EPSG:3388

Pulkovo 1942 / Caspian Sea Mercator

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

Selected transformation

Remarks: Derived via PZ-90. Can be implemented as a single coordinate frame rotation transformation with parameter vaues of dX = 25.0 m, dY = -141.0 m, dZ = -78.5 m, rX = 0.0 sec, rY = -0.35 sec, rZ = -0.736 sec, dS = 0 ppm.

Information source: OGP

Revision date: 2006-02-03

Attributes

Unit: metre

Geodetic CRS: Pulkovo 1942

Datum: Pulkovo 1942

Ellipsoid: Krassowsky 1940

Prime meridian: Greenwich

Data source: EPSG

Information source: Main Department of Navigation & Oceanography of the USSR Ministry of Defence.

Revision date: 2006-05-08

Scope: Hydrography and nautical charting.

Area of use: Azerbaijan - offshore; Kazakhstan - offshore; Russian Federation - Caspian Sea; Turkmenistan - offshore.

Coordinate system: Cartesian 2D CS. Axes: northing, easting (no abbrev). Orientations: north, east. UoM: m.

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SimpleMap

Center coordinates
4471919.33 6659590.57

Projected bounds:
-2657774.62 3587121.99
11601629.22 15016912.39

WGS84 bounds:
18.92 39.87
-168.97 85.19

Russian Federation - onshore and offshore.
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Definition: OGC Well Known Text

PROJCS["Pulkovo 1942 / Caspian Sea Mercator",
    GEOGCS["Pulkovo 1942",
        DATUM["Pulkovo_1942",
            SPHEROID["Krassowsky 1940",6378245,298.3,
                AUTHORITY["EPSG","7024"]],
            AUTHORITY["EPSG","6284"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4284"]],
    PROJECTION["Mercator_2SP"],
    PARAMETER["standard_parallel_1",42],
    PARAMETER["central_meridian",51],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","3388"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["Pulkovo 1942 / Caspian Sea Mercator",
    BASEGEOGCRS["Pulkovo 1942",
        DATUM["Pulkovo 1942",
            ELLIPSOID["Krassowsky 1940",6378245,298.3,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4284]],
    CONVERSION["Caspian Sea Mercator",
        METHOD["Mercator (variant B)",
            ID["EPSG",9805]],
        PARAMETER["Latitude of 1st standard parallel",42,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8823]],
        PARAMETER["Longitude of natural origin",51,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["False easting",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["northing (none)",north,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["easting (none)",east,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Hydrography and nautical charting."],
        AREA["Azerbaijan - offshore; Kazakhstan - offshore; Russian Federation - Caspian Sea; Turkmenistan - offshore."],
        BBOX[37.35,46.95,46.97,53.93]],
    ID["EPSG",3388]]

Definition: ESRI Well Known Text

PROJCS["Pulkovo_1942_Caspian_Sea_Mercator",
    GEOGCS["GCS_Pulkovo_1942",
        DATUM["D_Pulkovo_1942",
            SPHEROID["Krasovsky_1940",6378245.0,298.3]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Mercator"],
    PARAMETER["False_Easting",0.0],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",51.0],
    PARAMETER["Standard_Parallel_1",42.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=merc +lat_ts=42 +lon_0=51 +x_0=0 +y_0=0 +ellps=krass +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:3388","+proj=merc +lat_ts=42 +lon_0=51 +x_0=0 +y_0=0 +ellps=krass +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "Pulkovo 1942 / Caspian Sea Mercator",
    "base_crs": {
        "name": "Pulkovo 1942",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Pulkovo 1942",
            "ellipsoid": {
                "name": "Krassowsky 1940",
                "semi_major_axis": 6378245,
                "inverse_flattening": 298.3
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4284
        }
    },
    "conversion": {
        "name": "Caspian Sea Mercator",
        "method": {
            "name": "Mercator (variant B)",
            "id": {
                "authority": "EPSG",
                "code": 9805
            }
        },
        "parameters": [
            {
                "name": "Latitude of 1st standard parallel",
                "value": 42,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8823
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": 51,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "False easting",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8807
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Northing",
                "abbreviation": "none",
                "direction": "north",
                "unit": "metre"
            },
            {
                "name": "Easting",
                "abbreviation": "none",
                "direction": "east",
                "unit": "metre"
            }
        ]
    },
    "scope": "Hydrography and nautical charting.",
    "area": "Azerbaijan - offshore; Kazakhstan - offshore; Russian Federation - Caspian Sea; Turkmenistan - offshore.",
    "bbox": {
        "south_latitude": 37.35,
        "west_longitude": 46.95,
        "north_latitude": 46.97,
        "east_longitude": 53.93
    },
    "id": {
        "authority": "EPSG",
        "code": 3388
    }
}

Definition: GeoServer

3388=PROJCS["Pulkovo 1942 / Caspian Sea Mercator",GEOGCS["Pulkovo 1942",DATUM["Pulkovo_1942",SPHEROID["Krassowsky 1940",6378245,298.3,AUTHORITY["EPSG","7024"]],AUTHORITY["EPSG","6284"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4284"]],PROJECTION["Mercator_2SP"],PARAMETER["standard_parallel_1",42],PARAMETER["central_meridian",51],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","3388"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=merc"
	"lat_ts=42"
	"lon_0=51"
	"x_0=0"
	"y_0=0"
	"ellps=krass"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=merc +lat_ts=42 +lon_0=51 +x_0=0 +y_0=0 +ellps=krass +units=m +no_defs +type=crs">
	<Layer srs="+proj=merc +lat_ts=42 +lon_0=51 +x_0=0 +y_0=0 +ellps=krass +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 3388, 'EPSG', 3388, '+proj=merc +lat_ts=42 +lon_0=51 +x_0=0 +y_0=0 +ellps=krass +units=m +no_defs +type=crs', 'PROJCS["Pulkovo 1942 / Caspian Sea Mercator",GEOGCS["Pulkovo 1942",DATUM["Pulkovo_1942",SPHEROID["Krassowsky 1940",6378245,298.3,AUTHORITY["EPSG","7024"]],AUTHORITY["EPSG","6284"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4284"]],PROJECTION["Mercator_2SP"],PARAMETER["standard_parallel_1",42],PARAMETER["central_meridian",51],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","3388"]]');