PROJECTION "proj=tmerc" "lat_0=49.5" "lon_0=-2.41666666666667" "k=0.999997" "x_0=47000" "y_0=50000" "ellps=GRS80" "towgs84=565.04,49.91,465.84,1.9848,-1.7439,9.0587,4.0772" "units=m" "no_defs" "type=crs" END