Challenging puzzle for experienced crossword solvers
Echoes of Morse: Cryptic Signal Secrets
Moderate difficulty suitable for most players
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Across
- 1. System using two forms, like dot and dash
- 2. Signal method using light to convey Morse
- 4. To send out coded messages
- 6. To convert information into a secret code
- 8. One who listens to Morse signals
- 9. Party who initiates the Morse transmission
- 12. Long signals in Morse code separating the short ones
- 14. The action producing the dot in Morse
- 17. System of symbols used for secret communication
- 19. Short pause separating Morse letters
Down
- 3. Hand-operated method of sending Morse
- 5. Rate of signal vibrations per second
- 7. Repeated arrangement of dots and dashes
- 10. Transmitted pattern conveying a message
- 11. To capture and understand a Morse message
- 13. Action to send the same Morse message again
- 15. Short Morse signals that form the basic rhythmic code
- 16. Letters represented uniquely in Morse
- 18. Wireless device commonly used for Morse communication
- 20. Name of the inventor and the communication system
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