AMATEUR Q CODES

QRM    Interference . This is man-made , such as noise from elecrical equipment

QRN     Interference . Natural interference , such as static

QRP     Reducing transmitter power

QRT    Stop sending/transmitting  

QRZ     Who`s calling?

QSB     Signals fading

QSK     " Can i break in on you contact ? "

QSL      Acknowledge receipt

QSO     Comunication e.g. " I had a QSO with... "

QSY    Change frequency or channel

QTH     Location of station