Positioning geodetic control points time by time, has switched using GPS (Global Positioning System). The development of the basic framework of national system of GPS applications takes advantage of using CORS (Continuously Operating Refference Station). Geodetic control points in Indonesia, realized in regional scale, national and global are used in the field of surveying and mapping, land subsidence studies, studies of plate motion, earthquake, etc. In this case, required of defining stations with high precision and repeatedly because the dynamic nature of CORS stations.In this research, doing redefinition station GNSS CORS UDIP the epoch at 2015 and 2016, using a nine point stations of IGS (CNMR, COCO, DARW, IISC, PBRI, PIMO, TOW2, XMIS, and YARR) and as well eight points of station SRGI ( CBTL, CMAG, CMGL. CPAC, CPWD, and CSEM) to defined the position and velocity. Processing data using GAMIT 10.6 scientific software.The results of this researchwere UDIP CORS station coordinates with the best accuracy, the cartesian coordinates, with the value of X -2210748.65826 m ± 2:11 mm, the value of Y 5931893.19583 m ± 4:40 mm, and the value of Z -777746.10639 m ± 1:27 mm. And as well the velocity rates with the best accuracy were Vx -0.02258 m ±3.53 mm, Vy -0.01065 ±6.52 mm, Vz -0.01089 ±2.36 mm.