QNH

QNH is one of the many Q codes. It is defined as, `barometric pressure adjusted to sea level.` It is a pressure setting used by pilots, air traffic control (ATC), and low frequency weather beacons to refer to the barometric setting which, when set on an aircraft`s altimeter, will cause the altimeter to read altitude above mean sea level within ......
Found on http://en.wikipedia.org/wiki/QNH

QNH

abbreviation: Altimeter setting which provides height above mean sea level
Found on http://www.encyclo.co.uk/local/20021

QNH

Air pressure referred to mean sea level, given in hPa and mmHg
Found on http://www.f-16.net/glossary-Q.html

QNH

altitude above mean sea level based on local station pressure.
Found on http://airodyssey.net/reference/glossary/

Qnh

QNH is an abbreviation for sea level pressure
Found on http://www.probertencyclopaedia.com/N17.HTM

QNH

Regional pressure setting corrected at sea level - adjusting an altimeter to this setting should indicate height above sea level. (nb - to find out height above ground level you can use the map and work out a spot height or an global positioning system (a machine that uses satellites to measure position, altitude and speed travelling as well as gri...
Found on http://www.encyclo.co.uk/local/20160

QNH

the Q-code for: Altimeter sub-scale setting to obtain elevation when on the ground, ie altitude above MSL
Found on http://www.translationdirectory.com/glossaries/glossary143.htm
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