Q Signals

Q-signals are short, three letter codes used in CW (morse code) communication to speed up the contacts. Do not use these codes for voice communication, say what you mean instead.

QRG
Will you tell me my exact frequency? Your exact frequency is...
QRL
Are you busy? I am busy. Please do not interfere.
QRM
Is my transmission being interfered with? Your transmission is being interfered.
QRN
Are you troubled by static? I am troubled by static.
QRO
Shall I increase power? Increase power.
QRP
Shall I decrease power? Decrease power.
QRQ
Shall I send faster? Send faster.
QRS
Shall I send more slowly? Send more slowly.
QRT
Shall I stop sending? Stop sending.
QRU
Have you anything for me? I have nothing for you.
QRV
Are you ready? I am ready.
QRX
When will you call me again? I will call you again at... (hours).
QRZ
Who is calling me? You are being called by...
QSB
Are my signals fading? Your signals are fading.
QSK
Can you hear me between your signals and if so can I break in on your transmission? I can hear you between signals; break in on my transmission.
QSL
Can you acknowledge receipt (of message or transmission)? I am acknowledging receipt.
QSN
Did you hear me on (frequency)? I did hear you on (frequency).
QSO
Can you communicate with (call sign) direct or by relay? I can communicate with (call sign) direct or relay through (call sign).
QSP
Will you relay to (call sign)? I will relay to (call sign).
QST
General call preceding a message addressed to all amateurs and ARRL members. This is in effect "CQ ARRL".
QSX
Will you listen to (call sign) on (frequency)? I am listening to (call sign) on (frequency).
QSY
Shall I change to transmission on another frequency? Change to transmission on another frequency.
QTB
Do you agree with my counting of words? I do not agree with your counting of words. I will repeat the first letter or digit of each word or group.
QTC
How many messages have you to send? I have # messages for you.
QTH
What is your location? My location is ...
QTR
What is the correct time? The time is ...
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