Da Roma40 geografiche a WGS84

+proj=longlat +ellps=intl +no_defs +nadgrids = C:\SitDwh\CARTO\grigliati\ItalyRome40ToWGS84_NTV2_GN.gsb +nodefs

Da Gauss Boaga fuso Est a Wgs84

+proj=tmerc +lat_0=0 +lon_0=15 +k=0.999600 +x_0=2520000 +y_0=0 +ellps=intl +units=m +nadgrids = C:\SitDwh\CARTO\grigliati\ItalyRome40ToWGS84_NTV2_GN.gsb +nodefs