EPSG
Bundesamt für Kartographie und Geodäsie via EuroGeographics; http://crs.bkg.bund.de/crs-eu/
2012-01-05
Geodesy, cadastre, engineering survey, topographic mapping.
1983 international adjustment of Uniform Astro-Geodetic Network of countries of central and eastern Europe.
Onshore Bulgaria, Czechia, Germany (former DDR), Hungary and Slovakia.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Pulkovo 1942(83)", "ellipsoid": { "name": "Krassowsky 1940", "semi_major_axis": 6378245, "inverse_flattening": 298.3 }, "scope": "Geodesy, cadastre, engineering survey, topographic mapping.", "area": "Onshore Bulgaria, Czechia, Germany (former DDR), Hungary and Slovakia.", "bbox": { "south_latitude": 41.24, "west_longitude": 9.92, "north_latitude": 54.74, "east_longitude": 28.68 }, "id": { "authority": "EPSG", "code": 6178 } }