A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

QDMMagnetic heading (zero wind)
QDRMagnetic bearing
QFEAtmospheric pressure at aerodrome elevation (or at runway threshold)
QFUMagnetic orientation of runway
QNHAltimeter sub−scale setting to obtain elevation when on the ground
QTETrue bearing
QUADQuadrant
(C) 2012-18 Jan Hrkal