=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 02-May-1995 Station density along some sections of the Australian coast has meant that station codes 601 onwards have been re-ordered compared to those in earlier versions of the PSMSL data set. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 23-Aug-2010 Supplying authority have confirmed measurement datum from June 1986 is Chart Datum, and primary benchmark PSM 85838 is 7.026 m above Chart Datum RLR (2009) is defined as 11.8 m above PSM 85838 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 04-Feb-2021 Last data available for download is that up to October 2019.