=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 27-Nov-1991
RLR(1989) is 12.2m below TGBM 72831
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 23-May-1994
1992 data received from TOGA office
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 03-Oct-2000
"Xiamen" means "small gate", in the approaches to Shanghai.