Variability of TEC and Ionospheric Irregularities With Phases of Solar Cycle Within EIA Over East and West African Regions

R. B. Abdulrahim, National Space Research & Development Agency, Garki, Nigeria, Akeem Babatunde Rabiu, National Space Research & Development Agency, Centre for Atmospheric Research, Garki, Nigeria and Daniel Okoh, Center for Atmospheric Research, National Space Research & Development Agency, Kogi State University Campus, Anyigba 270109, Nigeria., Anyigba, Nigeria