IACB (IA)

IACB is a continuously operating GNSS reference station in Council Bluffs, Iowa, operated by NOAA's National Geodetic Survey within the NGS CORS network. It tracks GPS and GLONASS constellations, providing real-time RTK corrections and archival data for static post-processing to achieve centimeter-level accuracy. Surveyors can use IACB for precise positioning, baseline establishment, and quality c