Ogobor, Efua Anthony, Gbenro Benjamin Ayantunji, Enoch Oluwaseun Elemo, Adewumi Segun Adebayo, Joshua Olamide Benjamin, Mangete Otonye, Blessing Ochanya Onuh, and Hauwa Sani Abdulkadir. 2026. “Short-Term Comparative Validation of IGS Final Global Ionospheric Map VTEC Using Local GNSS Observations over Ogbomoso, Nigeria”. Nigerian Journal of Theoretical and Environmental Physics 4 (3): 166-78. https://doi.org/10.62292/.