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

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發送短信 : Planar Helical Antenna of Circular Polarization