HO 8 — NGS TU0676 — Waipahu, US

This triangulation station is part of the National Geodetic Survey's network, which establishes and maintains the fundamental geodetic framework for the United States. Trigonometric stations like this one serve as precise horizontal control points essential for surveying, mapping, and engineering projects across the nation. Located near Waipahu on the island of Oahu, Hawaii, at coordinates 21.34833°N, 158.00306°W, this benchmark contributes to regional spatial reference systems. As a trig point, it was historically established through triangulation methods to provide accurate positioning data for surveyors and cartographers. Documentation and periodic verification of such control points remain critical for maintaining geodetic accuracy. These stations support infrastructure development, cadastral surveys, and scientific applications requiring precise coordinate references. The preservation of benchmark data ensures continuity of surveying standards and enables users to tie their local work into the national geodetic datum.

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