1. Center for Materials Engineering, Addis Ababa Institute of Technology, Addis Ababa University, School of Multi-disciplinary Engineering, Addis Ababa, 1000, Ethiopia
2. Space Science and Geospatial Institute, Addis Ababa, Ethiopia
3. HySA Infrastructure Centre of Competence, Faculty of Engineering, North-West University, South Africa (NWU), 2531, South Africa
4. National Institute of Theoretical and Computational Sciences, Johannesburg, 2000, South Africa