EPSG:3988 — Katanga 1955 / Katanga Gauss zone C

Projected · Congo DR (Zaire) - Katanga 24.5°E to 27.5°E

Export Formats

OGC WKT

PROJCS[
    "Katanga 1955 / Katanga Gauss zone C",
    GEOGCS[
        "Katanga 1955",
        DATUM[
            "Katanga_1955",
            SPHEROID["Clarke 1866",6378206.4,294.978698213898],
            TOWGS84[-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4695"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",-9],
    PARAMETER["central_meridian",26],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",200000],
    PARAMETER["false_northing",500000],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","3988"]
]

WKT2

PROJCRS[
    "Katanga 1955 / Katanga Gauss zone C",
    BASEGEOGCRS[
        "Katanga 1955",
        DATUM[
            "Katanga 1955",
            ELLIPSOID[
                "Clarke 1866",
                6378206.4,
                294.978698213898,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7008]
            ],
            ID["EPSG",6695]
        ],
        ID["EPSG",4695]
    ],
    CONVERSION[
        "Katanga Gauss zone C",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            -9,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            26,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            1,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            200000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            500000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",3983]
    ],
    CS[Cartesian,2,ID["EPSG",4499]],
    AXIS["Easting (X)",east],
    AXIS["Northing (Y)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",3988]
]

PROJ.4

+proj=tmerc +lat_0=-9 +lon_0=26 +k=1 +x_0=200000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:3988", "+proj=tmerc +lat_0=-9 +lon_0=26 +k=1 +x_0=200000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 3988,
  "name": "Katanga 1955 / Katanga Gauss zone C",
  "kind": "projected",
  "area": "Congo DR (Zaire) - Katanga 24.5°E to 27.5°E",
  "unit": "metre",
  "bbox": [
    -12.08,
    24.5,
    -4.99,
    27.5
  ],
  "proj4": "+proj=tmerc +lat_0=-9 +lon_0=26 +k=1 +x_0=200000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315 +units=m +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 (3988, 'EPSG', 3988, '+proj=tmerc +lat_0=-9 +lon_0=26 +k=1 +x_0=200000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315 +units=m +no_defs +type=crs', 'PROJCS["Katanga 1955 / Katanga Gauss zone C",GEOGCS["Katanga 1955",DATUM["Katanga_1955",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4695"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",-9],PARAMETER["central_meridian",26],PARAMETER["scale_factor",1],PARAMETER["false_easting",200000],PARAMETER["false_northing",500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3988"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=-9"
  "+lon_0=26"
  "+k=1"
  "+x_0=200000"
  "+y_0=500000"
  "+ellps=clrk66"
  "+towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

3988=PROJCS["Katanga 1955 / Katanga Gauss zone C",GEOGCS["Katanga 1955",DATUM["Katanga_1955",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4695"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",-9],PARAMETER["central_meridian",26],PARAMETER["scale_factor",1],PARAMETER["false_easting",200000],PARAMETER["false_northing",500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3988"]]

Related Coordinate Systems

Available Transformations (4)

Transformations inherited from base CRS: EPSG:4695 (Katanga 1955)

Transformation	Source → Target	Accuracy (m)
Katanga 1955 to RGRDC 2005 (2)	4695 → 4046	0.5
Katanga 1955 to WGS 84 (2)	4695 → 4326	1
Katanga 1955 to RGRDC 2005 (1)	4695 → 4046	1.5
Katanga 1955 to WGS 84 (1)	4695 → 4326	1.5

Other CRS using Katanga 1955

Frequently Asked Questions

How do I add EPSG:3988 to GeoServer?

Add the following definition to your GeoServer configuration:

3988=PROJCS["Katanga 1955 / Katanga Gauss zone C",GEOGCS["Katanga 1955",DATUM["Katanga_1955",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4695"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",-9],PARAMETER["central_meridian",26],PARAMETER["scale_factor",1],PARAMETER["false_easting",200000],PARAMETER["false_northing",500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3988"]]

Read the full GeoServer guide →

How do I add EPSG:3988 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (3988, 'EPSG', 3988, '+proj=tmerc +lat_0=-9 +lon_0=26 +k=1 +x_0=200000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315 +units=m +no_defs +type=crs', 'PROJCS["Katanga 1955 / Katanga Gauss zone C",GEOGCS["Katanga 1955",DATUM["Katanga_1955",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4695"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",-9],PARAMETER["central_meridian",26],PARAMETER["scale_factor",1],PARAMETER["false_easting",200000],PARAMETER["false_northing",500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3988"]]');

Read the full PostGIS guide →

How do I add EPSG:3988 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+lat_0=-9"
  "+lon_0=26"
  "+k=1"
  "+x_0=200000"
  "+y_0=500000"
  "+ellps=clrk66"
  "+towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:3988 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:3988", "+proj=tmerc +lat_0=-9 +lon_0=26 +k=1 +x_0=200000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315 +units=m +no_defs +type=crs");

Read the full Proj4js guide →