SOS is the commonly used description for the International Morse code distress signal (· · · — — — · · ·). This distress signal was first adopted by the German government in radio regulations effective April 1, 1905, and became the worldwide standard when it was included in the second International Radiotelegraphic Convention, which was signed on November 3, 1906, and became effective on July 1, 1908.From the beginning, the SOS distress signal has actually consisted of a continuous sequence of three-dits/three-dahs/three-dits, all run together without letter spacing. In International Morse Code, three dits form the letter S, and three dahs make the letter O, so "SOS" became an easy way to remember the correct order of the dits and dahs. In modern terminology, SOS is a "procedural signal" or "prosign", and the formal way to write it is with a bar above the letters, i.e. SOS.
In popular usage, SOS became associated with phrases such as "Save Our Souls," "Save our Ship" "Save Our Shelby," "Shoot Our Ship", "Sinking Our Ship", "Survivors On Shore", and others. It is mostly known by "Save Our Souls". However, these phrases were a later development, most likely used to help remember the correct letters—something known as a backronym.
Many songs have been made of the distress signal SOS, such as "Message in a Bottle" by The Police, "SOS" by ABBA, "SOS" by Rihanna, "S.O.S." by The Jonas Brothers, and "Stranger" by Gamma. SOS was also used in many other ways, such as "Secret of Santa" in Disney's movie "The Santa Clause 3: The escape clause".
Vocabulary
distress (n) = ความกังวลใจ,ความยุ่งยาก
regulation (n) = กฏข้อบังคับ,การวางข้อกำหนด
dit (n) = สัญญาณในการส่งรหัสวิทยุ
dah (n) = สัญลักษ์ขีดยาว
terminology (n) = ศัพท์เฉพาะทาง
procedural (adj.) = เกี่ยวกับข้นตอน
usage (n) = การใช้,ธรรมเนียม
Monday, January 07, 2008
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