EPSG:CODE

EPSG:9739 — EOS21-IRF

Geographic 2D · UK - Tweedmouth to Aberdeen

Export Formats

OGC WKT
GEOGCS[
    "EOS21-IRF",
    DATUM[
        "EOS21_Intermediate_Reference_Frame",
        SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],
        AUTHORITY["EPSG","1308"]
    ],
    PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","9739"]
]

Related Coordinate Systems

Available Transformations (1)

Transformation Source → Target Accuracy (m)
ETRS89-GBR [OSNet v2009] to EOS21-IRF (1)
11009 → 9739 0

Other CRS using EOS21 Intermediate Reference Frame

Frequently Asked Questions

How do I add EPSG:9739 to GeoServer?

Add the following definition to your GeoServer configuration: 

9739=GEOGCS["EOS21-IRF",DATUM["EOS21_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1308"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9739"]]
Read the full GeoServer guide →

How do I add EPSG:9739 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9739, 'EPSG', 9739, '+proj=longlat +ellps=GRS80 +no_defs +type=crs', 'GEOGCS["EOS21-IRF",DATUM["EOS21_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1308"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9739"]]');
Read the full PostGIS guide →

How do I add EPSG:9739 to MapServer?

Add the following definition to your MapServer configuration: 

PROJECTION
  "+proj=longlat"
  "+ellps=GRS80"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:9739 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:9739", "+proj=longlat +ellps=GRS80 +no_defs +type=crs");
Read the full Proj4js guide →