CrosswordMint
Semaphore Signals and Code Mysteries
Moderate difficulty suitable for most players
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Across
  • 1. Standard set of letters used in coded signals
  • 2. Dash-and-dot coding system, a telecommunications classic
  • 3. Mysterious and coded, like some semaphore messages
  • 6. A narrow flag used for signaling ships
  • 8. Hand movements often used in flag signaling
  • 9. Two-symbol code fundamental to digital communication
Down
  • 4. Ancient manuscript or book of codes
  • 5. Relating to signals that can be seen
  • 7. Visual signaling method using flags or lights
  • 10. Piece of cloth waved in coded messages
  • 11. A transmission sent to convey information
  • 12. A puzzling or coded message, also a famous cipher machine

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