=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 31-Aug-2000
Concarneau acoustic gauge installed 28/06/1999.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 19-Oct-2000
Data supplied by Service Hydrographique et Ocean. de la Marine, Brest.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 06-Dec-2001
Concarneau  RLR(2000) is 11.708m below BM IGN K3P3-11.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 28-Mar-2012
Primary benchmark is now IGN O.L.K. 3P3 no 12 22.669m above TGZ.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 24-Sep-2014
Using values from the SONEL website the latitude and longitude for Concarneau has been revised.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 23-Jun-2016
The dataset including the 2015 contained areas of revised data. Because of this the coplete dataset has been re-loaded.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 15-Jul-2025
Updated the whole dataset to ensure they include all the historical data recovered recently by SHOM and the calculated monthly and annual means match those distributed by SONEL.

