Oulu/Uleaborg 060/011 RLR(1964) is 9.7m below BM116
Documentation added 1998-07-21
21 July 1998: RLR redefined following review of data revisions
Documentation added 2002-09-24
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)'. 1889-1921 VALUES BASED ON 1 READING PER DAY 1922-1970 VALUES BASED ON 6 READINGS PER DAY
Documentation added 2012-01-09
Levelling information recently supplied by the Finnish Meteorological Institute confirms that the Primary benchmark remains 116 4.231m above the datum for 1913 onwards. This also brought attention to a previous error in the documentation. The relationship between BM 116 and RLR was quoted as being 9.5m when infact it should be 9.7m.
Documentation added 2017-05-04
Primary benchmark is now TGBM 04006 as the previous Primary benchmark TGBM 116 was destoyed during construction work.
Finnish Meteorological Institute Marine Research, Waves and Sea Level Erik Palenin aukio 1 P.O. Box 503 FI - 00101 Helsinki