| Answer | Crossword Clue |
|---|---|
| WAVESBYEBYE | Signals farewell at the beach? |
| MARKERS | Signals at the rear of a train. |
| alarums | device that signals set the alarm to wake me at seven |
| alarum | device that signals set the alarm to wake me at seven |
| frequency | The particular waveband at which a radio station or other system broadcasts or transmits signals |
| frequencies | The particular waveband at which a radio station or other system broadcasts or transmits signals |
