94 300 — NGS DI2800 — Waipahu, US

This triangulation station is part of the NGS network, which establishes and maintains the geodetic foundation for surveying, mapping, and infrastructure development across the United States. Located near Waipahu on the island of Oahu, Hawaii, this trig point serves as a reference for local and regional survey work. Triangulation stations are primary control points established to define horizontal and vertical positions with high accuracy. They enable surveyors and engineers to conduct precise measurements for construction, land division, transportation projects, and scientific applications. The ellipsoidal elevation of 28.9 meters reflects the point's position relative to the WGS84 reference surface. Verification and proper documentation of such benchmarks is essential for maintaining the integrity of geodetic networks, ensuring consistency across survey projects, and supporting long-term spatial data infrastructure. Regular monitoring of these control points helps detect crustal movements and environmental changes.

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