Coordinate Frame rotation (geog2D domain)
Derived via PZ-90 at 30 stations throughout USSR (Former Soviet Union, FSU) through concatenation of Pulkovo 1942 to PZ-90 (1) (tfm code 15844) and PZ-90 to WGS 84 (1) (tfm code 15843).
Geodeziya i Katografiya, 1993.
2020-03-14
degree (supplier to define representation)
EPSG
Various industry sources.
2008-09-24
Geodesy.
Extended to Eastern Europe through Uniform Astro-Geodetic Network (UAGN) of 1956 - see CRS code 4179.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Definition: OGC Well Known Text
GEOGCS["Pulkovo 1942", DATUM["Pulkovo_1942", SPHEROID["Krassowsky 1940",6378245,298.3], TOWGS84[25,-141,-78.5,0,-0.35,-0.736,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4284"]]
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["Pulkovo 1942", DATUM["Pulkovo 1942", ELLIPSOID["Krassowsky 1940",6378245,298.3, 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]], USAGE[ SCOPE["Geodesy."], AREA["Armenia; Azerbaijan; Belarus; Estonia - onshore; Georgia - onshore; Kazakhstan; Kyrgyzstan; Latvia - onshore; Lithuania - onshore; Moldova; Russian Federation - onshore; Tajikistan; Turkmenistan; Ukraine - onshore; Uzbekistan."], BBOX[35.14,19.57,81.91,-168.97]], ID["EPSG",4284]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "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" } ] }, "scope": "Geodesy.", "area": "Armenia; Azerbaijan; Belarus; Estonia - onshore; Georgia - onshore; Kazakhstan; Kyrgyzstan; Latvia - onshore; Lithuania - onshore; Moldova; Russian Federation - onshore; Tajikistan; Turkmenistan; Ukraine - onshore; Uzbekistan.", "bbox": { "south_latitude": 35.14, "west_longitude": 19.57, "north_latitude": 81.91, "east_longitude": -168.97 }, "id": { "authority": "EPSG", "code": 4284 } }
Definition: GeoServer
4284=GEOGCS["Pulkovo 1942",DATUM["Pulkovo_1942",SPHEROID["Krassowsky 1940",6378245,298.3],TOWGS84[25,-141,-78.5,0,-0.35,-0.736,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4284"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=krass +towgs84=25,-141,-78.5,0,-0.35,-0.736,0 +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=krass +towgs84=25,-141,-78.5,0,-0.35,-0.736,0 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4284, 'EPSG', 4284, '+proj=longlat +ellps=krass +towgs84=25,-141,-78.5,0,-0.35,-0.736,0 +no_defs +type=crs', 'GEOGCS["Pulkovo 1942",DATUM["Pulkovo_1942",SPHEROID["Krassowsky 1940",6378245,298.3],TOWGS84[25,-141,-78.5,0,-0.35,-0.736,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4284"]]');