=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 27-Aug-1992
Former German name for Ustka was Stolpmunde.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 06-Feb-1997
Data for 1977 and 1987 revised in February 1997
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 03-Mar-2000
Ustka               110/057 RLR(1997) is 11.4m below BM HM. Due to changes in data policy within Poland the last data we have for 1999