1. Construction Engineering and Utilities Department, Faculty of Engineering, Zagazig University, Zagazig, Egypt
2. Astronomical, Physical and Mathematical Geodesy (APMG) Department, Institute of Geodesy and Geoinformation, University of Bonn, Bonn, Germany
3. Geodynamics Department, National Research Institute of Astronomy and Geophysics (NRIAG), Helwan, Cairo, Egypt
4. The Bilbies Higher Institute of Engineering, Egypt