Transformation of coordinates at 1m level of accuracy.
These parameter values are taken from NTF to RGF93 (1) (code 1053) as RGF93 may be considered equivalent to WGS 84 within the accuracy of the transformation. May be emulated using NTv2 method - see tfm code 15960.
France geocentric interpolation
France - onshore - mainland and Corsica.
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