EPSG:5773

EGM96 height

Attributes

Unit: metre

Geodetic CRS: EGM96 height

Datum: EGM96 geoid

Data source: EPSG

Information source: Lemoine, F. G. et al (July 1998). “The Development of the Joint NASA GSFC and NIMA Geopotential Model EGM96”. NASA Goddard Space Flight Center. Greenbelt, Maryland, 20771 USA, downloadable from https://ntrs.nasa.gov/citations/1998021881

Revision date: 2025-06-28

Scope: Geodesy.

Remarks: Zero-height surface approximating mean sea level resulting from the application of the EGM96 spherical harmonic coefficients to the WGS 84 ellipsoid. May be approximated by application of the EGM96 geoid model grid. Replaces EGM84 height (CRS code 5798). Replaced by EGM2008 height (CRS code 3855).

Area of use: World.

Coordinate system: Vertical CS. Axis: height (H). Orientation: up. UoM: m.

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SimpleMap

Center coordinates
0.0 0.0

Projected bounds:
-90.0 -180.0
90.0 180.0

WGS84 bounds:
-180.0 -90.0
180.0 90.0

World.
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Definition: OGC Well Known Text

VERT_CS["EGM96 height",
    VERT_DATUM["EGM96 geoid",2005,
        AUTHORITY["EPSG","5171"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","5773"]]

Definition: OGC Well Known Text 2 (2019)

VERTCRS["EGM96 height",
    VDATUM["EGM96 geoid"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy."],
        AREA["World."],
        BBOX[-90,-180,90,180]],
    ID["EPSG",5773]]

Definition: ESRI Well Known Text

VERTCS["EGM96_height",
    VDATUM["EGM96_Geoid"],
    PARAMETER["Vertical_Shift",0.0],
    PARAMETER["Direction",1.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+vunits=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:5773","+vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalCRS",
    "name": "EGM96 height",
    "datum": {
        "type": "VerticalReferenceFrame",
        "name": "EGM96 geoid"
    },
    "coordinate_system": {
        "subtype": "vertical",
        "axis": [
            {
                "name": "Gravity-related height",
                "abbreviation": "H",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy.",
    "area": "World.",
    "bbox": {
        "south_latitude": -90,
        "west_longitude": -180,
        "north_latitude": 90,
        "east_longitude": 180
    },
    "id": {
        "authority": "EPSG",
        "code": 5773
    }
}

Definition: GeoServer

5773=VERT_CS["EGM96 height",VERT_DATUM["EGM96 geoid",2005,AUTHORITY["EPSG","5171"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5773"]]

Definition: MapServer - MAPfile

PROJECTION
	"vunits=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

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

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5773, 'EPSG', 5773, '+vunits=m +no_defs +type=crs', 'VERT_CS["EGM96 height",VERT_DATUM["EGM96 geoid",2005,AUTHORITY["EPSG","5171"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5773"]]');