=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991 Anhung 620/014 RLR(1989) is 14.4m below TBM No 1 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993 Anhung 620/014 RLR(1989) is 14.4m below TBM No 1 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 08-Dec-1997 Type of tide gauge: OTT float type =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 08-Dec-2010 Primary benchmark 1989-1990 is TBM No.1. From 1991 onwards Primary benchmark is TBM No.3. Datum TGZ remains the same throughout. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 30-Jul-2012 At the request of the supplying authority, KHOA the name for this station has been changed to Anheung. The latitude and longitude have also been revised.