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

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Text this: A lower bound of DOA-estimates by an array randomly subject to sensor-breakdown