EPSG:8801

NAD83 / Alabama East + NAVD88 height

Attributes

Geodetic CRS: NAD83 / Alabama East + NAVD88 height

Data source: EPSG

Information source: IOGP

Revision date: 2018-05-13

Scope: Engineering survey, topographic mapping.

Area of use: United States (USA) - Alabama east of approximately 86°37'W - counties Barbour; Bullock; Calhoun; Chambers; Cherokee; Clay; Cleburne; Coffee; Coosa; Covington; Crenshaw; Dale; De Kalb; Elmore; Etowah; Geneva; Henry; Houston; Jackson; Lee; Macon; Madison; Marshall; Montgomery; Pike; Randolph; Russell; St Clair; Talladega; Tallapoosa.

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SimpleMap

Center coordinates
199376.9 276640.86

Projected bounds:
108626.27 54321.99
290100.08 499449.45

WGS84 bounds:
-86.79 30.99
-84.89 35.0

United States (USA) - Alabama east of approximately 86°37'W - counties Barbour; Bullock; Calhoun; Chambers; Cherokee; Clay; Cleburne; Coffee; Coosa; Covington; Crenshaw; Dale; De Kalb; Elmore; Etowah; Geneva; Henry; Houston; Jackson; Lee; Macon; Madison; Marshall; Montgomery; Pike; Randolph; Russell; St Clair; Talladega; Tallapoosa.
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Definition: OGC Well Known Text

COMPD_CS["NAD83 / Alabama East + NAVD88 height",
    PROJCS["NAD83 / Alabama East",
        GEOGCS["NAD83",
            DATUM["North_American_Datum_1983",
                SPHEROID["GRS 1980",6378137,298.257222101,
                    AUTHORITY["EPSG","7019"]],
                AUTHORITY["EPSG","6269"]],
            PRIMEM["Greenwich",0,
                AUTHORITY["EPSG","8901"]],
            UNIT["degree",0.0174532925199433,
                AUTHORITY["EPSG","9122"]],
            AUTHORITY["EPSG","4269"]],
        PROJECTION["Transverse_Mercator"],
        PARAMETER["latitude_of_origin",30.5],
        PARAMETER["central_meridian",-85.8333333333333],
        PARAMETER["scale_factor",0.99996],
        PARAMETER["false_easting",200000],
        PARAMETER["false_northing",0],
        UNIT["metre",1,
            AUTHORITY["EPSG","9001"]],
        AXIS["Easting",EAST],
        AXIS["Northing",NORTH],
        AUTHORITY["EPSG","26929"]],
    VERT_CS["NAVD88 height",
        VERT_DATUM["North American Vertical Datum 1988",2005,
            AUTHORITY["EPSG","5103"]],
        UNIT["metre",1,
            AUTHORITY["EPSG","9001"]],
        AXIS["Gravity-related height",UP],
        AUTHORITY["EPSG","5703"]],
    AUTHORITY["EPSG","8801"]]

Definition: OGC Well Known Text 2 (2019)

COMPOUNDCRS["NAD83 / Alabama East + NAVD88 height",
    PROJCRS["NAD83 / Alabama East",
        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 Alabama East zone (meter)",
            METHOD["Transverse Mercator",
                ID["EPSG",9807]],
            PARAMETER["Latitude of natural origin",30.5,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8801]],
            PARAMETER["Longitude of natural origin",-85.8333333333333,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8802]],
            PARAMETER["Scale factor at natural origin",0.99996,
                SCALEUNIT["unity",1],
                ID["EPSG",8805]],
            PARAMETER["False easting",200000,
                LENGTHUNIT["metre",1],
                ID["EPSG",8806]],
            PARAMETER["False northing",0,
                LENGTHUNIT["metre",1],
                ID["EPSG",8807]]],
        CS[Cartesian,2],
            AXIS["easting (X)",east,
                ORDER[1],
                LENGTHUNIT["metre",1]],
            AXIS["northing (Y)",north,
                ORDER[2],
                LENGTHUNIT["metre",1]]],
    VERTCRS["NAVD88 height",
        VDATUM["North American Vertical Datum 1988"],
        CS[vertical,1],
            AXIS["gravity-related height (H)",up,
                LENGTHUNIT["metre",1]]],
    USAGE[
        SCOPE["Engineering survey, topographic mapping."],
        AREA["United States (USA) - Alabama east of approximately 86°37'W - counties Barbour; Bullock; Calhoun; Chambers; Cherokee; Clay; Cleburne; Coffee; Coosa; Covington; Crenshaw; Dale; De Kalb; Elmore; Etowah; Geneva; Henry; Houston; Jackson; Lee; Macon; Madison; Marshall; Montgomery; Pike; Randolph; Russell; St Clair; Talladega; Tallapoosa."],
        BBOX[30.99,-86.79,35,-84.89]],
    ID["EPSG",8801]]

Definition: ESRI Well Known Text

PROJCS["NAD_1983_StatePlane_Alabama_East_FIPS_0101",
    GEOGCS["GCS_North_American_1983",
        DATUM["D_North_American_1983",
            SPHEROID["GRS_1980",6378137.0,298.257222101]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",200000.0],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",-85.8333333333333],
    PARAMETER["Scale_Factor",0.99996],
    PARAMETER["Latitude_Of_Origin",30.5],
    UNIT["Meter",1.0]],
VERTCS["NAVD_1988",
    VDATUM["North_American_Vertical_Datum_1988"],
    PARAMETER["Vertical_Shift",0.0],
    PARAMETER["Direction",1.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=tmerc +lat_0=30.5 +lon_0=-85.8333333333333 +k=0.99996 +x_0=200000 +y_0=0 +datum=NAD83 +units=m +vunits=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:8801","+proj=tmerc +lat_0=30.5 +lon_0=-85.8333333333333 +k=0.99996 +x_0=200000 +y_0=0 +datum=NAD83 +units=m +vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "CompoundCRS",
    "name": "NAD83 / Alabama East + NAVD88 height",
    "components": [
        {
            "type": "ProjectedCRS",
            "name": "NAD83 / Alabama East",
            "base_crs": {
                "type": "GeographicCRS",
                "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
                },
                "remarks": "Longitude is POSITIVE EAST. The adjustment included connections to Greenland and Mexico but the system was not adopted there. For applications with an accuracy of better than 1m replaced by NAD83(HARN) in the US and PRVI and by NAD83(CSRS) in Canada."
            },
            "conversion": {
                "name": "SPCS83 Alabama East zone (meter)",
                "method": {
                    "name": "Transverse Mercator",
                    "id": {
                        "authority": "EPSG",
                        "code": 9807
                    }
                },
                "parameters": [
                    {
                        "name": "Latitude of natural origin",
                        "value": 30.5,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8801
                        }
                    },
                    {
                        "name": "Longitude of natural origin",
                        "value": -85.8333333333333,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8802
                        }
                    },
                    {
                        "name": "Scale factor at natural origin",
                        "value": 0.99996,
                        "unit": "unity",
                        "id": {
                            "authority": "EPSG",
                            "code": 8805
                        }
                    },
                    {
                        "name": "False easting",
                        "value": 200000,
                        "unit": "metre",
                        "id": {
                            "authority": "EPSG",
                            "code": 8806
                        }
                    },
                    {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                            "authority": "EPSG",
                            "code": 8807
                        }
                    }
                ]
            },
            "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                    {
                        "name": "Easting",
                        "abbreviation": "X",
                        "direction": "east",
                        "unit": "metre"
                    },
                    {
                        "name": "Northing",
                        "abbreviation": "Y",
                        "direction": "north",
                        "unit": "metre"
                    }
                ]
            }
        },
        {
            "type": "VerticalCRS",
            "name": "NAVD88 height",
            "datum": {
                "type": "VerticalReferenceFrame",
                "name": "North American Vertical Datum 1988"
            },
            "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                    {
                        "name": "Gravity-related height",
                        "abbreviation": "H",
                        "direction": "up",
                        "unit": "metre"
                    }
                ]
            }
        }
    ],
    "scope": "Engineering survey, topographic mapping.",
    "area": "United States (USA) - Alabama east of approximately 86°37'W - counties Barbour; Bullock; Calhoun; Chambers; Cherokee; Clay; Cleburne; Coffee; Coosa; Covington; Crenshaw; Dale; De Kalb; Elmore; Etowah; Geneva; Henry; Houston; Jackson; Lee; Macon; Madison; Marshall; Montgomery; Pike; Randolph; Russell; St Clair; Talladega; Tallapoosa.",
    "bbox": {
        "south_latitude": 30.99,
        "west_longitude": -86.79,
        "north_latitude": 35,
        "east_longitude": -84.89
    },
    "id": {
        "authority": "EPSG",
        "code": 8801
    }
}

Definition: GeoServer

8801=COMPD_CS["NAD83 / Alabama East + NAVD88 height",PROJCS["NAD83 / Alabama East",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",30.5],PARAMETER["central_meridian",-85.8333333333333],PARAMETER["scale_factor",0.99996],PARAMETER["false_easting",200000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26929"]],VERT_CS["NAVD88 height",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5703"]],AUTHORITY["EPSG","8801"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=30.5"
	"lon_0=-85.8333333333333"
	"k=0.99996"
	"x_0=200000"
	"y_0=0"
	"datum=NAD83"
	"units=m"
	"vunits=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=30.5 +lon_0=-85.8333333333333 +k=0.99996 +x_0=200000 +y_0=0 +datum=NAD83 +units=m +vunits=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=30.5 +lon_0=-85.8333333333333 +k=0.99996 +x_0=200000 +y_0=0 +datum=NAD83 +units=m +vunits=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 8801, 'EPSG', 8801, '+proj=tmerc +lat_0=30.5 +lon_0=-85.8333333333333 +k=0.99996 +x_0=200000 +y_0=0 +datum=NAD83 +units=m +vunits=m +no_defs +type=crs', 'COMPD_CS["NAD83 / Alabama East + NAVD88 height",PROJCS["NAD83 / Alabama East",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",30.5],PARAMETER["central_meridian",-85.8333333333333],PARAMETER["scale_factor",0.99996],PARAMETER["false_easting",200000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26929"]],VERT_CS["NAVD88 height",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5703"]],AUTHORITY["EPSG","8801"]]');