| QJB ✕ | |
|---|---|
| Question | Will you use … 1) radio? 2) cable? 3) telegraph? 4) teletypewriter? 5) telephone? 6) receiver? 7) transmitter? 8) reperforator? |
| Answer | I will use … 1) radio. 2) cable. 3) telegraph. 4) teletypewriter. 5) telephone. 6) receiver. 7) transmitter. 8) reperforator. |
| Application | Aeronautical Code signals |