1. Aeronautics and Astronautics Center, Ethiopian Space Science and Geospatial Institute,Department of Satellite Research, Development & Operations,Addis Ababa,Ethiopia
2. University of Pavia,Department of Electrical, Biomedical and Computer Engineering,Pavia,Italy
3. Entoto Observatory and Research Center, Ethiopian Space Science and Geospatial Institute,Department of Remote Sensing Research & Development,Addis Ababa,Ethiopia