Q Signals

Most Q Signals are used both as a statement (ie “Understand”) and as a question (ie “Understand?”). To determine which one someone intends, listen to the context and where it is in a sentence.

Code Meaning
CQ All Call (Seek You)
QSL “Copy” or “Understand”. Also a Confirmed Contact.
QRL “Frequency in Use”
QRM “Interference”
QRP “Low Power”
QRS “Slow Down” (CW)
QRQ “Speed Up” (CW)
QSB “Noise” or “Fading”
QRZ “Who’s Calling?”
QSO A Radio Contact
QSX Move to ____ Frequency
QTH Location
XYL Wife