Q Codes
Q-codes from QRA to QUZ: Some are used for maritime & rescue
| Code | Meaning |
|---|---|
| QRA | What is the name of your station? |
| QRB | How far approximately are you from my station? |
| QRC | By what enterprise are the accounts for charges for your station settled? |
| QRD | Where are you bound for and where are you from? |
| QRE | What is your estimated time of arrival at ... (over ...)? |
| QRF | Are you returning to ... ? |
| 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 radiotelephone calls have you to book? |
| QRK | What is the intelligibility of my signals (or those of ...)? |
| QRL | Are you busy? |
| QRM | Are you being interfered with? |
| QRN | Are you troubled by static? |
| QRO | Shall I increase transmitter power? |
| QRP | Shall I decrease transmitter power? |
| QRQ | Shall I send faster? |
| QRR | Are you ready for automatic operation? |
| 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? |
| QRY | What is my turn? |
| QRZ | Who is calling me? |
| QSA | What is the strength of my signals (or those of ...)? |
| QSB | Are my signals fading? |
| QSC | Are you a cargo vessel? |
| QSD | Is my keying defective? |
| QSE | What is the estimated drift of the survival craft? |
| QSF | Have you effected rescue? |
| QSG | Shall I send ... telegrams at a time? |
| QSH | Are you able to home on your direction-finding equipment? |
| QSI | I have been unable to break in on your transmission. |
| QSJ | What is the charge to be collected to ... including your internal charge? |
| QSK | Can you hear me between your signals and if so can I break in on your transmission? |
| QSL | Can you acknowledge receipt? |
| QSM | Shall I repeat the last telegram which I sent you (or some previous telegram)? |
| QSN | Did you hear me (or ... ) on ... kHz (or MHz)? |
| QSO | Can you communicate with ... direct (or by relay)? |
| QSP | Will you relay to ... free of charge? |
| QSQ | Have you a doctor on board (or is ... on board)? |
| QSR | Shall I repeat the call on the calling frequency? |
| QSS | What working frequency will you use? |
| QSU | Shall I send or reply on this frequency (or on ... kHz (or MHz)) |
| QSV | Shall I send a series of Vs 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 ... 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 (or message) number ... ? |
| QTB | Do you agree with my counting of words? |
| QTC | How many telegrams have you to send? |
| QTD | What has the rescue vessel or rescue aircraft recovered? |
| QTE | What is my true bearing from you? |
| QTF | Will you give me my position according to your bearings? |
| QTG | Will you send two dashes of ten seconds each followed by your call sign (repeated ... times) (on ... kHz (or MHz))? |
| QTH | What is your position in latitude and longitude? |
| QTI | What is your true track? |
| QTI | What is your true course? |
| QTJ | What is your speed? |
| QTK | What is the speed of your aircraft in relation to the surface of the Earth? |
| QTL | What is your true heading? |
| QTM | What is your magnetic heading? |
| QTN | At what time did you depart from ... (place)? |
| QTO | Have you left dock (or port)? |
| QTP | Are you going to enter dock (or port)? |
| QTQ | Can you communicate with my station by means of the International Code of Signals? |
| QTR | What is the correct time? |
| QTS | Will you send your call sign for tuning purposes or so that your frequency can be measured now (or at ... hours) on ... kHz (or MHz)? |
| QTT | The identification signal which follows is superimposed on another transmission. |
| QTU | What are the hours during which your station is open? |
| QTV | Shall I stand guard for you on the frequency of ... kHz (or MHz) (from ... to ... hours)? |
| QTW | What is the condition of survivors? |
| QTX | Will you keep your station open for further communication with me until further notice (or until ... hours)? |
| QTY | Are you proceeding to the position of incident and if so when do you expect to arrive? |
| QTZ | Are you continuing the search? |
| QUA | Have you news of ... ? |
| QUB | Can you give me in the following order information concerning: the direction in degrees and speed of the surface wind, visibility, present weather, and amount, type and height of base of cloud above surface elevation at ... ? |
| QUC | What is the number (or other indication) of the last message you received from me (or from ...)? |
| QUD | Have you received the urgency signal sent by ... (call sign of mobile station)? |
| QUE | Can you use telephony in ... (language), with interpreter if necessary; if so, on what frequencies? |
| QUF | Have you received the distress signal sent by ...? |
| QUG | Will you be forced to alight (or land)? |
| QUH | Will you give me the present barometric pressure at sea level? |
| QUI | Are your navigation lights working? |
| QUJ | Will you indicate the true track to reach you (or ...)? |
| QUK | Can you tell me the condition of the sea observed at ...? |
| QUL | Can you tell me the swell observed at ...? |
| QUM | May I resume normal working? |
| QUN | Will vessels in my immediate vicinity please indicate their position, cruise and speed? |
| QUO | Shall I search for ... (aircraft, ship, survival craft)? |
| QUP | Will you indicate your position by searchlight, black smoke trail, pyrotechnic lights? |
| QUQ | Shall I train my searchlight nearly vertical on a cloud, and if your aircraft is seen, deflect the beam up wind and on the water? |
| QUR | Have survivors ... (1. received survival equipment, 2. been picked up by rescue vessel, 3. been reached by ground rescue) party? |
| QUS | Have you sighted survivors or wreckage? |
| QUT | Is position of incident marked? |
| QUU | Shall I home ship or aircraft to my position? |
| QUW | Are you in the search area designated as ...? |
| QUX | Do you have any navigational warnings or gale warnings in force? |
| QUY | Is position of survival craft marked? |
| QUZ | May I resume restricted working? |