EPSG:19916

British National Grid

Attributes

Data source: EPSG

Information source: Ordnance Survey of Great Britain. http://www.gps.gov.uk/additionalInfo/images/A_guide_to_coord.pdf

Revision date: 2016-09-29

Scope: Engineering survey, topographic mapping.

Remarks: With the introduction of OSTN15, the area for the British National Grid has effectively been extended from Britain to cover the adjacent UK Continental Shelf.

Method: Transverse Mercator

Area of use: United Kingdom (UK) - offshore to boundary of UKCS within 49°45'N to 61°N and 9°W to 2°E; onshore Great Britain (England, Wales and Scotland). Isle of Man onshore.

Description: (0,)

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SimpleMap
United Kingdom (UK) - offshore to boundary of UKCS within 49°45'N to 61°N and 9°W to 2°E; onshore Great Britain (England, Wales and Scotland). Isle of Man onshore.

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Definition: OGC Well Known Text

PROJECTION["Transverse_Mercator"],
PARAMETER["latitude_of_origin",49],
PARAMETER["central_meridian",-2],
PARAMETER["scale_factor",0.9996012717],
PARAMETER["false_easting",400000],
PARAMETER["false_northing",-100000]

Definition: OGC Well Known Text 2 (2019)

CONVERSION["British National Grid",
    METHOD["Transverse Mercator",
        ID["EPSG",9807]],
    PARAMETER["Latitude of natural origin",49,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8801]],
    PARAMETER["Longitude of natural origin",-2,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8802]],
    PARAMETER["Scale factor at natural origin",0.9996012717,
        SCALEUNIT["unity",1],
        ID["EPSG",8805]],
    PARAMETER["False easting",400000,
        LENGTHUNIT["metre",1],
        ID["EPSG",8806]],
    PARAMETER["False northing",-100000,
        LENGTHUNIT["metre",1],
        ID["EPSG",8807]],
    ID["EPSG",19916]]

Definition: ESRI Well Known Text

PROJECTION["Transverse_Mercator"],
PARAMETER["False_Easting",400000.0],
PARAMETER["False_Northing",-100000.0],
PARAMETER["Central_Meridian",-2.0],
PARAMETER["Scale_Factor",0.9996012717],
PARAMETER["Latitude_Of_Origin",49.0]

Definition: PROJ.4

+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:19916","+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Conversion",
    "name": "British National Grid",
    "method": {
        "name": "Transverse Mercator",
        "id": {
            "authority": "EPSG",
            "code": 9807
        }
    },
    "parameters": [
        {
            "name": "Latitude of natural origin",
            "value": 49,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8801
            }
        },
        {
            "name": "Longitude of natural origin",
            "value": -2,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8802
            }
        },
        {
            "name": "Scale factor at natural origin",
            "value": 0.9996012717,
            "unit": "unity",
            "id": {
                "authority": "EPSG",
                "code": 8805
            }
        },
        {
            "name": "False easting",
            "value": 400000,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8806
            }
        },
        {
            "name": "False northing",
            "value": -100000,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8807
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 19916
    }
}

Definition: GeoServer

19916=PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",49],PARAMETER["central_meridian",-2],PARAMETER["scale_factor",0.9996012717],PARAMETER["false_easting",400000],PARAMETER["false_northing",-100000]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=49"
	"lon_0=-2"
	"k=0.9996012717"
	"x_0=400000"
	"y_0=-100000"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000">
	<Layer srs="+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 19916, 'EPSG', 19916, '+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000', 'PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",49],PARAMETER["central_meridian",-2],PARAMETER["scale_factor",0.9996012717],PARAMETER["false_easting",400000],PARAMETER["false_northing",-100000]');