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Name: CH1903 to ETRS89 (2)
Method: NTv2
Grid Files: CHENyx06_ETRS.gsb
Remarks: Parameter values from CH1903 to ETRS89-CHE [CHTRS95] (1) (code 7673). Equivalent to concatenation of CTs 15486 (CH1903 to CH1903+) and 1647 (CH1903+ to ETRS89) to within 2cm. Replaces CT code 1646. May be used as approximate transformation CH1903 to WGS 84 - see code 7788.
Information source: Bundesamt für Landestopografie swisstopo; https://www.swisstopo.ch
Revision date: 2026-07-21
Unit: degree
Geodetic CRS: CH1903
Datum: CH1903
Ellipsoid: Bessel 1841
Prime meridian: Greenwich
Data source: EPSG
Information source: OGP
Revision date: 2002-11-22
Scope: Geodesy.
Remarks: See CRS code 4149 for recommended coordinate axis representation for the human interface.
Area of use: Liechtenstein; Switzerland.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg
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