=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 07-Dec-2011
Although the tide gauge at Visby has been operational since 1916 the data has only now been included on the database. There are now a total of 23 Swedish stations on the database.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 01-Apr-2015
The RLR factor was mistakenly referenced to tide gauge zero instead of the local height system. We have changed the RLR factor applied to the metric data. While the RLR diagram was correctly drawn, we did remove the reference to tide gauge zero.