INVESTIGATING THE VARIATIONS OF HORIZONTAL (H) AND VERTICAL (Z) COMPONENTS OF THE GEOMAGNETIC FIELD AT SOME EQUATORIAL ELECTROJET STATIONS. FJS [Internet]. 2021 Jul. 14 [cited 2025 Sep. 11];5(1):539-57. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/661