7 1 — NGS TU0655 — Waipahu, US

This trigonometric station is part of the National Geodetic Survey's fundamental control network, which establishes the geometric framework for surveying and mapping throughout the United States. Trigonometric stations serve as primary reference points for horizontal position control, enabling surveyors to extend precise coordinate networks across regions. Located near Waipahu on the island of Oahu, Hawaii, this benchmark contributes to geodetic infrastructure in the Pacific region. As part of NGS's established network, this point supports cadastral surveys, engineering projects, and geographic information system development. The horizontal coordinates are referenced to the national datum. Verification and documentation of such control points remains essential for maintaining survey accuracy and integrity of spatial data throughout Hawaii and adjacent areas. Surveyors and mapping professionals rely on these established references for consistent, reproducible measurements.

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