Q Code Definition
CQ General call
QRA Place of the station of the operator
QRB Outdistance between two stations *
QRD Direction *
QRE Hour of arrival envisaged *
QRG Exact frequency *
QRH Unstable frequency / Variation of the frequency *
QRI Dial tone of emission *
QRJ Good reception *
QRK Intelligibility of the signal
QRL To be occupied *
QRM Noise related to the human activity
QRN Atmospheric or weather noise
QRT Stop the transmission
QRU Nothing with saying *
QRV To be ready *
QRW Information of a call *
QRX Stand By *
QRZ Name of the station / Callsign
QSA Force signal *
QSB Variation of the signal / Fading
QSL Acknowledgement of delivery / Confirmation by card
QSO Communication
QSP To transmit to / Retransmission at another station *
QSW Transmit on the current frequency *
QSX Listen on *
QSY Change of frequency
QTH Position of the station
QTI Exact road *
QTJ Speed *
QTL Cape exact *
QTR Exact hour
QTU Hour of the beginning of emission of the station *
QTX Hour of end of emission of the station *
QUA To have news *
QUD Urgency *
QUF Hazard warning signal *
* Rarely used