The Table below lists currently valid notifications (BfS) of the Waterways and Shipping Boards (WSA).
The notifications contain additional details concerning the number of measuring points, their geographic position, charts affected, expected duration
and special notes.
The measuring instruments are marked either by yellow buoys or by yellow light-buoys and have to be passed at a safe distance (at least 2 cables).
The most convenient chart is quoted.
For additional information about the measuring instruments, please refer to IHO Circular Letter 30/2000 and Handbuch für Brücke und Kartenhaus (BSH No 20001)