SOH 04 — NGS DR2064 — Honolulu County, US

This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental geodetic control framework for the United States. Located in Honolulu County, Hawaii at coordinates 21.51511°N, 158.22775°W, this trig point serves as a reference for surveying, mapping, and positioning activities throughout the region. Triangulation stations of this type historically provided precise horizontal control for large-scale surveying operations and continue to serve as validation points for modern positioning systems. The benchmark's inclusion in the NGS registry ensures its availability for professional surveyors conducting boundary surveys, engineering projects, and geodetic research. Verification and documentation of such control points remain essential for maintaining the integrity of the national spatial reference system. Surveyors may utilize this station to check instrument accuracy and establish local coordinate frameworks for detailed work in the Hawaiian Islands.

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