=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991 Akyab 530/001 RLR(1941) is 10.6m below BM 19 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993 Akyab 530/001 RLR(1941) is 10.6m below BM 19 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 08-Aug-2012 It has been confirmed that the monthly means for Akyab were based on high and low waters. Akyab is an historic station and has been swithched as 'inactive'.