SCHOFIELD EAST BASE — NGS TU0652 — Waipahu, US

This triangulation station is part of the NGS network, which establishes the fundamental geodetic framework for the United States. Located near Waipahu on the island of Oahu, Hawaii, at coordinates 21.48049°N, 158.02568°W, this trig point serves as a control station for surveying and mapping operations throughout the Hawaiian Islands. Triangulation stations of this type have historically provided precise horizontal control for large-scale surveys and engineering projects. As a reference monument, this point contributes to the overall accuracy and consistency of spatial data used by surveyors, engineers, and planners. Documentation and periodic verification of such benchmarks remains valuable for maintaining geodetic infrastructure integrity and ensuring reliable coordinate references for contemporary surveying, GIS applications, and civil engineering work in the region.

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