BIS6 (AK)

BIS6 is a NOAA-operated CORS reference station located in Sitka, Alaska, tracking GPS and GLONASS constellations. Surveyors can utilize this station for real-time kinematic (RTK) positioning, static post-processing, and network adjustments with centimeter-level accuracy. Part of the NGS CORS network, it provides continuous observations for precise geospatial work throughout southeast Alaska.