Ham Radio Q Codes
QSN
Did you hear me (or ...) on ... kHz (or MHz)?
QRM
Do you have interference?
QRH
Does my frequency vary?
QSD
Is my keying defective?
QTR
What is the correct time?
RA
What is the name (or call sign) of your station?
QRK
What is the readability of my signals (or those of ...)?
QSA
What is the strength of my signals (or those of ... )?
QTH
What is your position in latitude and longitude (or according to any other indication)?
QSS
What working frequency will you use?
QRZ
Who is calling me?
QSX
Will you listen to ... on ... kHz (or MHz)?
QSP
Will you relay a message to ...?
QRG
Will you tell me my exact frequency (or that of ...)?
QRL
Are you busy?
QRV
Are you ready?
QRN
Are you troubled by static noise?
QSB
Are my signals fading?
QSL
Can you acknowledge receipt?
QSO
Can you communicate with ... direct or by relay?
QSK
Can you hear me between your signals (while transmitting), and if so can I break in on your transmission?
QRU
Have you anything for me?
QRB
How far are you from my station?
QRI
How is the tone of my transmission?
QTC
How many telegrams (messages) have you to send?
QRT
Shall I cease or suspend operation?
QSY
Shall I change transmission frequency (to ... kHz (or MHz))?
QRP
Shall I decrease transmit power?
QRO
Shall I increase transmit power?
QSM
Shall I repeat the last telegram (message) which I sent you, or some previous telegram (message)?
QSV
Shall I send a series of "V" on this frequency (or on ... kHz (or MHz))?
QSZ
Shall I send each word or group more than once?
QRQ
Shall I send faster?
QRS
Shall I send more slowly?
QSU
Shall I send or reply on this frequency (or on ... kHz (or MHz))?
QRX
Shall I standby? / When will you call me again?
QRA
The name of my station is
