Q codes divided by frequency of use. A = common, B = less common, C = rare. |------+------+------------------------------------------------------| | Code | Freq | Meaning | |------+------+------------------------------------------------------| | QRA | A | What is your call sign? | | QRK | A | How clear is my signal? | | QRL | A | Are you busy? | | QRM | A | Do you have interference? | | QRN | A | Are you troubled by static? | | QRO | A | Shall I increase power? | | QRP | A | Shall I decrease power? | | QRQ | A | Shall I send faster? | | QRS | A | Shall I send more slowly? | | QRT | A | Shall I stop transmitting? | | QRU | A | Do you have anything for me? | | QRV | A | Are you ready? | | QRX | A | Shall I standby? When will you call me again? | | QRZ | A | Who is calling me? | | QSB | A | Is my signal fading? | | QSK | A | Can you hear me between your signals? | | QSL | A | Can you acknowledge receipt? | | QSO | A | Can you communicate with ...? | | QST | A | Should I repeat message to everyone? | | QSY | A | Shall I change frequency? | | QTH | A | What is your location? | |------+------+------------------------------------------------------| | QRG | B | What is my exact frequency? | | QRH | B | Does my frequency vary? | | QRI | B | How is the tone of my signal? | | QRW | B | Do you want me to tell ... you are calling? | | QSA | B | What is the strength of my signal? (1-5) | | QSD | B | Is my keying bad? | | QSG | B | Do you want me to send more than one message? | | QSM | B | Shall I repeat last message | | QSP | B | Will you relay a message to ...? | | QSU | B | What frequency should I respond on? | | QSW | B | Will you send on this frequency? On what frequency? | | QSX | B | Will you listen to/for ...? | | QSZ | B | Shall I send each word or group more than once? | | QTA | B | Shall I cancel message? | | QTC | B | How many messages do you have to send? | | QTR | B | What is the correct time? | | QTX | B | Will you stand by for me? | |------+------+------------------------------------------------------| | QRB | C | How far away are you? | | QRD | C | Where are you going? | | QRJ | C | How many voice contacts do you want to make? | | QRY | C | What is my turn in numerical order? | | QSN | C | Do you hear me on ? | | QSQ | C | Do you have a doctor on location? | | QSR | C | Do you want me to repeat my call? | | QSS | C | What working frequency will you use? | | QSV | C | Should I send some Vs for testing? | | QTB | C | Does your word count agree with mine? | | QTE | C | What is my bearing in degrees to you? | | QTJ | C | What is the speed of your vehicle? | | QTL | C | What direction are you headed? | | QTN | C | When did you leave ? | | QTO | C | Are you airborne? | | QTP | C | Do you intend to land? | | QTU | C | At what times are you operating? | | QUA | C | Do you have info concerning ...? | | QUC | C | Last message number? | | QUD | C | Have you received the urgent signal sent by ...? | | QUE | C | Can you speak ? | | QUF | C | Have you received the distress signal sent by ...? | |------+------+------------------------------------------------------| Full list alphabetized by Code |------+------+------------------------------------------------------| | Code | Freq | Meaning | |------+------+------------------------------------------------------| | QRA | A | What is your call sign? | | QRB | C | How far away are you? | | QRD | C | Where are you going? | | QRG | B | What is my exact frequency? | | QRH | B | Does my frequency vary? | | QRI | B | How is the tone of my signal? | | QRJ | C | How many voice contacts do you want to make? | | QRK | A | How readable are my signals? | | QRL | A | Are you busy? | | QRM | A | Do you have interference? | | QRN | A | Are you troubled by static? | | QRO | A | Shall I increase power? | | QRP | A | Shall I decrease power? | | QRQ | A | Shall I send faster? | | QRS | A | Shall I send more slowly? | | QRT | A | Shall I stop transmitting? | | QRU | A | Do you have anything for me? | | QRV | A | Are you ready? | | QRW | B | Do you want me to tell ... you are calling? | | QRX | A | Shall I standby? When will you call me again? | | QRY | C | What is my turn in numerical order? | | QRZ | A | Who is calling me? | | QSA | B | What is the strength of my signal? (1-5) | | QSB | A | Is my signal fading? | | QSD | B | Is my keying bad? | | QSG | B | Do you want me to send more than one message? | | QSK | A | Can you hear me between your signals? | | QSL | A | Can you acknowledge receipt? | | QSM | B | Shall I repeat last message | | QSN | C | Do you hear me on ? | | QSO | A | Can you communicate with ...? | | QSP | B | Will you relay a message to ...? | | QSQ | C | Do you have a doctor on location? | | QSR | C | Do you want me to repeat my call? | | QSS | C | What working frequency will you use? | | QST | A | Should I repeat message to everyone? | | QSU | B | What frequency should I respond on? | | QSV | C | Should I send some Vs for testing? | | QSW | B | Will you send on this frequency? On what frequency? | | QSX | B | Will you listen to/for ...? | | QSY | A | Shall I change frequency? | | QSZ | B | Shall I send each word or group more than once? | | QTA | B | Shall I cancel message? | | QTB | C | Does your word count agree with mine? | | QTC | B | How many messages do you have to send? | | QTE | C | What is my bearing in degrees to you? | | QTH | A | What is your location? | | QTJ | C | What is the speed of your vehicle? | | QTL | C | What direction are you headed? | | QTN | C | When did you leave ? | | QTO | C | Are you airborne? | | QTP | C | Do you intend to land? | | QTR | B | What is the correct time? | | QTU | C | At what times are you operating? | | QTX | B | Will you stand by for me? | | QUA | C | Do you have info concerning ...? | | QUC | C | Last message number? | | QUD | C | Have you received the urgent signal sent by ...? | | QUE | C | Can you speak ? | | QUF | C | Have you received the distress signal sent by ...? | |------+------+------------------------------------------------------|