Variable EPSG_3900`Const`

EPSG_3900: "+vunits=m +no_defs +type=crs" = '+vunits=m +no_defs +type=crs'

N2000 height

CRS-VERTCRS [3900]
Area: Finland - onshore.
Unit: metre
Accuracy: null
BBOX: 70.09,19.24,59.75,31.59