 1927",
            "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": 4267
        }
    },
    "conversion": {
        "name": "Alabama CS27 West zone",
        "method": {
            "name": "Transverse Mercator",
            "id": {
                "authority": "EPSG",
                "code": 9807
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": 30,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": -87.5,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "Scale factor at natural origin",
                "value": 0.999933333,
                "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": 0,
                "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
                }
            }
        ]
    },
    "scope": "Engineering survey, topographic mapping.",
    "area": "United States (USA) - Alabama west of approximately 86°37'W - counties Autauga; Baldwin; Bibb; Blount; Butler; Chilton; Choctaw; Clarke; Colbert; Conecuh; Cullman; Dallas; Escambia; Fayette; Franklin; Greene; Hale; Jefferson; Lamar; Lauderdale; Lawrence; Limestone; Lowndes; Marengo; Marion; Mobile; Monroe; Morgan; Perry; Pickens; Shelby; Sumter; Tuscaloosa; Walker; Washington; Wilcox; Winston.",
    "bbox": {
        "south_latitude": 30.14,
        "west_longitude": -88.48,
        "north_latitude": 35.02,
        "east_longitude": -86.3
    },
    "id": {
        "authority": "EPSG",
        "code": 26730
    }
}

Definition: GeoServer

26730=PROJCS["NAD27 / Alabama West",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898,AUTHORITY["EPSG","7008"]],AUTHORITY["EPSG","6267"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",30],PARAMETER["central_meridian",-87.5],PARAMETER["scale_factor",0.999933333],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26730"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=30"
	"lon_0=-87.5"
	"k=0.999933333"
	"x_0=152400.30480061"
	"y_0=0"
	"datum=NAD27"
	"units=us-ft"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=30 +lon_0=-87.5 +k=0.999933333 +x_0=152400.30480061 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=30 +lon_0=-87.5 +k=0.999933333 +x_0=152400.30480061 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 26730, 'EPSG', 26730, '+proj=tmerc +lat_0=30 +lon_0=-87.5 +k=0.999933333 +x_0=152400.30480061 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs', 'PROJCS["NAD27 / Alabama West",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898,AUTHORITY["EPSG","7008"]],AUTHORITY["EPSG","6267"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",30],PARAMETER["central_meridian",-87.5],PARAMETER["scale_factor",0.999933333],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26730"]]');