publication Conference Paper 2018 Towards Modern Geomatics Engineering Program Elhassan, Ismat M. . 2018 Conference Location FIG Conference more of publication Checking Manufacturing Height Accuracy of a Total Station A loop traverse of ten bheight control points (determined using Precise Automatic Level) were used to check height accuracy of a SOKKIA Total Station. Height accuracy was found to be 5mm which… by Ismat M. Elhassan 2019 Geoid Modelling for Surveying Works Using Satellite Geo-Spatial Data Multiple regression was used to model Riyadh Geoid in a limited area. Fifth degree polynomial gives the best fit. by Hasan Bilani and Ismat Elhassan 2020 Towards Modern Geomatics Engineering Program by Ismat M. Elhassan 2018