Amr El-Demiry

A., E. - D., A. R. M., and E. - S. A., "An Assessment of Using IGS Global Ionospheric Maps for Single FrequencyPrecise Point Positioning in Egypt", Melaha Working Week 2014., Alexandria, 1 September, 2014. d09400631124009314006igm_for_sf_ppp_in_egypt-melaha_2014.pdf