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Q-Codes for amateur radio
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.
Popular radio Q-Codes table
| QRL |
Is the frequency busy?
The frequency is busy. Please do not interfere. |
| QRN | Interference from natural signals (like thunderstorms). |
| QRM | Interference from man-made sources. |
| QRO |
Shall I increase power?
Increase power. |
| QRP |
Shall I decrease power?
Decrease power. |
| QRZ | Who is calling me? |
| QSB | Signal fading. |
| QSL |
Did you receive and understand?
Received and understood. |
| QSO | Abbreviation for a contact. |
| QTH |
What is your location?
My location is....... |
Q-Codes table provided by www.qsoshack.com
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