INTERNATIONAL HYDROGRAPHIC REVIEW 
MAY 2020 
68 
c) Height differences going from the national height reference frame of Latvia (LAS-2000,5) to 
zero-tide EVRF2019 (mean -3 mm; min. difference -12 mm; max. +5 mm) 
d) Height differences going from the national height reference frame of Finland (N2000) to zero-tide 
EVRF2019 (mean -3 mm; min. difference -11 mm; max. difference +0 mm)