EPSG:28430

Pulkovo 1942 / Gauss-Kruger zone 30

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

Selected transformation

Remarks: Approximation at the +/- 1m level assuming that LKS94(ETRS89) is equivalent to WGS 84.

Information source: OGP

Revision date: 1998-03-12

Steps of transformation: 1274 1283

Attributes

Unit: metre

Geodetic CRS: Pulkovo 1942

Datum: Pulkovo 1942

Ellipsoid: Krassowsky 1940

Prime meridian: Greenwich

Data source: EPSG

Information source: OGP

Revision date: 2012-11-26

Steps of transformation: 1274 1283

Scope: Topographic mapping (medium scale).

Remarks: Also found with truncated false easting - see Pulkovo 1942 / Gauss-Kruger CM 177E (code 2520).

Area of use: Russian Federation - onshore between 174°E and 180°E .

Coordinate system: Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.

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Center coordinates
28869547.88 13576516.38

Projected bounds:
29063864.8 13802795.96
28696611.6 13339676.67

WGS84 bounds:
19.02 53.89
26.82 56.45

Lithuania - onshore and offshore.
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Definition: PROJ.4

+proj=tmerc +lat_0=0 +lon_0=177 +k=1 +x_0=30500000 +y_0=0 +ellps=krass +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:28430","+proj=tmerc +lat_0=0 +lon_0=177 +k=1 +x_0=30500000 +y_0=0 +ellps=krass +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "BoundCRS",
        "source_crs": {
            "type": "ProjectedCRS",
            "name": "Pulkovo 1942 / Gauss-Kruger zone 30",
            "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": "6-degree Gauss-Kruger zone 30",
                "method": {
                    "name": "Transverse Mercator",
                    "id": {
                        "authority": "EPSG",
                        "code": 9807
                    }
                },
                "parameters": [
                    {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8801
                        }
                    },
                    {
                        "name": "Longitude of natural origin",
                        "value": 177,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8802
                        }
                    },
                    {
                        "name": "Scale factor at natural origin",
                        "value": 1,
                        "unit": "unity",
                        "id": {
                            "authority": "EPSG",
                            "code": 8805
                        }
                    },
                    {
                        "name": "False easting",
                        "value": 30500000,
                        "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": "X",
                        "direction": "north",
                        "unit": "metre"
                    },
                    {
                        "name": "Easting",
                        "abbreviation": "Y",
                        "direction": "east",
                        "unit": "metre"
                    }
                ]
            },
            "id": {
                "authority": "EPSG",
                "code": 28430
            }
        },
        "target_crs": {
            "type": "GeographicCRS",
            "name": "LKS94",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "Lithuania 1994 (ETRS89)",
                "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                }
            },
            "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": 4669
            }
        },
        "transformation": {
            "name": "Pulkovo 1942 to LKS94 (1)",
            "method": {
                "name": "Coordinate Frame rotation (geog2D domain)",
                "id": {
                    "authority": "EPSG",
                    "code": 9607
                }
            },
            "parameters": [
                {
                    "name": "X-axis translation",
                    "value": -40.595,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8605
                    }
                },
                {
                    "name": "Y-axis translation",
                    "value": -18.55,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8606
                    }
                },
                {
                    "name": "Z-axis translation",
                    "value": -69.339,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8607
                    }
                },
                {
                    "name": "X-axis rotation",
                    "value": -2.508,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "arc-second",
                        "conversion_factor": 4.84813681109536e-06
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8608
                    }
                },
                {
                    "name": "Y-axis rotation",
                    "value": -1.832,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "arc-second",
                        "conversion_factor": 4.84813681109536e-06
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8609
                    }
                },
                {
                    "name": "Z-axis rotation",
                    "value": 2.611,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "arc-second",
                        "conversion_factor": 4.84813681109536e-06
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8610
                    }
                },
                {
                    "name": "Scale difference",
                    "value": -4.2989999999854,
                    "unit": {
                        "type": "ScaleUnit",
                        "name": "parts per million",
                        "conversion_factor": 1e-06
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8611
                    }
                }
            ],
            "id": {
                "authority": "EPSG",
                "code": 1274
            }
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "WGS 84",
        "datum_ensemble": {
            "name": "World Geodetic System 1984 ensemble",
            "members": [
                {
                    "name": "World Geodetic System 1984 (Transit)"
                },
                {
                    "name": "World Geodetic System 1984 (G730)"
                },
                {
                    "name": "World Geodetic System 1984 (G873)"
                },
                {
                    "name": "World Geodetic System 1984 (G1150)"
                },
                {
                    "name": "World Geodetic System 1984 (G1674)"
                },
                {
                    "name": "World Geodetic System 1984 (G1762)"
                },
                {
                    "name": "World Geodetic System 1984 (G2139)"
                }
            ],
            "ellipsoid": {
                "name": "WGS 84",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257223563
            },
            "accuracy": "2.0"
        },
        "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": "LKS94 to WGS 84 (1)",
        "method": {
            "name": "Geocentric translations (geog2D domain)",
            "id": {
                "authority": "EPSG",
                "code": 9603
            }
        },
        "parameters": [
            {
                "name": "X-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8605
                }
            },
            {
                "name": "Y-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8606
                }
            },
            {
                "name": "Z-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8607
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 1283
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=0"
	"lon_0=177"
	"k=1"
	"x_0=30500000"
	"y_0=0"
	"ellps=krass"
	"towgs84=0,0,0,0,0,0,0"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=0 +lon_0=177 +k=1 +x_0=30500000 +y_0=0 +ellps=krass +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=0 +lon_0=177 +k=1 +x_0=30500000 +y_0=0 +ellps=krass +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 28430, 'EPSG', 28430, '+proj=tmerc +lat_0=0 +lon_0=177 +k=1 +x_0=30500000 +y_0=0 +ellps=krass +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'None');

Definition: OGC WKT 2 (2019)

BOUNDCRS[SOURCECRS[BOUNDCRS[SOURCECRS[PROJCRS["Pulkovo 1942 / Gauss-Kruger zone 30",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["6-degree Gauss-Kruger zone 30",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",177,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",1,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",30500000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",0,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["northing (X)",north,ORDER[1],LENGTHUNIT["metre",1]],AXIS["easting (Y)",east,ORDER[2],LENGTHUNIT["metre",1]],ID["EPSG",28430]]],TARGETCRS[GEOGCRS["LKS94",DATUM["Lithuania 1994 (ETRS89)",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],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]],ID["EPSG",4669]]],ABRIDGEDTRANSFORMATION["Pulkovo 1942 to LKS94 (1)",METHOD["Coordinate Frame rotation (geog2D domain)",ID["EPSG",9607]],PARAMETER["X-axis translation",-40.595,ID["EPSG",8605]],PARAMETER["Y-axis translation",-18.55,ID["EPSG",8606]],PARAMETER["Z-axis translation",-69.339,ID["EPSG",8607]],PARAMETER["X-axis rotation",-2.508,ID["EPSG",8608]],PARAMETER["Y-axis rotation",-1.832,ID["EPSG",8609]],PARAMETER["Z-axis rotation",2.611,ID["EPSG",8610]],PARAMETER["Scale difference",0.999995701,ID["EPSG",8611]],ID["EPSG",1274]]]],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["LKS94 to WGS 84 (1)",METHOD["Geocentric translations (geog2D domain)",ID["EPSG",9603]],PARAMETER["X-axis translation",0,ID["EPSG",8605]],PARAMETER["Y-axis translation",0,ID["EPSG",8606]],PARAMETER["Z-axis translation",0,ID["EPSG",8607]],USAGE[SCOPE["(null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences."],AREA["Lithuania - onshore and offshore."],BBOX[53.89,19.02,56.45,26.82]],ID["EPSG",1283],REMARK["LKS94 is a national realization of ETRS89 and coincident to WGS 84 within 1 metre. This transformation has an accuracy equal to the coincidence figure."]]]