The Q Code

And for completeness, the code we use so very little of. QSL?

QRA - What is the name of your station?
QRB - How far approximately are you from my station?
QRC - How 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 statio by means of the Internanational 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, course 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?