Q Codes Commonly Used by Radio Amateurs
QRGExact frequencyHE TX ON QRG 14205 kHz
QRITone (T in the RST code)UR QRI IS 9
QRKIntelligibility (R in the RST code)UR QRK IS 5
QRLThis frequency is busy.Used almost exclusively with morse code, usually as a question (QRL? - is this frequency busy?) before transmitting on a new frequency
QRMMan-made interferenceANOTHER QSO UP 2 kHz CAUSING LOT OF QRM
QRNNatural interference, e.g. static crashesBAND NOISY TODAY LOT OF QRN
QROIncrease powerNEED QRO WHEN PROP POOR
QRPDecrease powerQRP TO 5 W (As a mode of operation, a QRP station is five watts or less, a QRPp station one watt or less)
QRQSend more quicklyTIME SHORT PSE QRQ
QRRTemporarily unavailable/away, please waitWILL BE QRR 30 MIN = THAT STN IS QRR NW
QRRRLand distressA non-standard call proposed by ARRL for land-based or railroad emergency traffic in situations where response from ships at sea (which listened for SOS) was neither needed nor desired.[2][3] Now deprecated.
QRSSend more slowlyPSE QRS NEW TO CW (QRS operation - a slower dot rate - is useful during weak-signal conditions; a QRSS mode uses an extremely low code rate on a channel less than 1Hz wide to allow reception under extreme QRP conditions)
QRTStop sendingENJOYED TALKING 2 U = MUST QRT FER DINNER NW
QRUHave you anything for me?QRU? ABOUT TO QRT
QRVI am readyWL U BE QRV IN UPCOMING CONTEST?
QRXWill call you againQRX @ 1500H
QRZYou are being called by ________.QRZ? UR VY WEAK (Only someone who has previously called should reply)
QSASignal strengthUR QSA IS 5
QSBFading of signalTHERE IS QSB ON UR SIG
QSDYour keying is defectiveQSD CK YR TX
QSKBreak-inI CAN HR U DURING MY SIGS PSE QSK
QSLI Acknowledge receiptQSL UR LAST TX = PSE QSL VIA BURO (i.e. please send me a card confirming this contact).
QSMRepeat last messageQRM DROWNED UR LAST MSG OUT = PSE QSM
QSNI heard youQSN YESTERDAY ON 7005 kHz
QSOA conversationTNX QSO 73
QSPRelayPSE QSP THIS MSG TO MY FRIEND
QSTGeneral call to all stationsQST: QRG ALLOCS HV CHGD
QSXI am listening on ... frequencyQSX 14200 TO 14210 kHz
QSYShift to transmit on ...LETS QSY UP 5 kHz
QTADisregard last messageQTA, DID NOT MEAN THAT
QTCTrafficSTN WID EMRG QTC PSE GA
QTHLocationQTH IS SOUTH PARK CO
QTRExact timeQTR IS 2000 Z