| QRA | What is the name (call) of your station? The name (call) of my station is _____ |
| QRB | How far are you from my station? I am ____ km from your station |
| QRG | What is my exact frequency? Your frequency is ____ kHz |
| QRH | Does my frequency vary? QRH = Your frequency varies, QRH NIL = Your frequency don’t vary |
| QRJ | Are you receiving me badly? I can’t receive you, your signal are too weak |
| QRL | Are you busy? Hams use this as: Are this frequency busy? I’m busy, please don’t interfere. |
| QRM | Is my transmission being interfered with ____? Your transmission is being interfered (1 = NIL, 2 = Slightly, 3 = Moderately, 4 = Severe and 5 = Extemely) |
| QRN | Are you troubled by static? I’m troubled by static (1 = NIL, 2 = Slightly, 3 = Moderately, 4 = Severe and 5 = Extemely) |
| 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’m ready |
| QRX | When will you call me again? I will call you again at ____ hours |
| QRZ | Who is calling me? You are been called by ____ |
| QSB | Are my signals fading? Your signals are fading |
| QSD | Is my keying defective? Your keying are defective |
| 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’m acknowledging receipt |
| 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 ____ |
| QSV | Shall I send a series of V’s on this frequency? Send a series of V’s on this frequency |
| QSY | Shall I change to another frequency? Change to another frequency |
| QTH | What is your location? My location is ____ |
| QTR | What is the correct time? The time is ____ (a-z) |
| When followed by a question mark, the code is a question | |
| Unofficial code | |
| QLF? | Are you keying with your left foot? (bad keying) |
| QBL | You are blacklisted! PSE QRT/QSY |
| QTT | Quality True Telegraphist. If you hear a CQ QTT it means that the operator wishes a real QSO with an honest report, name, QTH, rig, antennas a.o. |
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