Code	Meaning
QRA	what is your station callsign
QRG	what is my frequency
QRH	does my frequency vary
QRI	how is my tone
QRJ	are my signals weak
QRK	what is the readability of my signals
QRL	is this frequency in use
QRM	are you experiencing interference
QRN	are you troubled by static
QRP	I am running low power (5 watts)
QRQ	please send faster
QRS	please send more slowly
QRT	I have to stop now
QRU	have you anything for me
QRV	are you ready, do you operate on --- metres
QRX	will you call me again, at ---- hrs
QRZ	who is calling me
QSA	what is my signal strength
QSB	signals are fading
QSL	can you acknowledge this contact
QSO	can you communicate with -----
QSP	will you relay to -----
QST	calling all radio amateurs
QSY	shall I change frequency to ---  eg. PSE QSY UP 5  (kc/s)
QSZ	shall I send each word twice
QTH	what is your location (my location is ..)
QTR	what is the time