Q Codes as used around the World.

Q Signal used as a Question or used as a Statement

QRG What is my frequency? Your frequency is ------

QRH Does my frequency vary? Your frequency varies

QRI How is the tone of my transmission? Your tone is 1 (good) 2 (variable) 3 (bad)

QRJ Are you receiving me badly? Are my signals weak? I cannot receive you. I receive you badly

QRK What is the readability of my signals? Your readability is (1) unreadable to (5) perfect

QRL* Is this frequency busy? This frequency is in use

QRM* Are you being interfered with? I am interfered with

QRN* Are you troubled by static? I am being troubled with static

QRO Must I increase power? I increase power ( to a higher output level )

QRP* Can I decrease power? I decrease power ( to a lower output level )

QRQ Shall I send faster? Send faster ------- WPM ( Morse Code )

QRS Shall I send slower? Send slower ------- WPM ( Morse Code )

QRT* Shall I stop sending? Stop sending

QRU Have you anything for me? I have nothing for you

QRV Are you ready? I am ready

QRX When will you call me again? I will call you again at ------

QRZ* Who is calling me? You are being called by ----

QSA What is the strength of my signals? Your strength is (1) barely perceptible - (5) very good

QSB* Are my signals fading? Your signals are fading

QSL* Can you acknowledge receipt? I acknowledge receipt

QSO** Can you communicate with -------? I can communicate with -------

QSP Will you relay to -------? I will relay to -------

QST Calling all radio operators

QSV Shall I send a series of V's? Send a series of V's

QSX Will you listen to ------- on --------- kHz? I am listening to ------- on -----------

QSY* Shall I change frequency? Change frequency to ----------

QSZ Shall I send each word twice? Send each word twice

QTH* What is your location? My location is -----

QTR What is the time? The time is ---------

* the most commonly heard ones

** this has evolved, and now is commonly heard as "tnx fer the qso." meaning "Thanks for the chat."