求引力位对重构地球重力场模型必不可少，利用该程序，通过观测的GPS数据可求取引力位-Demand gravitational potential of the essential reconstruction of Earth' s gravity field model, using the program, through the observation of gravitational potential GPS data can be calculated

EGM2008重力场模型在G PS高程拟合中的应用分析-EGM2008 gravity field model in the G PS elevation fitting analysis