Common Ham Radio Q Signals

Here are the Q signals most commonly used in day-to-day operation.

Q SignalMeaning
QRLIs the frequency busy?
The frequency is busy. Please do not interfere.
QRMAbbreviation for interference from other signals.
QRNAbbreviation for interference from natural or human-made static.
QROShall I increase power?
Increase power.
QRPShall I decrease power?
Decrease power.
QRQShall I send faster?
Send faster (__words per minute [wpm]).
QRSShall I send more slowly?
Send more slowly (__wpm).
QRTShall I stop sending or transmitting?
Stop sending or transmitting.
QRUHave you anything more for me?
I have nothing more for you.
QRVAre you ready?
I am ready.
QRXStand by.
QRZWho is calling me?
QSBAbbreviation for signal fading.
QSLDid you receive and understand?
Received and understood.
QSOAbbreviation for a contact.
QSTGeneral call preceding a message addressed to all amateurs.
QSXI am listening on ___ kHz.
QSYChange to transmission on another frequency (or to ___ kHz).
QTHWhat is your location?
My location is ____.