V 15 — NGS TU0516 — Honolulu County, US

This trigonometric station is part of the National Geodetic Survey's network of control points that establish the geometric framework for mapping and surveying across the United States. Located in Honolulu County, Hawaii, at coordinates 21.68248° N, 158.03041° W, this trig point serves as a reference for horizontal positioning in the Hawaiian islands region. Trigonometric stations of this type provide fundamental control for cadastral surveys, engineering projects, and geographic information systems. They are established through precise measurements and interconnected with other control points to create a reliable geodetic datum. Verification and documentation of existing benchmarks remain essential for maintaining survey accuracy and enabling continuity in spatial data applications across multiple generations of surveying work.

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