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  • Thumbnail for U.S. Army hand and arm signals
    proper hand and arm signals found in the FM. However, it is not uncommon for units to adopt and/or create their own signals. These signals ultimately become...
    4 KB (436 words) - 21:16, 18 July 2022
  • three primary signals: Left turn/ overtaking Right turn Stopping/ braking. To signal a left turn, the driver horizontally extends their left arm outwards....
    7 KB (696 words) - 13:42, 30 May 2024
  • Thumbnail for Railway semaphore signal
    Railway semaphore signal is one of the earliest forms of fixed railway signals. This semaphore system involves signals that display their different indications...
    27 KB (3,836 words) - 22:03, 23 April 2024
  • Thumbnail for Railway signalling
    arm signals were used to direct the "train drivers". Foggy and poor-visibility conditions later gave rise to flags and lanterns. Wayside signalling dates...
    45 KB (5,957 words) - 11:58, 30 May 2024
  • Thumbnail for UK railway signalling
    British railway signals. When describing an older semaphore, "on" refers to a signal arm in the horizontal position, and "off" means a signal raised upwards...
    67 KB (8,992 words) - 04:22, 24 May 2024
  • Thumbnail for Military communications
    Telegraph troops Military hand and arm signals Morse code Flag semaphore Flag signals Naval flag signalling Signal lamp Heliograph Radio communications...
    10 KB (1,028 words) - 02:11, 1 May 2024
  • signalling based mechanical signalling. Queensland, Tasmania, and Western Australia used power signals as a direct replacement for mechanical signals...
    84 KB (7,709 words) - 11:31, 30 May 2024
  • Thumbnail for United States Army Air Assault School
    and a test of 10 of 16 hand-and-arm signals. Students must get at least 70% of the questions and seven of the signals right to pass and advance to the...
    15 KB (1,669 words) - 12:27, 16 January 2024
  • Thumbnail for Arm
    human anatomy, the arm refers to the upper limb in common usage, although academically the term specifically means the upper arm between the glenohumeral...
    13 KB (1,534 words) - 18:19, 17 April 2024
  • Thumbnail for Railway signal
    addition of distant signals on the approach to stop signals. The distant signal gave the driver warning that they were approaching a signal which might require...
    26 KB (3,180 words) - 18:06, 8 February 2024
  • ARM (stylised in lowercase as arm, formerly an acronym for Advanced RISC Machines and originally Acorn RISC Machine) is a family of RISC instruction set...
    139 KB (13,580 words) - 22:13, 31 May 2024
  • means of signalling are used: Signal flags Hand-held signal lamps Signal whistle Arm signals Fixed light signals Fixed sound signals Signal signs Orientation...
    9 KB (800 words) - 13:27, 15 January 2024
  • finishing with the arm across the chest, to elaborate signals that resemble those of a conductor of an orchestra. Whichever way the umpire signals a four they...
    27 KB (3,386 words) - 05:15, 8 January 2024
  • Indian Army Corps of Signals is a corps and a combat support arm of the Indian Army, which handles its military communications. It was formed on 15 February...
    7 KB (456 words) - 10:49, 27 November 2023
  • Look up hand signals in Wiktionary, the free dictionary. Hand signals or hand signaling may refer to; Hand signals used by cyclists and motorists to indicate...
    379 bytes (89 words) - 00:22, 22 August 2022
  • Thumbnail for Manual communication
    hand signaling Fingerspelling or manual alphabets Gang signals — signs used to signify allegiance to a gang or local gang branches Hand signals in traffic...
    2 KB (208 words) - 17:15, 19 June 2023
  • successive years the code was expanded including whip signals for horse-drawn vehicles, and signals made by policemen controlling junctions. In 1923 a booklet...
    12 KB (1,514 words) - 19:37, 24 May 2024
  • signals have a very wide dynamic range, signals are often expressed using the logarithmic decibel scale. Based upon the definition of decibel, signal...
    25 KB (3,699 words) - 03:18, 20 April 2024
  • Thumbnail for Arm Holdings
    Arm Holdings plc (formerly an acronym for Advanced RISC Machines and originally Acorn RISC Machine) is a British semiconductor and software design company...
    71 KB (6,328 words) - 12:19, 7 June 2024
  • Thumbnail for Cy Rigler
    Rigler has also been credited with instituting the practice of using arm signals when calling balls and strikes. Born in Massillon, Ohio, Rigler never...
    7 KB (875 words) - 07:34, 8 May 2023
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