| Answer | Crossword Clue |
|---|---|
| SONAR | Source of waves at sea |
| TSUNAMIS | Big waves miss tuna at sea (8) |
| PULSAR | Source of radio waves |
| RADIOSTATION | Source of many waves? |
| PULSAR | Celestial source of radio waves |
| QUASAR | Celestial source of radio waves |
| SEAQUAKE | Source of some big waves |
| PULSAR | Distant source of radio waves |
