EWA BEACH — NGS TU1650 — Kapolei, US

This triangulation station is part of the National Geodetic Survey's fundamental control network, which establishes the geometric framework for surveying and mapping activities throughout the United States and its territories. Located in the Kapolei area of Oahu, Hawaii, at coordinates 21.31263° N, 158.01011° W, this benchmark serves as a reference point for geodetic positioning and surveying operations across the Hawaiian Islands. The ellipsoidal elevation of 17.8 meters reflects the point's vertical position relative to the reference ellipsoid. Trig stations of this classification provide essential horizontal and vertical control for professional surveyors, mapping projects, and spatial data integration. Periodic verification and documentation of such reference points ensure the integrity and reliability of Hawaii's surveying infrastructure and support accurate land surveys, engineering projects, and geographic information systems applications.

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