INVESTIGATION OF TROPOSPHERIC RADIO REFRACTIVITY AND OTHER RELEVANT PARAMETERS USING METEOROLOGICAL VARIABLES OVER BAUCHI, NIGERIA. FJS [Internet]. 2024 Apr. 30 [cited 2025 Sep. 11];8(2):306-14. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/2366