Research was performed on computation of regional and local
geoid undulations towards height modernization using satellite and
terrestrial gravity data. 61 counties in North Georgia and 4 counties in
NW South Carolina were chosen for this research. GPS and terrestrial gravity
data was collected on 300+ control points. The terrestrial and GRACE gravity
data was compared and used for computation of geoid undulation. This project was
funded by NASA.
Research was performed on geoid modeling. This paper
was published in GPS Navigation.
Research was performed on GPS planning. This paper was
published in the ACSM Journal of Surveying and LIS.