Across
- 3. unit of measurement for radio wave frequency, named after the German physicist Heinrich Hertz
- 5. device that sends radio waves carrying information
- 8. radio waves with frequencies between 3 and 30 MHz, used for long-distance communication
- 10. device that transmits or receives radio waves
- 12. device that detects and converts radio waves into audio or visual signals
- 14. the measure of the strength or intensity of a radio wave
- 15. the device used in early radios to tune and select a specific radio frequency
Down
- 1. the number of radio wave cycles per second, measured in Hertz
- 2. the process of adding information to a radio wave to transmit audio or data
- 4. noise or interference caused by atmospheric conditions that affect radio signals
- 6. the emission of ionizing radiation from the nucleus of an atom
- 7. Serbian-American inventor who made significant contributions to radio technology
- 9. Italian inventor who transmitted the first radio signal across the Atlantic
- 11. the transmission of radio or television programs to the public
- 13. the medical specialty that uses ionizing radiation, ultrasound, and magnetic resonance to diagnose and treat disease