Signaling

Signaling requirements

1938 merit badge requirements

1. Send and receive by Semaphore Code at the rate of not fewer than forty-eight letters per minute, or in the General Service (International Morse) Code, not fewer than twenty-four letters per minute.
2. Send and receive signals by sound, using the buzzer, sounder, whistle, or bugle.
3. Make an electric buzzer outfit, wireless outfit, blinker, or a heliograph outfit and send a message of not less than twenty-four letters with the same.

1945, 1950 merit badge requirements

1. Make an electric buzzer outfit, wireless, blinker, or other signaling device.
2. Send and receive in the International Morse Code, by buzzer or other sound device, a complete message of not less than 35 words, at a rate of not less than 35 letters per minute.
3. Demonstrate an ability to send and receive a message in the International Morse Code by wigwag and by blinker or other light signaling device at a rate of not less than 20 letters per minute.
4. Send and receive by Semaphore Code at the rate of not less than 30 letters per minute.
5. Know the proper application of the International Morse Code and Semaphore Codes; when, where, and how they can be used to best advantage.
6. Discuss briefly various other codes and methods of signaling which are in common use.

The official source for the information shown in this article or section is: Handbook for Boys, 1946 Edition