Chart editions / corrections
                        * 18866 | 
                    
                            Chart: 9312 | 
                
                        Sweden. Kattegat. Gothenburg. Dana Fjord. North Channel. Måvholmsbådan. ODAS. | 
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| Delete | obstruction, least depth known by sounding only 20,6 with | text Current meter | a) | 57-40,442N | 011-42,383E | See chartlet. | 
| Move | submarine power cable from position a) - b) to | position b) - c) | b) | 57-40,340N | 011-42,448E | |
| c) | 57-40,442N | 011-42,135E | ||||
| Insert | ODAS, Subsurface Oceanographic Data Acquisition System with known depth 21 | on position c) | 
                                ODAS with submarine power cable |