Mal's Morse Code Puzzle

12345678910
Across
  1. 2. the long dash symbol
  2. 5. long distance transmission of messages
  3. 6. Distress signal
  4. 7. Inventor of Morse Code
  5. 8. the short dot symbol
  6. 10. code used by telegraph to transmit messages at long distances
Down
  1. 1. first morse code message
  2. 3. the old long-distance way of communication by horse, coach, and train.
  3. 4. the man who blinked t-o-r-t-u-r-e in morse code
  4. 9. Added the alphabet and special characters to Morse code