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Q Codes


  • QRA What is the name (or call sign) of your station?
  • QRG Will you tell me my exact frequency (or that of ...)?
  • QRH Does my frequency vary?
  • QRI How is the tone of my transmission?
  • QRJ How many voice contacts do you want to make?
  • QRK What is the readability of my signals (or those of ...)?
  • QRL Are you busy?
  • QRM Do you have interference?
  • QRN Are you troubled by static?
  • QRO Shall I increase power?
  • QRP Shall I decrease power?
  • QRQ Shall I send faster?
  • QRS Shall I send more slowly?
  • QRT Shall I stop sending?
  • QRU Have you anything for me?
  • QRV Are you ready?
  • QRW Shall I inform ... that you are calling him on ... kHz (or MHz)?
  • QRX When will you call me again?
  • QRZ Who is calling me?
  • QSA What is the strength of my signals (or those of ... )?
  • QSB Are my signals fading?
  • QSD Is my keying defective?
  • QSG Shall I send ... telegrams (messages) at a time?
  • QSK Can you hear me between your signals?
  • QSL Can you acknowledge receipt?
  • QSM Shall I repeat the last telegram (message) which I sent you, or some previous message?
  • QSN Did you hear me (or ... (call sign)) on .. kHz (or MHz)?
  • QSO Can you communicate with ... direct or by relay?
  • QSP Will you relay a message to ...?
  • QSR Do you want me to repeat my call?
  • QSS What working frequency will you use?
  • QST Here is a broadcast message to all amateurs.
  • QSU Shall I send or reply on this frequency (or on ... kHz (or MHz))?
  • QSW Will you send on this frequency (or on ... kHz (or MHz))?
  • QSX Will you listen to ... (call sign(s) on ... kHz (or MHz))?
  • QSY Shall I change to transmission on another frequency?
  • QSZ Shall I send each word or group more than once?
  • QTA Shall I cancel telegram (message) No. ... as if it had not been sent?
  • QTC How many telegrams (messages) have you to send?
  • QTH What is your position in latitude and longitude (or according to any other indication)?
  • QTR What is the correct time?
  • QTU At what times are you operating?
  • QTX Will you keep your station open for further communication with me until further notice (or until ... hours)?
  • QUA Have you news of ... (call sign)?
  • QUC What is the number (or other indication) of the last message you received from me (or from ... (call sign))?
  • QUD Have you received the urgency signal sent by ... (call sign of mobile station)?
  • QUE Can you speak in ... (language), - with interpreter if necessary; if so, on what frequencies?
  • QUF Have you received the distress signal sent by ... (call sign of mobile station)?
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