Note: Q abbreviations take the form of questions only when they are sent followed by a question mark.
| QRG | Will you tell me my exact frequency (or that of ___)? Your exact frequency (or that of ___) is ___ kHz. |
| QRH | Does my frequency vary? Your frequency varies. |
| QRI | How is the tone of my transmission? The tone of your transmission is ___(1. Good; 2. Variable; 3. Bad). |
| QRJ | Are you receiving me badly? I cannot receive you. Your signals are too weak. |
| QRK | What is the intelligibility of my signals (or those of ___)? The intelligibility of your signals (or those of ___) is ___ (1. Bad; 2. Poor; 3. Fair; 4. Good; 5. Excellent). |
| QRL | Are you busy? I am busy (or I am busy with ___). Please do not interfere. |
| QRM | Is my transmission being interfered with? Your transmission is being interfered with ___ (1. Nil; 2. Slightly; 3. Moderately; 4. Severely; 5. Extremely). |
| QRN | Are you troubled by static? I am troubled by static ___. (Usually, QRM is man-made interference and QRN is natural interference.) |
| QRO | Shall I increase power? Increase power. |
| QRP | Shall I decrease power? Decrease power. |
| QRQ | Shall I send faster? Send faster (___ WPM). |
| QRS | Shall I send more slowly? Send more slowly (___ WPM). |
| QRT | Shall I stop sending? Stop sending. |
| QRU | Have you anything for me? I have nothing for you. |
| QRV | Are you ready? I am ready. |
| QRX | When will you call me again? I will call you again at ___ hours (on ___ kHz). |
| QRY | What is my turn? Your turn is numbered ____. |
| QRZ | Who is calling me? You are being called by ___ (on ____ kHz). |
| QSA | What is the strength of my signals (or those of ___)? The strength of your signals is ___ (1. Scarcely perceptible; 2. Weak; 3. Fairly good; 4. Good; 5. Very good). |
| QSB | Are my signals fading? Your signals are fading. |
| QSD | Are my signals defective? Your signals are defective. |
| QSG | Shall I send ____ messages at a time? Send ____ messages at a time. |
| QSK | Can you hear me between your signals and if so can I break in on your transmission? I can hear you between my signals; break in on my transmission. |
| QSL | Can you acknowledge receipt? I am acknowledging receipt. |
| QSM | Shall I repeat the last message which I sent you, or some previous message? Repeat the last message which you sent me [ message(s) number(s) ____]. |
| QSN | Did you hear me (or ____) on ____ kHz? I did hear you (or ____) on ____ kHz. |
| QSO | Can you communicate with ___ direct or by relay? I can communicate with ___ direct (or by relay through ___). |
| QSP | Will you relay to ___? I will relay to ___. |
| QST | General call preceding a message addressed to all amateurs and ARRL members. This is in effect “CQ ARRL”. |
| QSU | Shall I send or reply on this frequency (or on ____ kHz)? Send or reply on this frequency (or ____ kHz). |
| QSV | Shall I send a series of Vs on this frequency (or ___ kHz)? Send a series of Vs on this frequency (or on ___ kHz). |
| QSW | Will you send on this frequency (or on ____ kHz)? I am going to send on this frequency (or on ____ kHz). |
| QSX | Will you listen to ____ on ____ kHz? I am listening to ____ on ____ kHz. |
| QSY | Shall I change to transmission on another frequency? Change to transmission on another frequency (or on ___ kHz). |
| QSZ | Shall I send each word or group more than once? Send each word or group two (or ___ times). |
| 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. I will repeat the first letter or digit of each word or group. |
| QTC | How many messages have you to send? I have ____ messages for you (or for ____). |
| QTH | What is your location? My location is ___. |
| QTR | What is the correct time? The time is ___. |