UNUTS — NGS DI2798 — Waipahu, US

This triangulation station is part of the NGS network that establishes the fundamental geodetic control for the United States. Trig stations of this type serve as primary reference points for surveying, mapping, and engineering projects requiring precise horizontal positioning and elevation data. Located in the Waipahu area of Oahu, Hawaii, at coordinates 21.37424°N, 158.03126°W and an ellipsoidal elevation of 44.1 meters, this point contributes to the national spatial reference framework for the Hawaiian Islands. Such monuments are monumented points that have been established and tied to broader coordinate networks through careful geodetic measurement. Verification and documentation of these reference points remain essential for maintaining the integrity of surveying control networks, supporting infrastructure development, and ensuring consistency in spatial data across Hawaii and the Pacific region.

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