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             ___      _  __     ___     _____    
    ___     / _ \\   | |/ //   / _ \\  |  __ \\  
   /   ||  / //\ \\  | ' //   | / \ || | |  \ || 
  | [] || |  ___  || | . \\   | \_/ || | |__/ || 
   \__ || |_||  |_|| |_|\_\\   \___//  |_____//  
    -|_|| `-`   `-`  `-` --`   `---`    -----`   
     `-`

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Text this: Vertical Directivity Pattern of Train Noise