IGS ISTA

ISTA is an IGS CORS reference station located in Sarıyer, Turkey, tracking GPS, GLONASS, Galileo, BeiDou, and SBAS signals. Surveyors can utilize this station for real-time kinematic (RTK) positioning, static post-processing, and precise baseline determination. Multi-constellation capability ensures robust positioning in challenging environments and supports cm-level accuracy for surveying and geo