| Answer | Crossword Clue |
|---|---|
| TRIODE | Amplifier of radio signals |
| BOOSTER | Amplifier in radio. |
| IONOSPHERE | Bouncer of radio signals |
| BEEPS | Radio signals. |
| DITS | Radio code signals. |
| JAM | Block, as radio signals |
| JAMS | Interferes with radio signals. |
| JAM | Interfere with radio signals |
