=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 14-Jul-2010
Revised data values 1950-2009 were downloaded from the Arctic and Antarctic Research Institute website and were loaded onto the database. The RLR factor remains 7.000m as before.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 13-Aug-2013
Following the recent download of data it was noted that some of the historic values differed slightly. Because of this the whole dataset has been re-loaded.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 08-Dec-2014
Once again slight changes have been made throughout the dataset. Because of this the complete dataset has been re-loaded.

