RRW1 (IL)

The RRW1 CORS reference station in Machesney Park, Illinois, operated by NOAA's National Geodetic Survey, provides continuous dual-constellation GPS and GLONASS observations for NGS_CORS network users. Surveyors can utilize this station for real-time kinematic (RTK) positioning, static post-processing, and network-based differential corrections to achieve centimeter-level accuracy for surveying an