QUESTION CODES:

QRA: What is the name of your station?
QRB: How far are you from my station?
QRC: Will you tell me my exact frequency?
QRD: Where are you going and where are you from?
QRE: When is your estimated time of arrival?
QRF: Are you returning?
QRG: What is my exact frequency?
QRH: Does my frequency vary?
QRI: How is the tone of my transmission?
QRJ: Are my signals weak?
QRK: What is the readability of my signals?
QRL: Are you busy?
QRM: Are you suffering from interference?
QRN: Have you got atmospheric or static interference?
QRO: Shall I increase transmitting power?
QRP: Shall I decrease transmitting power?
QRQ: Shall I transmit faster?
QRR: Are you ready for automatic operation?
QRS: Shall I transmit more slowly?
QRT: Shall I stop transmitting?
QRU: Anything for me?
QRV: Are you ready?
QRW: Shall I inform ... that you are calling on channel?
QRX: Shall I wait? Will you call me again?
QRY: Is it my turn?
QRZ: Who is calling me?
QSA: What is the strength of my signal?
QSB: Are my signals fading?
QSD: Is my key defective? QSK: On the side (Unofficial)
QSL: Please acknowledge receipt
QSM: Shall I repeat last message?
QSN: Did you hear me on channel ...?
QSO: Can you contact ...?
QSP: Will you relay to ...?
QSR: Shall I repeat?
QSS: what frequency will you use?
QSW: Do you wish to transmit on this channel?
QSU: Shall I send or reply on this frequency?
QSX: Will you listen to ... on channel ...?
QSY: Shall I change to channel ...?
QSZ: Shall I transmit each word or sentence twice?
QTC: How many messages do you have for me?
QTE: What is my bearing from you?
QTH: What is your position?
QTI: What is your course?
QTJ: What is your speed?
QTL: What is your heading?
QTN: What is your departure time?
QTO: Have you left port (dock)?
QTP: are you going to enter port (dock)?
QTR: What is the correct time?
QTU: What hours is your station open?
QTV: Shall I listen for you on channel ...?
QTX: Listen for me until ...
QUA: Have you news of ...?
QUD: Have you received the emergency signal sent by ...?
QUF: Have you received the distress signal sent by ...?
QUM: Is the emergency traffic ended?
QUO: Shall I search for ...?
QUR: Have survivors been picked up?
QUS: Have you sited survivors or wreckage?
QUT: Is the position marked?

ANSWER CODES: