The most common Q-codes.
QRM Is my transmission being interfered with? Your transmission is being interfered with...
QRN Are you troubled by static? I am troubled by static.
QRT Shall I stop sending? Stop sending.
QRZ Who is calling me? You are being called by.
QSB Are my signal fading? Your signal fading.
QSK Will you let me in on your frequency? I let you in on the frequency.
QSL Can you acknowledge receipt? I am aknowledning receipt.
QSO Can you communicate with...? I can communicate with...
QSW Will you send on this frequency? I am going to send on this frequency.
QTH What is your location? My location is...
Other Q-codes
Can you tell me my exact frequency? Your exact frequency is...
QRH Does my frequency vary? Your frequency varies.
QRI How is the tone of my transmission? The tone of your transmission is...
QRK What is the intelligibility of my signals? The intelligibility of your signal is...
QRL Are you busy? I am busy. Please do not interfere.
QRO Shall I increase power? Increase power.
QRP Shall I degrease power? Degrease power.
QRQ Shall I send faster? Send faster.
QRS Shall I send more slowly? Send more slowly.
QRU Have you anything for me? I have nothing for you.
QRV Are you ready? I am ready.
QRW Shall inform .. that you are calling him on .. Mhz? Please inform .. that I am calling him on .. Mhz
QRX When will you call me again? I will call you again.
QRY What is my turn? Your turn is numbered...
QSA What is the strenght of my signal? The strenght of your signal is...
QSD Is my keying defective? Your keying is defeclie.
QSG Shall I send ... messages at a time? Send ... messages at a time.
QSM Shall I repeat the last messages I send you? Repeat the last messages I send you.
QSN Did you hear me on ... Mhz? I did hear you on ... Mhz.
QSP Will you relay to ...? I will relay to ...
QST General call preceding a message addressed to all amateurs.
QSU Shall I send or replay on this frequency? Send or replay on this frequency.
QSV Shall I send a series of whistles on this frequency? Send a series og whistles on this frequency.
QSX Will you listen to ... on Mhz? I am listening to ... on Mhz.
QSY Shall I change to transmission on another frequency? Change to transmission on another frequency.
QSZ Shall I send each word or group more than once? Send each word or group twice.
QTA Shall I cancel message number ...? Cancel message number ...
QTB Do you agree with my counting of words? I do not agree with your counting of words.
QTC How many messages have you to send? I have ... messages to send.
QTR What is the correct time? The time is ...