=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993 Puerto Princesa 660/111 RLR(1992) is 9.7m below BM 1 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 30-Mar-1999 Gauge type = Ott =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 20-Oct-2010 Previous data for this station was for 2002. Datum is referred to TSO 1990 with Primary benchmark BM 1.Previously the relationship between benchmark and datum was 4.4m. For 2009 data this is now 4.408m. Gauge type is THALIMEDES =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 07-Jan-2016 The datum value from the gauges reinstatement in 2009 is currently being queried. Please treat this data with caution.