AY Honors/Communications/Answer Key
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< AY Honors | CommunicationsAY Honors/Communications/Answer Key /
Communications
1. Do one of the following:
a. Send and receive by International Morse Code at the rate of three words per minute using flashlight, whistle, mirror, buzzer, or key. (Five-letter words, minimum of 20 words.)
b. Send and receive by semaphore code at the rate of seven words per minute using semaphore flags. (Five-letter words, minimum of 20 words.)
The newer flag semaphore system uses two short poles with square flags, which a flagperson holds in different positions to signal letters of the alphabet and numbers. The flagperson holds one pole in each hand, and extends each arm in one of seven possible directions. Except for in the rest position, the flags cannot overlap. The flags are coloured differently based on whether the signals are sent by sea or by land. At sea, the flags are coloured red and yellow, while on land, they are red and white.
| 80px Rest position |
80px Numerals |
80px Attention |
80px Cancel | ||
| 80px A / 1 |
80px B / 2 |
80px C / 3 / Ack |
80px D / 4 |
80px E / 5 / Error 9x's |
80px F / 6 |
| 80px G / 7 |
80px H / 8 |
80px I / 9 |
80px J / Letters |
80px K / 0 | |
| 80px L |
80px M |
80px N |
80px O |
80px P | |
| 80px Q |
80px R |
80px S |
80px T |
80px U | |
| 80px V |
80px W |
80px X |
80px Y |
80px Z |
