KAPU ASTRO — NGS TU1634 — Kapolei, US

This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental control framework for surveying and mapping throughout the United States. Trig stations serve as precisely positioned reference points from which surveyors and geodesists derive coordinates for subsidiary surveys and projects. Located in the Kapolei area of Hawaii at latitude 21.40250° North and longitude 158.09808° West, this benchmark contributes to Hawaii's geodetic infrastructure and supports local surveying operations. The elevation has not been documented in available records. As a component of NGS's national network, this point's coordinates and stability are integral to maintaining positional accuracy across Hawaii's surveys. Verification and documentation of such reference points ensures the integrity of the geodetic datum and provides reliable baselines for engineering, construction, and land management activities. Regular confirmation of benchmark positions supports ongoing quality assurance within the surveying profession.

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