This is a study on Ionospheric Physics compiled at Washera Geospace and Radar Science Laboratory Department of Physics, College of Science Bahir Dar University Bahir Dar, Ethiopia. It reports on the characteristics of East African ionosphere inferred from image of electron density by inverting the electron content of the ionosphere from a chain of ten ground-based GPS deployed in the East African sector. For the inversion, statistical approach based on Bayesian framework is used.