Ashraf Abdallah

Abdallah, A., et al. (2020): "Efficiency of using GNSS-PPP for digital elevation model (DEM) production." Artificial Satellites 55(1): 17-28.

Hamed, M., et al. (2019): "Kinematic PPP using mixed GPS/GLONASS single-frequency observations." Artificial Satellites 54(3): 97-112.

Abdallah, A. and V. Schwieger (2018): Improving Hydrographic PPP by Height Constraining. FIG Congress.

Abdallah, A. (2016): "Precise point positioning for kinematic applications to improve hydrographic survey."

Abdallah, A. and V. Schwieger (2016): "Static GNSS precise point positioning using free online services for Africa." Survey Review 48(346): 61-77.

Abdallah, A. and V. Schwieger (2015): Kinematic Precise Point Positioning (PPP) Solution for Hydrographic Applications. FIG Congress.

Abdallah, A. and V. Schwieger (2015): "The effect of convergence time on the static-PPP solution." Integration of Point-and Area-wise Geodetic Monitoring for Structures and Natural Objects: 58.

Abdallah, A. and V. Schwieger (2014): Accuracy Assessment Study of GNSS Precise Point Positioning for Kinematic Positioning. Schattenberg, J., Minßen, TF: Proceeding on 4th International Conference on Machine Control and Guidance (MCG), Braunschweig: Institut für mobile Maschinen und Nutzfahrzeuge, Braunschweig, Germany.

Abdallah, A. and V. Schwieger (2013): "Accuracy assessment study of precise point positioning for static and kinematic surveying." Signatur: S7-2013 6.

Talaat, A., et al. (2009): "Accuracy Assessment Study of Static-GPS in South Egypt." South Valley University.

Abdallah, A. (2009): Accuracy assessment study of using GPS for surveying applications in south Egypt: Master of science thesis/Ashraf Talaat Mohammad Abdallah, А.        

Farah, A., et al. (2008): "Accuracy assessment of digital elevation models using GPS." Artificial Satellites 43(4): 151.