=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Aveiro              210/013 RLR(1982) is 11.1m below TGBM
=========================== BENCHMARK INFORMATION UPDATE ADDED  12-JUL-93 :
Aveiro              210/013 RLR(1982) is 11.1m below TGBM
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 1998Nov04 :
data for 1989 replaced with revised values received from authority 41
Aveiro is an historic station last data 1996

