=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991 Ronnskar 060/061 RLR(1936) is 9.1m below BM =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 24-Sep-2002 A description of the sea level network in Finland can be found in 'Operational Oceanography: Implementation at the European and Regional scales. 2002 (pp.129-137)'. NO BM INFORMATION BUT DATA SEEMS HOMOGENEOUS