=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 21-Nov-2011 Cagliari II on the South Coast of Sardinia is a new station.It is part of the Italian tidal network run by Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA). Data January 2001 onwards. Data downloaded from the ISPRA website along with metadata. Database id=2089. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 02-Aug-2012 Cagliari II has been made RLR. Primary benchmark nodale 65D1/1 c 2.98076m (displayed as 2.981m on diagram) above national Italian Military Geographic Institute (IGM) altimetric datum.