EPSG:6284

DATUM["Pulkovo_1942",
    SPHEROID["Krassowsky 1940",6378245,298.3,
        AUTHORITY["EPSG","7024"]],
    AUTHORITY["EPSG","6284"]]

DATUM["Pulkovo 1942",
    ELLIPSOID["Krassowsky 1940",6378245,298.3,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6284]]

DATUM["D_Pulkovo_1942",
    SPHEROID["Krasovsky_1940",6378245.0,298.3]]

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Pulkovo 1942",
    "ellipsoid": {
        "name": "Krassowsky 1940",
        "semi_major_axis": 6378245,
        "inverse_flattening": 298.3
    },
    "scope": "Topographic mapping.",
    "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": 6284
    }
}