| Abbreviation | Definition |
|---|---|
| QRM | Static Interference (not an acronym) |
| QRM1 | Your transmission is being interfered with Nil |
| QRM2 | Your transmission is being interfered with Slightly |
| QRM3 | Your transmission is being interfered with Moderately |
| QRM4 | Your transmission is being interfered with Severely |
| QRM5 | Your transmission is being interfered with Extremely |
| QRN | Are you troubled by static? |
| QRN | The static is being caused by a nurse. |
| QRO | Increase Power |
| QRO? | Shall I increase power? |
| QRP | Low Power Amateur Radio |
| QRP | Why don't you run real power? |
| QRP? | Shall I decrease power? |
| QRQ | Send Faster |
| QRQ | Shall I send faster? |
| QRR | Are you ready for automatic operation? |
| QRS | Send More Slowly |
| QRS | Shall I send more slowly? |
| QRT | Shall I stop sending? |
| QRU | I have nothing for you. |