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Radio Q-History 2010-03-18
The Q codes were developed when communications wasn't as good as now, and Morse code was till the norm. It was a lot easier to shorten things down, made life a lot easier on the wireless operators if they only had to send a few letters rather than a whole sentence, and also was less likely to be misinterpreted. Anyway, the Q stood/stands for question, and NH stands for Nil height. In Europe an ATIS will always include QNH and QFE. If you set the QNH, you can report your SL as "altitude QNH", whereas if you report QFE it will be understood you are reporting height above field elevation. Understand that QFE derived from Q code Field Elevation hence QFE Comment		External Links  Recent articles Tight Grip VS Light Touch P The left hand has only two useable digits while flying The forefinger is behind the yoke for back pressure and the thumb is for forward pressure... Non-IFR Pilot ul li 1 accident in 12 186 hours in IFR conditions BR li 1 accident in 94 819 hours... 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