EPSG:4608

NAD27(76)

Transform Get position on a map

Available transformations
to EPSG:8240
EPSG:8240 - NAD83(CSRS)v3

  • Canada - Ontario. , accuracy 1.0 m, code 9109 (default) [grid]

Selected transformation

Method: NTv2

Grid Files: ON76CSv1.GSB

Remarks: Derived through NAD83(CSRS)v3 but within accuracy of transformation may be assumed to apply to any version.

Information source: Land Information Ontario via ISO Geodetic Register.

Revision date: 2019-07-15

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: NAD27(76)

Datum: North American Datum 1927 (1976)

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: EPSG

Revision date: 2019-09-17

Scope: Geodesy.

Remarks: Note: this CRS includes longitudes which are POSITIVE EAST.

Area of use: Canada - Ontario.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

Covered area powered by MapTiler MapTiler logo
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Center coordinates
-84.76 49.28

WGS84 bounds:
-95.16 41.67
-74.35 56.9

Canada - Ontario.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        GEOGCRS["NAD27(76)",
            DATUM["North American Datum 1927 (1976)",
                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]],
            USAGE[
                SCOPE["Geodesy."],
                AREA["Canada - Ontario."],
                BBOX[41.67,-95.16,56.9,-74.35]],
            ID["EPSG",4608]]],
    TARGETCRS[
        GEOGCRS["NAD83(CSRS)v3",
            DATUM["North American Datum of 1983 (CSRS) version 3",
                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]],
            USAGE[
                SCOPE["Horizontal component of 3D system."],
                AREA["Canada - onshore and offshore - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon."],
                BBOX[38.21,-141.01,86.46,-40.73]],
            ID["EPSG",8240]]],
    ABRIDGEDTRANSFORMATION["NAD27(76) to NAD83(CSRS)v3 (1)",
        METHOD["NTv2",
            ID["EPSG",9615]],
        PARAMETERFILE["Latitude and longitude difference file","ON76CSv1.GSB"],
        USAGE[
            SCOPE["Geodesy."],
            AREA["Canada - Ontario."],
            BBOX[41.67,-95.16,56.9,-74.35]],
        ID["EPSG",9109],
        REMARK["Derived through NAD83(CSRS)v3 but within accuracy of transformation may be assumed to apply to any version."]]]

Definition: PROJ.4

+proj=longlat +ellps=clrk66 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4608","+proj=longlat +ellps=clrk66 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "NAD27(76)",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum 1927 (1976)",
            "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": 4608
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "NAD83(CSRS)v3",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum of 1983 (CSRS) version 3",
            "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": 8240
        }
    },
    "transformation": {
        "name": "NAD27(76) to NAD83(CSRS)v3 (1)",
        "method": {
            "name": "NTv2",
            "id": {
                "authority": "EPSG",
                "code": 9615
            }
        },
        "parameters": [
            {
                "name": "Latitude and longitude difference file",
                "value": "ON76CSv1.GSB",
                "id": {
                    "authority": "EPSG",
                    "code": 8656
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 9109
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=clrk66"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=clrk66 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=clrk66 +no_defs +type=crs">
	</Layer>
</Map>