TIDAL 6 — NGS TU0604

This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental control framework for surveying and mapping throughout the United States. Trigonometric stations such as this serve as monumented reference points for horizontal positioning and are distributed across the country to provide accurate geodetic control. Located at 21.44028°N, 158.19083°W, this benchmark is situated in Hawaii. Triangulation stations of this type have historically been established at visually prominent locations to facilitate sightings between stations during geodetic surveys. Verification and documentation of existing control points remain essential for modern surveying operations, GPS network densification, and maintaining the integrity of the national spatial reference system. Professional surveyors and cartographers rely on such established control to ensure consistency and accuracy in their work. Recording current conditions and monument status contributes valuable information for the surveying community and supports infrastructure development.

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