Name: S-JTSK to ETRS89 (4)
Method: Position Vector transformation (geog2D domain)
Remarks: Derived at approximately 700 points. Scale difference incorporated into rotation matrix. Replaces S-JTSK to ETRS89 (3) (code 4829) to use more common method. Replaced by a pair of reciprocal concatenated operations ETRS89 to S-JTSK (5) (code 8442) and S-JTSK to ETRS89 (6) (code 8443) for improved accuracy. May be taken as approximate transformation S-JTSK to WGS 84 - see code 4836.
Information source: Urad Geodezie, Kartografie a Katastra via EuroGeographics; http://crs.bkg.bund.de/crs-eu/
Revision date: 2026-08-05
Unit: degree
Geodetic CRS: S-JTSK
Datum: System of the Unified Trigonometrical Cadastral Network
Ellipsoid: Bessel 1841
Prime meridian: Greenwich
Data source: EPSG
Information source: OGP
Revision date: 2002-11-22
Scope: Geodesy.
Remarks: See CRS code 4156 for recommended coordinate axis representation for the human interface.
Area of use: Czechia; Slovakia.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg