5 questions
What are the ways you can use Morse code? Check all the ones that you think.
Telegraph
Voice
Sound
Light
Decode the message.
-... .- .-.. - .. -- --- .-. .
Listen to the message. What does it say?
sos
help
mom
Which would be easier to decode?
Written Morse Code
Sound Morse code (beeps)
Light Morse Code
Telegraphs are one way to use ______ _______ , light is another way.