Assessment of tropospheric delay mapping function models in Egypt: Using PTD database model

Peer review under responsibility of National Research Institute of Astronomy and Geophysics.

Figures & data

Fig. 1 Tropospheric effect on ray tracking (Abdelfatah, 2015).

Fig. 2 Mean annual biasin total mapping function models with different zenith angles.

Fig. 3 Mean annual biasin dry mapping function models with different zenith angles.

Fig. 4 Mean annual biasin wet mapping function models with different zenith angles.

Fig. 5 Total geometric range error (m) using PTD database model and Mendes model.