QRA = What is the name of your stn?
QRB = How far are you from my stn?
QRG = Will you tell me my freq?
QRH = Does my frequency vary?
QRI = How is the tone of my transm?
QRK = Intelligibility of my frequency?
QRL = Are you busy?
QRM = Interference?
QRN = Any trouble with static?
QRO = Shall I increase transm. pwr?
QRP = Shall I decrease transm. pwr?
QRQ = Shall I send faster?
QRR = Ready for automatic operation?
QRS = Shall I send slower?
QRT = Shall I stop sending?
QRU = Have you anything for me?
QRV = Are you ready?
QRX = When will you call again?
QRZ = Who is calling me?
QSD = Is my keying defective?
QSN = Did you hear me or (c/s)?
QSO = Can you communicate with (c/s)?
QSP = Will you relay to (c/s)?
QSR = Rpt call on calling frq?
QSS = What working freq. will you use?
QSU = Shall I send or reply oa this freq?
QSV = Shall I send V's on this freq?
QSW = Will you send on this freq?
QSX = Will you listen to (c/s) on...freq?
QSY = Shall I change to...frequency?
QSZ = Shall I repeat words or groups?
QTH = What is your lat. & long?
QTR = What is the correct time?
QTS = Send call sign for tuning?
QTV = Shall I guard frequency...?
QTX = Will you keep your stn open?
QUA = Have you news of (c/s)?
QUM = May I resume normal working?
QRY = What number is my turn?
QSB = Are my signals fading?
QSL = Can you acknowledge receipt?