Q-Code

Ham in morse code uses the 'Q-code' that consists of three letters starting with the letter 'Q'. Q-codes are devised to facilitate faster communication in Morse code. Instead of sending a long sentence, the amateur radio operator can just send a combination of three letters to represent a long sentence. There are hundreds of Q-codes used by the marine radio operators, but an amateur radio operator needs to learn only a few of them.

QRA? What is the name of your station?
QRA The name of my station is .........

QRG? Will you tell me my exact frequency (or, that of ..............)?
QRG Your exact frequency (or, that of ...........) is .........kHz (or ........MHz).

QRV? Are you ready?
QRV I am ready.

QRX? When.will you call me again?
QRX I will call you again at .............hours

QRZ? Who is calling me?
QRZ You are being called by 

QSL? Can you acknowledge receipt?
QSL I am acknowledging receipt.

QSO? Can you communicate with............ direct or by relay?
QSO I can communicate with.............Direct or by relay through …….

QTH? What is your position in latitude and longitude (or, according to any other indication)
QTH My position is ........latitude ...............longitude (or, according to any other indication).

QTR? What is the correct time?
QTR The correct time is ...............hours.