INTERNATIONAL Q SIGNALS

A Q signal followed by a ? asks a question. A Q signal without
the ?
answers the question affirmatively, unless otherwise indicated.

QRA   What is the name of your station?
QRG   What's my exact frequency?
QRH   Does my frequency vary?
QRI   How is my tone? (1-3)
QRK   What is my signal intelligibility? (1-5)
QRL   Are you busy?
QRM   Is my transmission being interfered with?
QRN   Are you troubled by static?
QRO   Shall I increase transmitter power?
QRP   Shall I decrease transmitter power?
QRQ   Shall I send faster?
QRS   Shall I send slower?
QRT   Shall I stop sending?
QRU   Have you anything for me?
      (Answer in negative)
QRV   Are you ready?
QRW   Shall I tell........you're calling him?
QRX   When will you call again?
QRZ   Who is calling me?
QSA   What is my signal strength? (1-5)
QSB   Are my signals fading?
QSD   Is my keying defective?
QSG   Shall I send........messages at a time?
QSK   Can you work breakin?
QSL   Can you acknowledge receipt?
QSM   Shall I repeat the last message sent?
QSO   Can you communicate with........direct?
QSP   Will you relay to........?
QSV   Shall I send a series of V's?
QSW   Will you transmit on........?
QSX   Will you listen for........on........?
QSY   Shall I change frequency?
QSZ   Shall I send each word/group more than once?
      (Answer, send twice or........)
QTA   Shall I cancel number........?
QTB   Do you agree with my word count?
      (Answer negative)
QTC   How many messages have you to send?
QTH   What is your location?
QTR   What is your time?
QTV   Shall I stand guard for you........?
QTX   Will you keep your station open for further communication
with me?
QUA   Have you news of........?