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  _____      ___     _    _     ______   __   _   
 /  ___||   / _ \\  | |  | ||  /_   _// | || | || 
| // __    | / \ || | |/\| ||   -| ||-  | '--' || 
| \\_\ ||  | \_/ || |  /\  ||   _| ||_  | .--. || 
 \____//    \___//  |_// \_||  /_____// |_|| |_|| 
  `---`     `---`   `-`   `-`  `-----`  `-`  `-`

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Text this: Vertical Directivity Pattern of Train Noise