Construction Engineering and Utilities Department;
Faculty of Engineering;
Zagazig University;
Zagazig;
Egypt;
National Research Institute of Astronomy and Geophysics (NRIAG);
Cairo;
Egypt;
Institute of Geodesy and Geoinformation;
University of Bonn;
Bonn;
Germany;
The Bilbies Higher Institute of Engineering;
Bilbies;
Egypt;
GOCE-Based; GGMs; Gravity; Anomalies; GNSS/Levelling; Spectral; Enhancement; Method; (SEM);