=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991 Newcastle I 680/131 RLR(1960) is 10.3m below BM no. 1 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 29-Jul-1993 Apparent large datum shift around 1949. Newcastle 1 is an historic station last data 1961 =========================== 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 reordered compared to those in earlier versions of the PSMSL data set.