QRA

What is your callsign? (callsign)

QSA

What is my signal strength? (1-5)

QRG

What is my exact frequency? (this freq)

QSB

Are my signals fading? (signals are fading)

QRH

Does my frequency vary?

QSD

Is my keying defective?

QRI

What is my signal tone quality? (1-3)

QSG

Shall I send __ messages at a time?

QRK

What is my signal intelligibility? (1-5)

QSK

Can you work break-in? (break-in operation)

QRL

Are you (or this freq) busy? (This freq. is busy)

QSL

Can you acknowledge receipt? (I confirm receipt of message)

QRM

Is my transmission being interfered with? (signal interference)

QSM

Shall I repeat the last message I sent?

QRN

Are you troubled by static? (static, atmospheric noise)

QSO

Can you communicate with this station? (radio contact between stations)

QRO

Shall I increase transmitter power? (increase power, high powered)

QSP

Will you relay to __?

QRP

Shall I decrease transmitter power? (decrease power, low powered)

QST

A general call preceding messages to all radio operators (info, news).

QRQ

Shall I send faster?

QSV

Shall I send a series of V's?

QRS

Shall I send slower? (send slower)

QSW

Will you transmit on __?

QRT

Shall I stop sending? (stop transmitting)

QSX

Will you listen on __ (freq)?

QRU

Do you have any messages for me? (I have no messages for you)

QSY

Shall I change frequency? (change frequency)

QRV

Are you ready? (I am ready to transmit)

QSZ

Shall I send each word/group more than once?

QRW

Shall I tell __ (callsign) you're calling him?

QTH

What is your location? (station location)

QRX

When will you call me again? (wait, standby)

QTR

What is your correct time?

QRZ

Who is calling me? (anyone answering my transmission)

QTX

Will you keep your station open for further communication with me?