I have administrative boundaries data for communities in Switzerland from SwissTopo. Original data came in shape files with 'Bessel 1841 Hotine Oblique Mercator Azimuth Natural Origin' projection.
Full info from ArcGIS:
Projection: Hotine_Oblique_Mercator_Azimuth_Natural_Origin False_Easting: -9419820.590700 False_Northing: 200000.000000 Scale_Factor: 1.000000 Azimuth: 90.000000 Longitude_Of_Center: 7.439583 Latitude_Of_Center: 46.952406 Linear Unit: Meter (1.000000) Geographic Coordinate System: GCS_Bessel_1841 Angular Unit: Degree (0.017453292519943299) Prime Meridian: Greenwich (0.000000000000000000) Datum: D_Bessel_1841 Spheroid: Bessel_1841 Semimajor Axis: 6377397.155000000300000000 Semiminor Axis: 6356078.962818188600000000 Inverse Flattening: 299.152812799999990000
When I overlay my data onto Google Maps or Open Street Map, they seem to be shifted ~200/300m NE from correct position. This happens to both original data in CH1903 LV03 and data reprojected to oter CS.
Has anyone of you encountered solution for such problem?