Chart editions / corrections
                        * 17798 | 
                    
                            Chart: 937 | 
                
                        Sweden. Skagerrak. S of Strömstad. S Öddö. Daftön. Depths. | 
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| Move | underwater rock approx. 70 m SE to position a) | a) | 58-54,543N | 011-11,430E | 
| Amend | 3 m depth contour to encircle position a) according to chartlet | |||
| Amend | 3 m depth contour to encircle position b) according to chartlet | b) | 58-54,291N | 011-11,614E | 
                                Daftön. |