Q Codes

QRM

Is there any (Man made) interference?
There is man made interference.

QRN

Is there any atmospheric noise?
There is atmospheric noise.

QRO

Shall I increase power?
Increase power.

QRP

Shall I decrease power?
Decrease power.

QRT  

Shall I stop sending?
Stop sending.

QRU

Do you have any messages for me?
I have no messages for you.

QRV

Are you ready to receive?

I am ready to receive.

QRZ

Who is calling me?
You are being called by . . .

QSL

Can you acknowledge receipt?
I acknowledge receipt.

QSP

Can you relay a message?
I can relay a message.

QSY

Shall I change to another frequency?
Change to another frequency.

QTH

What is your location?
My location is . .