RADIO — NGS TU0586 — Waipahu, US

This triangulation station is part of the NGS network, which serves as the foundational control framework for surveying and mapping throughout the United States. Trig stations like this point establish precise horizontal positions used as references for subsequent surveys, engineering projects, and geographic information systems. Located in the Waipahu vicinity on the island of Oahu, Hawaii, this benchmark contributes to the geodetic infrastructure of the Hawaiian Islands. The coordinates 21.52060°N, 157.99715°W define its position within the national coordinate system. As with all such reference monuments, verification and documentation of its physical condition and accessibility are valuable to the surveying community. Surveyors, engineers, and GIS professionals rely upon these established control points to ensure accuracy and consistency in their work. Maintaining complete registry information about these stations supports the integrity of spatial data across all scales of surveying activity.

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