SIW2 (WI)

SIW2 is an NGS CORS reference station operated by NOAA National Geodetic Survey in Franklin, US, tracking GPS and GLONASS constellations. Surveyors can utilize this station for real-time kinematic (RTK) positioning, static post-processing, and network-based corrections to achieve centimeter-level accuracy for geodetic and cadastral surveys. Raw observation data are publicly archived for quality co