CHNN (JA)

CHNN is a continuously operating reference station located in Nanjō, Japan, operated by NOAA's National Geodetic Survey as part of the NGS_CORS network. It tracks GPS and GLONASS signals to provide real-time RTK corrections and post-processing data for precise positioning applications. Surveyors can use CHNN for centimeter-level accuracy in RTK surveys, static baseline measurements, and network ad