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

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Text this: Vertical Directivity Pattern of Train Noise