Vaisala BAROCAP PTB330 - ICAOQNH Mode for QNH and QFE; Table 33 Symbols Used in QNH Calculation Formulas

USER'S GUIDE____________________________________________________________________
134 _________________________________________________________________ M210855EN-D
where:
p = measured air pressure [hPa]
h
HCP
= height difference between the barometer and reference
level [m]
ICAOQNH Mode for QNH and QFE
1902630
32.1188077.44330 QFEH 


255885
15.288
0065.0
0.125.1013










QNH
hH
QNH
NOTE
QNH and QFE values are rounded down to the next whole number in
ICAOQNH mode.
Table 33 Symbols used in QNH calculation formulas
Symbol Description
QNH Resulting value of QNH in [hPa] (before any rounding).
QFE Current value of QFE in [hPa].
h
QNH
Value of HQNH setting (on page 80) in meters.