Visual Signaling and Morse Code Worksheet

Who invented the Morse Code system?

• Guglielmo Marconi

• Samuel F.B. Morse

• Alexander Graham Bell

• Nikola Tesla

The International Morse Code was devised in what year?

• 1830

• 1845

• 1851

• 1860

In Morse code, a dash is equivalent to how many units?

• 1

• 2

• 3

• 4

The space between two complete symbols is equivalent to how many units?

• 1

• 3

• 5

• 7

The space between two words or groups in Morse Code is equal to:

(a)  

What does the letter “A” indicate when used before numerals?

• Course

• Azimuth or Bearing

• Speed

• Latitude

The letter “C” before numerals indicates:

• Course

• Compass

• Communication

• Call sign

The letter “D” before numerals indicates:

• Date

• Distance

• Depth

• Degrees

“L” followed by four figures indicates:

• Longitude

• Latitude

• Local time

What letter is used to denote distance in nautical miles?

• D

• R

• N

• S