J 245 — NGS TU0581 — Waipahu, US

This triangulation station is part of the NGS network, which establishes and maintains the fundamental geodetic control for the United States. Situated near Waipahu on the island of Oahu, Hawaii, at coordinates 21.50556° N, 158.03306° W, this trig point serves as a reference station for surveying and mapping activities across the Hawaiian Islands. Triangulation stations of this type form the backbone of horizontal control networks, providing monumented positions of known accuracy for surveyors, engineers, and cartographers. The point's location in the Honolulu area makes it valuable for local and regional surveying projects. Verification and documentation of such benchmarks remain essential for maintaining geodetic infrastructure integrity. Professional surveyors rely on these established control points to ensure positional accuracy in their work. Current elevation data for this station should be obtained from NGS records to complete its characterization.

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