Signaling

How to communicate with Morse code (using visual, audio, and pressure forms of communication)

About Morse Code Morse code (not "Morris code") is a method of transmitting textual messages using a series of patterns.  Each text unit in the pattern can be represented (or reproduced) using on-off tones (sound), flashing lights, or clicks representing "dots" and "dashes" (known as dits and dahs).  The traditional…
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Signaling

How to use hand and arm signals (visual signaling) to communicate silently

In a military or survival situation where silence must be maintained in order to mask your presence from an enemy, foe, or target, several types of non-verbal communication (visual signals) are available including flags, pyrotechnic, chemical lights, ground-to-air signals, and hand and arm signals. The United States Army Field Manual 21-60 lays out the…
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Signaling

How to use signaling techniques in a survival situation – visual and audio communication methods

Introduction to signaling techniques One of your first concerns when you find yourself in a survival situation is to communicate with your friends or allies. In a survival situation, you must first get your rescuer's attention, then second, send a message your rescuer understands. Some attention-getters are man-made geometric patterns…
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