=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Turku/Abo           060/241 RLR(1964) is 9.0m below BM257F
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993
Turku/Abo           060/241 RLR(1964) is 9.0m below BM257F
=========================== 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)'.
PRIOR TO 1971 FCODE=06
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 09-Jan-2012
Levelling information recently supplied by the Finnish Meteorological Institute
confirms that the Primary benchmark remains 257 F 3.831m above gauge datum.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 27-Nov-2019
From 2018 onwards the averages of the Finnish sea level data will be based on 1 min observations. Values are calculated in Finnish normal time (EET).
The data are relative to the reference surface of the Finnish sea level observations and thus the datum is the tide gauge zero.