EPSG:11383

DrukRef23 + Bhutan Vertical Datum 2022 height

Attributes

Geodetic CRS: DrukRef23 + Bhutan Vertical Datum 2022 height

Data source: EPSG

Information source: IOGP

Revision date: 2026-02-27

Scope: Reversible geoid model transformation.

Area of use: Bhutan.

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SimpleMap

Center coordinates
90.44 27.52

Projected bounds:
88.74 26.7
92.13 28.33

WGS84 bounds:
88.74 26.7
92.13 28.33

Bhutan.
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Definition: OGC Well Known Text

COMPD_CS["DrukRef23 + Bhutan Vertical Datum 2022 height",
    GEOGCS["DrukRef23",
        DATUM["National_Reference_Frame_of_Bhutan_2023",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            AUTHORITY["EPSG","1448"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","11226"]],
    VERT_CS["Bhutan Vertical Datum 2022 height",
        VERT_DATUM["Bhutan Vertical Datum 2022",2005,
            AUTHORITY["EPSG","1451"]],
        UNIT["metre",1,
            AUTHORITY["EPSG","9001"]],
        AXIS["Gravity-related height",UP],
        AUTHORITY["EPSG","11338"]],
    AUTHORITY["EPSG","11383"]]

Definition: OGC Well Known Text 2 (2019)

COMPOUNDCRS["DrukRef23 + Bhutan Vertical Datum 2022 height",
    GEOGCRS["DrukRef23",
        DATUM["National Reference Frame of Bhutan 2023",
            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]]],
    VERTCRS["Bhutan Vertical Datum 2022 height",
        VDATUM["Bhutan Vertical Datum 2022"],
        CS[vertical,1],
            AXIS["gravity-related height (H)",up,
                LENGTHUNIT["metre",1]]],
    USAGE[
        SCOPE["Reversible geoid model transformation."],
        AREA["Bhutan."],
        BBOX[26.7,88.74,28.33,92.13]],
    ID["EPSG",11383]]

Definition: ESRI Well Known Text

GEOGCS["GCS_DrukRef23",
    DATUM["D_National_Reference_Frame_of_Bhutan_2023",
        SPHEROID["GRS_1980",6378137.0,298.257222101]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]],
VERTCS["Bhutan_Vertical_Datum_2022_height",
    VDATUM["Bhutan_Vertical_Datum_2022"],
    PARAMETER["Vertical_Shift",0.0],
    PARAMETER["Direction",1.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:11383","+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "CompoundCRS",
    "name": "DrukRef23 + Bhutan Vertical Datum 2022 height",
    "components": [
        {
            "type": "GeographicCRS",
            "name": "DrukRef23",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "National Reference Frame of Bhutan 2023",
                "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"
                    }
                ]
            },
            "remarks": "Replaces DRUKREF 03 (CRS code 5264)."
        },
        {
            "type": "VerticalCRS",
            "name": "Bhutan Vertical Datum 2022 height",
            "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Bhutan Vertical Datum 2022"
            },
            "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                    {
                        "name": "Gravity-related height",
                        "abbreviation": "H",
                        "direction": "up",
                        "unit": "metre"
                    }
                ]
            }
        }
    ],
    "scope": "Reversible geoid model transformation.",
    "area": "Bhutan.",
    "bbox": {
        "south_latitude": 26.7,
        "west_longitude": 88.74,
        "north_latitude": 28.33,
        "east_longitude": 92.13
    },
    "id": {
        "authority": "EPSG",
        "code": 11383
    }
}

Definition: GeoServer

11383=COMPD_CS["DrukRef23 + Bhutan Vertical Datum 2022 height",GEOGCS["DrukRef23",DATUM["National_Reference_Frame_of_Bhutan_2023",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1448"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","11226"]],VERT_CS["Bhutan Vertical Datum 2022 height",VERT_DATUM["Bhutan Vertical Datum 2022",2005,AUTHORITY["EPSG","1451"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","11338"]],AUTHORITY["EPSG","11383"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=GRS80"
	"vunits=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 11383, 'EPSG', 11383, '+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs', 'COMPD_CS["DrukRef23 + Bhutan Vertical Datum 2022 height",GEOGCS["DrukRef23",DATUM["National_Reference_Frame_of_Bhutan_2023",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1448"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","11226"]],VERT_CS["Bhutan Vertical Datum 2022 height",VERT_DATUM["Bhutan Vertical Datum 2022",2005,AUTHORITY["EPSG","1451"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","11338"]],AUTHORITY["EPSG","11383"]]');