=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Kukup               550/010 RLR(1986) is 9.2m below BM No J0667
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993
Kukup               550/010 RLR(1986) is 9.2m below BM No J0667
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 17-Sep-2012
From the Malaysian publication Tidal Observation Records 2010 the Primary
benchmark is now BM J5328 6.88m above gauge datum.