PUU KAILIO 10000 1969 — NGS TU1705 — Kapolei, US

USNGStrigunknown#506
Latitude
21.389487°
Longitude
-158.154505°
Ortho h
4.00 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental geodetic framework for the United States. Triangulation stations serve as primary control points for surveying, mapping, and engineering projects requiring precise horizontal positioning. Located near Kapolei on the island of Oahu, Hawaii, at coordinates 21.38949° N, 158.15451° W, this point contributes to the Pacific regional geodetic infrastructure. As a trig station, it was established to provide accurate reference positions for secondary surveys and construction activities across Hawaii. Verification and documentation of such benchmarks remain essential for maintaining the integrity of the National Spatial Reference System. These control points support civil engineering, land surveying, and geographic information system applications. Regular confirmation of mark stability and accessibility ensures continued utility for surveying professionals throughout the region.

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PUU KAILIO 10000 1969 — NGS TU1705 — Kapolei, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #506 on SurveyingPedia and sits at an approximate elevation of 4.0 metres. Its coordinates in WGS84 are 21.389487°, -158.154505°, corresponding to 21° 23′ 22.15″ N, 158° 9′ 16.22″ W in the traditional degrees-minutes-seconds format. This page is a self-updating reference — all data is aggregated from public open sources and cross-checked periodically against the originating agency.

Professional surveyors, engineers, and topographers use points like PUU KAILIO 10000 1969 — NGS TU1705 — Kapolei, US to anchor total-station traverses, verify GNSS/RTK solutions, calibrate levelling instruments, and validate survey deliverables against known coordinates. The record on this page is refreshed daily via automated pipelines that monitor the public sources for any updates, corrections, or status changes.

Coordinate formats

WGS84 (decimal)21.389487, -158.154505
WGS84 (DMS)21° 23′ 22.15″ N, 158° 9′ 16.22″ W
UTM zone (approx.)Zone 4N (approx.)
Elevation4.00 m
Precise conversionOpen in coordinate converter →

Geodetic context in United States

The national geodetic reference in United States is maintained by National Geodetic Survey (NGS). The active datum is NAD83(2011) / NATRF2022 (active). Coordinates shown on this page are expressed in WGS84 (ETRF/ITRF-compatible) which is directly usable in most modern GNSS receivers. For cadastral work in United States you may need to convert to the local datum using the Coordinate Hub.

Browse the full list of indexed control points in United States from the country page.

Nearby benchmarks

The closest 6 indexed control points within roughly 50 km of this location:

US NGS · triangulation station
POT 124+29.46 LUALUALEI — NGS TU1722 — Kapolei, US
0.3 km away · US
US NGS · triangulation station
100+23.38 — NGS TU1723 — Kapolei, US
0.4 km away · US
US NGS · triangulation station
8 8 SS — NGS TU0614 — Kapolei, US
0.4 km away · US
US NGS · triangulation station
SOH 10B — NGS DR2073 — Kapolei, US
0.5 km away · US
US NGS · triangulation station
SOH 11 — NGS DR2074 — Kapolei, US
0.8 km away · US
US NGS · triangulation station
PI MON 1 A — NGS TU1721 — Kapolei, US
1.0 km away · US

Frequently asked questions

What is PUU KAILIO 10000 1969 — NGS TU1705 — Kapolei, US?

PUU KAILIO 10000 1969 — NGS TU1705 — Kapolei, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #506 and sits at an elevation of 4.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of PUU KAILIO 10000 1969 — NGS TU1705 — Kapolei, US?

The position of PUU KAILIO 10000 1969 — NGS TU1705 — Kapolei, US in WGS84 is 21.389487°, -158.154505° (decimal), or 21° 23′ 22.15″ N, 158° 9′ 16.22″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 4N (approx.).

How can I reach and visit this triangulation station?

Use the satellite imagery above to see the surrounding area. You can open this location directly in Google Maps, Google Earth, Bing Maps, or OpenStreetMap using the buttons provided. Many geodetic points are accessible to the public; some are on protected or private land — check local regulations before any field visit. Always bring documentation or your credentials if you plan to use the marker for professional measurement.

Is this point verified and usable for professional surveying?

This record has been community-verified 0 times. Data quality depends on the source: NGS and official national agency points are typically centimetre-accurate, OpenStreetMap survey points are metre-accurate, and GeoNames topographic landmarks (peaks, hills) are reference-grade only. Always cross-reference with the original agency datasheet before using this point for cadastral, legal, or safety-critical work.

Original source: this record was imported from ngs_public. Always refer to the original datasheet for the most up-to-date and authoritative data.