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. 5];5(1):539-57. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/661