1942 data supplied by B.O.D.C. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991 Dunkerque 190/001 RLR(1977) is 13.2m below Repere A(1974) =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 19-Oct-2000 Dunkerque acoustic gauge installed 1998. Data now supplied by Service Hydrographique et Ocean. de la Marine, Brest. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 24-Sep-2014 Using values from the SONEL website the latitude and longitude for Dunkerque have been revised. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 29-Sep-2014 Additional data points have been added. Because of this the whole dataset has been re-entered.