PEAHINAIA — NGS TU1474 — Honolulu County, US

This triangulation station is part of the NGS network, which establishes the fundamental geodetic control for the United States. Trig points serve as primary reference stations for surveying and mapping operations, providing precise horizontal positioning data that support both civilian and official government surveying efforts. Located in Honolulu County, Hawaii, this station is part of the broader Hawaiian geodetic network. The coordinates 21.55487°, -157.99105° define its horizontal position within the National Spatial Reference System. Trigonometric stations of this type traditionally marked visible points on elevated terrain or structures, enabling surveyors to establish sight lines for triangulation work. Verification and documentation of such benchmarks remain valuable for maintaining survey network integrity, supporting modern GPS/GNSS validation efforts, and preserving historical survey records. Professional surveyors rely on NGS control points for project georeferencing and accuracy assessment.

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