=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 10-May-2012
Porto Garibaldi , Comacchio, Ferrara - Italy is a new station. The monthly mean
sea level data values have been supplied by Alberto Pellegrinelli from the
University of Ferrara. Primary benchmark is TGBM0 3.538m above Tide Gauge Zero
(TGZ). Also at the tide gauge is benchmark 0169#-###-38# referenced as 1.946m
above the Italian National Datum System IGM. Station has now been made RLR with
factor 6.863m.