EPSG:3388

Pulkovo 1942 / Caspian Sea Mercator

Transform Get position on a map

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

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Derived at 5 stations.

Information source: U.S. National Imagery and Mapping Agency TR8350.2 revision of October 1997; http://earth-info.nga.mil/GandG/tr8350/tr8350_2.html

Revision date: 2020-03-14

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
-2190858.2 5730795.42

Projected bounds:
-2496171.36 5550579.19
-1885545.46 5916967.96

WGS84 bounds:
20.87 55.67
28.24 58.09

Latvia - onshore.
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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],
            TOWGS84[24,-124,-82,0,0,0,0]],
        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)

BOUNDCRS[
    SOURCECRS[
        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]]],
    TARGETCRS[
        GEOGCRS["WGS 84",
            ENSEMBLE["World Geodetic System 1984 ensemble",
                MEMBER["World Geodetic System 1984 (Transit)"],
                MEMBER["World Geodetic System 1984 (G730)"],
                MEMBER["World Geodetic System 1984 (G873)"],
                MEMBER["World Geodetic System 1984 (G1150)"],
                MEMBER["World Geodetic System 1984 (G1674)"],
                MEMBER["World Geodetic System 1984 (G1762)"],
                MEMBER["World Geodetic System 1984 (G2139)"],
                ELLIPSOID["WGS 84",6378137,298.257223563,
                    LENGTHUNIT["metre",1]],
                ENSEMBLEACCURACY[2.0]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            CS[ellipsoidal,2],
                AXIS["geodetic latitude (Lat)",north,
                    ORDER[1],
                    ANGLEUNIT["degree",0.0174532925199433]],
                AXIS["geodetic longitude (Lon)",east,
                    ORDER[2],
                    ANGLEUNIT["degree",0.0174532925199433]],
            USAGE[
                SCOPE["Horizontal component of 3D system."],
                AREA["World."],
                BBOX[-90,-180,90,180]],
            ID["EPSG",4326]]],
    ABRIDGEDTRANSFORMATION["Transformation from unknown to WGS84",
        METHOD["Position Vector transformation (geog2D domain)",
            ID["EPSG",9606]],
        PARAMETER["X-axis translation",24,
            ID["EPSG",8605]],
        PARAMETER["Y-axis translation",-124,
            ID["EPSG",8606]],
        PARAMETER["Z-axis translation",-82,
            ID["EPSG",8607]],
        PARAMETER["X-axis rotation",0,
            ID["EPSG",8608]],
        PARAMETER["Y-axis rotation",0,
            ID["EPSG",8609]],
        PARAMETER["Z-axis rotation",0,
            ID["EPSG",8610]],
        PARAMETER["Scale difference",1,
            ID["EPSG",8611]]]]

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 +towgs84=24,-124,-82,0,0,0,0 +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 +towgs84=24,-124,-82,0,0,0,0 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "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"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 3388
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "WGS 84",
        "datum_ensemble": {
            "name": "World Geodetic System 1984 ensemble",
            "members": [
                {
                    "name": "World Geodetic System 1984 (Transit)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1166
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G730)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1152
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G873)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1153
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1150)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1154
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1674)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1155
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1762)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1156
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G2139)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1309
                    }
                }
            ],
            "ellipsoid": {
                "name": "WGS 84",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257223563
            },
            "accuracy": "2.0",
            "id": {
                "authority": "EPSG",
                "code": 6326
            }
        },
        "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": 4326
        }
    },
    "transformation": {
        "name": "Transformation from unknown to WGS84",
        "method": {
            "name": "Position Vector transformation (geog2D domain)",
            "id": {
                "authority": "EPSG",
                "code": 9606
            }
        },
        "parameters": [
            {
                "name": "X-axis translation",
                "value": 24,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8605
                }
            },
            {
                "name": "Y-axis translation",
                "value": -124,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8606
                }
            },
            {
                "name": "Z-axis translation",
                "value": -82,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8607
                }
            },
            {
                "name": "X-axis rotation",
                "value": 0,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8608
                }
            },
            {
                "name": "Y-axis rotation",
                "value": 0,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8609
                }
            },
            {
                "name": "Z-axis rotation",
                "value": 0,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8610
                }
            },
            {
                "name": "Scale difference",
                "value": 0,
                "unit": {
                    "type": "ScaleUnit",
                    "name": "parts per million",
                    "conversion_factor": 1e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8611
                }
            }
        ]
    }
}

Definition: GeoServer

3388=PROJCS["Pulkovo 1942 / Caspian Sea Mercator",GEOGCS["Pulkovo 1942",DATUM["Pulkovo_1942",SPHEROID["Krassowsky 1940",6378245,298.3],TOWGS84[24,-124,-82,0,0,0,0]],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"
	"towgs84=24,-124,-82,0,0,0,0"
	"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 +towgs84=24,-124,-82,0,0,0,0 +units=m +no_defs +type=crs">
	<Layer srs="+proj=merc +lat_ts=42 +lon_0=51 +x_0=0 +y_0=0 +ellps=krass +towgs84=24,-124,-82,0,0,0,0 +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 +towgs84=24,-124,-82,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Pulkovo 1942 / Caspian Sea Mercator",GEOGCS["Pulkovo 1942",DATUM["Pulkovo_1942",SPHEROID["Krassowsky 1940",6378245,298.3],TOWGS84[24,-124,-82,0,0,0,0]],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"]]');