Radio Q-Codes are used to quickly communicate a question or idea as quickly as possible in a simple three letter code.
Initially, Q-Codes can be may seem hard to learn, but after a bit of practice, they tend to stay in there and will eventually become second nature. If you are just listening or transmitting, these Q-Codes are important and worth the effort to learn.
Here are the most popular radio Q-Codes that you will hear in use:
Tip: Print these codes, or open them on your PC so they are in front of you when you make those first contacts.
Is the frequency busy?
The frequency is busy. Please do not interfere.
|QRM||Interference from natural signals (like thunderstorms).|
|QRN||Interference from man-made sources.|
Shall I increase power?
Shall I decrease power?
|QRZ||Who is calling me?|
Did you receive and understand?
Received and understood.
|QSO||Abbreviation for a contact.|
What is your location?
My location is.......
Q-Codes table provided by www.qsoshack.com