Morse Code

1
Morse Code

• Communicating through dots and dashes

2
What is Morse code?

• Morse code is a method of communication that
  relies on the transmitting of an alphabet
  constructed from dots and dashes.

3
How is Morse code transmitted?

• electrical pulses along a telegraph wire
• an audio tone
• as a radio signal with short and long pulses or
  tones
• as a mechanical or visual signal e.g. a flashing
  light.

4
Who invented Morse code?

• Samual Morse invented Morse Code
• 1837 - Morse invented the electrical telegraph
• 1836 - Morse finished his first working sample of
  the telegraph.
• 1838 - Morse changed the telegraphic symbols,
  from a telegraphic dictionary with number code to
  a code for each letter.
• 1844 - Morse sent the telegraph message "What
  hath God wrought" Washington, D.C. to his
  assistant, in Baltimore, Maryland.

5
How is Morse code used?

• 1890s - Early radio communications
• Navigational radio beacons
• Continuous wave amateur radio operators.

6
How has Morse code evolved?

• 1848 - changes to eleven of the letters, was
  developed in Germany and eventually adopted as
  the worldwide standard as "International Morse".
• The original code is now used only the United
  States and has became known as Railroad or
  American Morse code.