=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991 Pointe Noire 424/021 RLR(1979) is 9.6m below Repere B1 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993 Pointe Noire 424/021 RLR(1979) is 9.6m below Repere B1 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Nov-1993 data 1980-83 and 1988 received from TOGA office =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Nov-1993 data for 1959-60 and 1977-79 received from authority 18