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

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Text this: Evaluation of egm2008 using GPS/LEVELING data in Thailand