Comparative Analysis for the Seasonal Variations of the IF2 and T Ionospheric Indices during Solar Cycles 23 and 24. Iraqi Journal of Science [Internet]. 2024 Nov. 15 [cited 2025 Jan. 21];65(10(SI):5972-87. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11219