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

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Text this: Low-latitude ionospheric height variation as observed by meridional ionosonde chain: Formation of ionospheric ceiling over the magnetic equator