F 245 — NGS TU0661 — Waipahu, US

This trigonometric station is part of the National Geodetic Survey's network of control points that establish the geometric framework for mapping and surveying activities across the United States. Located in the Waipahu area of Oahu, Hawaii, at coordinates 21.48932° N, 158.03520° W, this trig point serves as a reference station for horizontal control. Trigonometric stations like this monument are fundamental to accurate surveying operations, providing surveyors and engineers with precisely positioned reference points for local and regional projects. The NGS network ensures spatial consistency across diverse applications including property boundary determination, infrastructure development, and scientific research. Verification and documentation of such benchmarks remain essential for maintaining geodetic infrastructure integrity. These control points support the reliability of positional data throughout Hawaii's survey community and contribute to the broader national geodetic datum framework.

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