S 15 — NGS TU0519 — Honolulu County, US

This trigonometric station is part of the National Geodetic Survey's fundamental control network, which establishes the geometric foundation for all surveying and mapping activities within the United States. Located in Honolulu County, Hawaii, this point serves as a reference for horizontal positioning and triangulation work across the Hawaiian Islands region. Trigonometric stations of this classification were traditionally used to extend precise geodetic control through line-of-sight measurements, supporting both civil engineering projects and cartographic accuracy. The coordinates provided represent the station's horizontal position within the national datum framework. Documentation and periodic verification of such control points remain valuable for maintaining survey integrity, validating modern positioning technologies including GNSS networks, and ensuring consistency of spatial reference systems used by surveying professionals, land records administrators, and infrastructure development across the locality.

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