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A distress signal, also known as a distress call, is an internationally recognized means for obtaining help. Distress signals are communicated by transmitting radio signals, displaying a visually observable item or illumination, or making a sound audible from a distance.
Nov 19, 2021 · Learn how to use a discreet hand signal, a coded drink or a text message to ask for help in an unsafe situation. Find out the pros and cons of sharing or hiding these signals, and other natural signs of distress to watch out for.
Learn about the methods and rules of distress signals at sea, such as visual, sound, and radio signals. Find out how to distinguish distress signals from other communications and how to actuate alarms of other vessels.
- The Editors of Encyclopaedia Britannica
SOS is a Morse code distress signal ( ), used internationally, originally established for maritime use. In formal notation SOS is written with an overscore line (SOS), to indicate that the Morse code equivalents for the individual letters of "SOS" are transmitted as an unbroken sequence of three dots / three dashes / three dots, with no spaces ...
Jul 20, 2024 · Discover how military communication systems utilize various emergency distress signals, including Morse Code and modern electronic devices. Learn about international standards, best practices, and rescue procedures.
Learn how to signal distress and rescue with different hand gestures in various situations, such as maritime, aviation, domestic violence and human trafficking. See examples, references and sources for each type of distress hand signal.
Mar 15, 2021 · Learn about the simple hand signal, the pharmacy codeword, the iPhone emergency SOS and other ways to signal for help when you are in distress. These methods can be used in various scenarios, such as video calls, answering the door, or making a silent 999 call.
