EPSG:CODE

EPSG:9303 — HS2-VRF height

Vertical · UK - London to Birmingham and Crewe

Export Formats

OGC WKT
VERT_CS[
    "HS2-VRF height",
    VERT_DATUM["HS2 Vertical Reference Frame",2005,AUTHORITY["EPSG","1265"]],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","9303"]
]

Related Coordinate Systems

Available Transformations (1)

Transformation Source → Target Accuracy (m)
ETRS89-GBR [OSNet v2009] to HS2-VRF height (1)
11008 → 9303 0.001

Frequently Asked Questions

How do I add EPSG:9303 to GeoServer?

Add the following definition to your GeoServer configuration: 

9303=VERT_CS["HS2-VRF height",VERT_DATUM["HS2 Vertical Reference Frame",2005,AUTHORITY["EPSG","1265"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9303"]]
Read the full GeoServer guide →

How do I add EPSG:9303 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9303, 'EPSG', 9303, '+vunits=m +no_defs +type=crs', 'VERT_CS["HS2-VRF height",VERT_DATUM["HS2 Vertical Reference Frame",2005,AUTHORITY["EPSG","1265"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9303"]]');
Read the full PostGIS guide →

How do I add EPSG:9303 to MapServer?

Add the following definition to your MapServer configuration: 

PROJECTION
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:9303 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:9303", "+vunits=m +no_defs +type=crs");
Read the full Proj4js guide →