COMMUNICATIONS_2

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Across
  1. 3. Changes a pilot's speech into an electrical signal.
  2. 7. Makes a quarter-wave antenna electrically behave like a larger antenna arrangement.
  3. 9. Uses satellites to relay aircraft voice and data communications.
  4. 11. Provides passenger entertainment using stored audio and video information.
  5. 14. Lightweight, high-capacity alternative to copper wiring for cabin data.
  6. 15. Radiates transmitted RF energy and receives radio signals.
Down
  1. 1. Becomes longer as radio frequency becomes lower.
  2. 2. Prevents attendant loudspeaker audio from feeding back while the attendant speaks.
  3. 4. Orientation characteristic that may be vertical or horizontal for aircraft antennas.
  4. 5. Provides a low-resistance electrical path between metallic aircraft components.
  5. 6. Complete range within which radio waves are categorized by frequency.
  6. 8. Powered microphone type that operates by changing capacitance.
  7. 10. Exchange of information between aircraft, other aircraft, or ground stations.
  8. 12. Microphone type that moves a coil inside a magnetic field.
  9. 13. Releases accumulated electrical charge harmlessly into the atmosphere.