Druck DPI 142 User Manual
Height reference
barometer
installed in
control tower.
h
height from the barometer installation to the reference point (for
example: the runway).
Note: h is negative if the reference point is below the barometer installation.
H
height of the barometer installation above or below standard sea level
datum - mean sea level.
Note: H is negative if the barometer installation is below the standard sea level
datum.
K0343 Issue No. 3
h
8
H