EPSG:7900 — ITRF88

Geographic 3D · World

Export Formats

WKT2

GEOGCRS[
    "ITRF88",
    DYNAMIC[FRAMEEPOCH[1988.0]],
    DATUM[
        "International Terrestrial Reference Frame 1988",
        ELLIPSOID[
            "GRS 1980",
            6378137,
            298.257222101,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",7019]
        ],
        ID["EPSG",6647]
    ],
    CS[ellipsoidal,3,ID["EPSG",6423]],
    AXIS[
        "Geodetic latitude (Lat)",
        north,
        ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]
    ],
    AXIS[
        "Geodetic longitude (Lon)",
        east,
        ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]
    ],
    AXIS["Ellipsoidal height (h)",up,LENGTHUNIT["metre",1,ID["EPSG",9001]]],
    ID["EPSG",7900]
]

PROJ.4

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

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:7900", "+proj=longlat +ellps=GRS80 +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 7900,
  "name": "ITRF88",
  "kind": "geographic 3D",
  "area": "World",
  "unit": "degree (supplier to define representation)",
  "bbox": [
    -90,
    -180,
    90,
    180
  ],
  "proj4": "+proj=longlat +ellps=GRS80 +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (7900, 'EPSG', 7900, '+proj=longlat +ellps=GRS80 +no_defs +type=crs', '');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=longlat"
  "+ellps=GRS80"
  "+no_defs"
  "+type=crs"
END

Related Coordinate Systems

Available Transformations (8)

Transformations inherited from base CRS: EPSG:4910 (ITRF88)

Transformation	Source → Target	Accuracy (m)
ITRF88 to ITRF2000 (1)	4910 → 4919	0.01
ITRF88 to ITRF2008 (1)	4910 → 5332	0.01
ITRF88 to ITRF2014 (1)	4910 → 7789	0.01
ITRF88 to ITRF89 (1)	4910 → 4911	0.01
ITRF88 to ITRF2020 (1)	4910 → 9988	0.01
ITRF88 to ITRF89 (2)	4910 → 4911	0.01
ITRF88 to ITRF2000 (1) Deprecated	4910 → 4919	0
ITRF88 to ITRF2000 (1) Deprecated	4910 → 4919	0

Other CRS using International Terrestrial Reference Frame 1988

Frequently Asked Questions

How do I add EPSG:7900 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (7900, 'EPSG', 7900, '+proj=longlat +ellps=GRS80 +no_defs +type=crs', '');

Read the full PostGIS guide →

How do I add EPSG:7900 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:7900 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:7900", "+proj=longlat +ellps=GRS80 +no_defs +type=crs");

Read the full Proj4js guide →