ZHN1 (HI)

ZHN1 is a continuously operating GNSS reference station in Honolulu, Hawaii, operated by NOAA's National Geodetic Survey as part of the NGS CORS network. The station tracks GPS and GLONASS constellations, providing real-time correction data for RTK positioning and archival data for static post-processing and network adjustments. Surveyors can access raw observations and corrections to achieve cent