Q Signals QRG My frequency is ___ QRK Your signal readability is ___ (1 - 5) QRL The frequency is busy QRM Your transmission is being interfered with QRN Static on the frequency QRO Increase transmission power QRP Decrease transmission power QRQ Send faster QRS Send slower QRT I am quitting the contact QRU I have nothing more for you QRX Please stand by QRZ You are being called by ___ QSB Your signals are fading QSL I acknowledge receipt QSO I can communicate with ___, contact QSY I am going to change frequency to ___ QTC I have traffic (messages) to send QTH My location is ___