LONO — NGS DL6320 — Honolulu County, US

This triangulation station is part of the National Geodetic Survey network, which establishes and maintains the foundational control points for the United States' horizontal and vertical geodetic reference framework. Situated in Honolulu County, Hawaii at coordinates 21.59796°N, 158.10326°W with an ellipsoidal elevation of 18.6 meters, this trig point serves as a primary control station for surveying and mapping operations throughout the Hawaiian Islands region. Triangulation stations of this classification provide precise positional data essential for cadastral surveys, engineering projects, and maintaining spatial accuracy in geographic information systems. Documentation and periodic verification of such reference points ensure the integrity of the geodetic network and support accurate land surveys, infrastructure development, and scientific applications requiring high-precision positioning data. This benchmark remains a valuable resource for professional surveyors and mapping professionals operating in the Hawaii area.

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