=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 19-Jun-1995 tide gauge installed 21st August 1992, tide gauge replaced 22nd September 1993 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 13-Jul-1995 22 September 1993: tide gauge replaced =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 17-Sep-2012 Primary benchmark BM 1641 5.795m above TGZ is confirmed in the Malaysian publication Tidal Observation Records 2010.