Common Ham Radio Q Signals
Hams use three-letter Q signals on every mode and even in face-to-face conversation. Here are the Q signals most commonly used in day-to-day operation. Each signal can be a question or an answer, as shown in the Meaning column. A complete list of ham radio Q signals, including those used on nets and repeaters, is available from AC6V.
|QRL||Is the frequency busy?
The frequency is busy. Please do not interfere.
|QRM||Abbreviation for interference from other signals.|
|QRN||Abbreviation for interference from natural or human-made static.|
|QRO||Shall I increase power?
|QRP||Shall I decrease power?
|QRQ||Shall I send faster?
Send faster (__words per minute [wpm]).
|QRS||Shall I send more slowly?
Send more slowly (__wpm).
|QRT||Shall I stop sending or transmitting?
Stop sending or transmitting.
|QRU||Have you anything more for me?
I have nothing more for you.
|QRV||Are you ready?
I am ready.
|QRZ||Who is calling me?|
|QSB||Abbreviation for signal fading.|
|QSL||Did you receive and understand?
Received and understood.
|QSO||Abbreviation for a contact.|
|QST||General call preceding a message addressed to all amateurs.|
|QSX||I am listening on ___ kHz.|
|QSY||Change to transmission on another frequency (or to ___ kHz).|
|QTH||What is your location?
My location is ____.