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Name: Pulkovo 1942 to Georgia Geodetic Datum (1)
Method: Coordinate Frame rotation (geog2D domain)
Remarks: Derived at 16 stations. Replaces transformation derived at 9 stations given in "Methodology and Parameters for Datum Transformation between the New and Old Reference Systems", European Union ENPI Programme for Georgia National Agency of Public Registry (NAPR), Ministry of Justice of Georgia, November 14th 2013. Note: information source states that the Helmert formula use the Position Vector convention, but using the station coordinates tabulated in the report IOGP believes that the parameter values are consistent with use of the coordinate frame rotation convention.
Information source: Addendum to EU ENPI Programme for Georgia "Methodology and Parameters for Datum Transformation between the New and Old Reference Systems", National Agency of Public Registry, Ministry of Justice of Georgia, April 14th, 2014; https://www.napr.gov.ge/
Revision date: 2025-07-15
Unit: metre
Geodetic CRS: Pulkovo 1942
Datum: Pulkovo 1942
Ellipsoid: Krassowsky 1940
Prime meridian: Greenwich
Data source: EPSG
Information source: State Service of Geodesy, Cartography and Cadastre.
Revision date: 2016-07-09
Scope: Cadastre, engineering survey, topographic mapping (large scale).
Area of use: Ukraine - east of 40°E.
Coordinate system: Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.
&stroke=red&width=2&path=41.04,39.99|43.59,39.99|43.59,46.72|41.04,46.72|41.04,39.99)
Center coordinates
7452833.06 4679154.62
Projected bounds:
7172931.77 4535877.08
7738907.86 4832389.82
WGS84 bounds:
39.99 41.04
46.72 43.59
Definition: OGC Well Known Text
PROJCS["Pulkovo 1942 / CS63 zone X7", GEOGCS["Pulkovo 1942", DATUM["Pulkovo_1942", SPHEROID["Krassowsky 1940",6378245,298.3], TOWGS84[-40.7436,-40.0018,-56.707,-1.2753,-1.42112,2.69445,-4.5284]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4284"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",0.0833333333333333], PARAMETER["central_meridian",41.5], PARAMETER["scale_factor",1], PARAMETER["false_easting",7300000], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AUTHORITY["EPSG","7831"]]
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["Pulkovo 1942 / CS63 zone X7", 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["CS63 zone X7", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0.0833333333333333, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",41.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",7300000, 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]], USAGE[ SCOPE["Cadastre, engineering survey, topographic mapping (large scale)."], AREA["Ukraine - east of 40°E."], BBOX[48.8,40,49.62,40.18]], ID["EPSG",7831]]], 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)"], MEMBER["World Geodetic System 1984 (G2296)"], 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",-40.7436, ID["EPSG",8605]], PARAMETER["Y-axis translation",-40.0018, ID["EPSG",8606]], PARAMETER["Z-axis translation",-56.707, ID["EPSG",8607]], PARAMETER["X-axis rotation",-1.2753, ID["EPSG",8608]], PARAMETER["Y-axis rotation",-1.42112, ID["EPSG",8609]], PARAMETER["Z-axis rotation",2.69445, ID["EPSG",8610]], PARAMETER["Scale difference",0.9999954716, ID["EPSG",8611]]]]
Definition: ESRI Well Known Text
PROJCS["Pulkovo_1942_CS63_zone_X7", GEOGCS["GCS_Pulkovo_1942", DATUM["D_Pulkovo_1942", SPHEROID["Krasovsky_1940",6378245.0,298.3]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",7300000.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",41.5], PARAMETER["Scale_Factor",1.0], PARAMETER["Latitude_Of_Origin",0.0833333333333333], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "Pulkovo 1942 / CS63 zone X7", "base_crs": { "type": "GeographicCRS", "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": "CS63 zone X7", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0.0833333333333333, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 41.5, "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": 7300000, "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": 7831 } }, "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 } }, { "name": "World Geodetic System 1984 (G2296)", "id": { "authority": "EPSG", "code": 1383 } } ], "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": -40.7436, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -40.0018, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -56.707, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": -1.2753, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": -1.42112, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 2.69445, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": -4.5284, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ] } }
Definition: GeoServer
7831=PROJCS["Pulkovo 1942 / CS63 zone X7",GEOGCS["Pulkovo 1942",DATUM["Pulkovo_1942",SPHEROID["Krassowsky 1940",6378245,298.3],TOWGS84[-40.7436,-40.0018,-56.707,-1.2753,-1.42112,2.69445,-4.5284]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4284"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0.0833333333333333],PARAMETER["central_meridian",41.5],PARAMETER["scale_factor",1],PARAMETER["false_easting",7300000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","7831"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=0.0833333333333333 +lon_0=41.5 +k=1 +x_0=7300000 +y_0=0 +ellps=krass +towgs84=-40.7436,-40.0018,-56.707,-1.2753,-1.42112,2.69445,-4.5284 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=0.0833333333333333 +lon_0=41.5 +k=1 +x_0=7300000 +y_0=0 +ellps=krass +towgs84=-40.7436,-40.0018,-56.707,-1.2753,-1.42112,2.69445,-4.5284 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 7831, 'EPSG', 7831, '+proj=tmerc +lat_0=0.0833333333333333 +lon_0=41.5 +k=1 +x_0=7300000 +y_0=0 +ellps=krass +towgs84=-40.7436,-40.0018,-56.707,-1.2753,-1.42112,2.69445,-4.5284 +units=m +no_defs +type=crs', 'PROJCS["Pulkovo 1942 / CS63 zone X7",GEOGCS["Pulkovo 1942",DATUM["Pulkovo_1942",SPHEROID["Krassowsky 1940",6378245,298.3],TOWGS84[-40.7436,-40.0018,-56.707,-1.2753,-1.42112,2.69445,-4.5284]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4284"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0.0833333333333333],PARAMETER["central_meridian",41.5],PARAMETER["scale_factor",1],PARAMETER["false_easting",7300000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","7831"]]');
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