發送短信 : Angular extension of io magnetic footprint in response to Io’s locations

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