Then, the above mentioned technique was implemented and a geoidal model for the area was developed and tested.
Abdullah S. Alsalman 1998, 'Modeling GPS-Derived Orthometric Heights for a Small and Dense Network', Journal of King Saud University: Engineering Scienceshttp://www.sciencedirect.com/science/article/pii/S1018363918306998. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)