SCHOFIELD W BASE — NGS TU0659 — Waipahu, US

This trigonometric station is part of the National Geodetic Survey's network, which establishes and maintains the fundamental control points underlying the United States' geodetic infrastructure. Located near Waipahu on the island of Oahu, Hawaii, at coordinates 21.48596°N, 158.06720°W, this trig point serves as a reference for precise surveying and mapping activities throughout the region. Trigonometric stations of this type provide essential horizontal control for local surveys, engineering projects, and geographic information system applications. The point's documented coordinates enable surveyors to establish accurate local frameworks and verify the integrity of survey measurements. Periodic verification and proper documentation of such benchmark stations remain critical to maintaining the reliability of Hawaii's geodetic foundation and supporting continued development and infrastructure management in the islands.

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