JRF A — NGS DR8485 — Kapolei, US

This trigonometric station is part of the National Geodetic Survey network that forms the foundation of horizontal and vertical control throughout the United States. Located near Kapolei on the island of Oahu, Hawaii, this control point serves as a reference for surveying, mapping, and engineering projects across the region. Trig stations like this one provide accurate positional data essential for establishing local survey networks and validating modern positioning technologies. The coordinates 21.31025°, -158.07000° and ellipsoidal elevation of 23.8 meters define this point's precise location. Regular verification and documentation of such benchmark monuments ensures the integrity of the nation's geodetic infrastructure and supports accurate spatial data collection for infrastructure development, land surveying, and scientific applications. These reference points remain valuable despite advances in satellite positioning.

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