Y 15 A — NGS DR8034 — Honolulu County, US

USNGStrigunknown#741
Latitude
21.693111°
Longitude
-157.977889°
Ortho h
6.25 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network of control points that form the foundation of the United States' geodetic infrastructure. Located in Honolulu County, Hawaii, at coordinates 21.69311° N, 157.97789° W, this trig point serves as a reference marker for precise horizontal positioning in the region. Trigonometric stations like this one were established to enable accurate surveying, mapping, and cadastral work across the country. The point's inclusion in the NGS registry ensures that surveyors, engineers, and cartographers can access reliable horizontal control data for local projects. Verification and continued documentation of such benchmarks remain essential for maintaining geodetic accuracy and supporting infrastructure development, land records, and scientific applications throughout the Hawaiian Islands.

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Y 15 A — NGS DR8034 — Honolulu County, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #741 on SurveyingPedia and sits at an approximate elevation of 6.3 metres. Its coordinates in WGS84 are 21.693111°, -157.977889°, corresponding to 21° 41′ 35.20″ N, 157° 58′ 40.40″ 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 Y 15 A — NGS DR8034 — Honolulu County, 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)21.693111, -157.977889
WGS84 (DMS)21° 41′ 35.20″ N, 157° 58′ 40.40″ W
UTM zone (approx.)Zone 4N (approx.)
Elevation6.25 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
PARK 7 9 — NGS DR2256 — Honolulu County, US
0.9 km away · US
US NGS · triangulation station
5 9 A — NGS TU0508 — Honolulu County, US
1.1 km away · US
US NGS · triangulation station
PARK 7 8 — NGS DR2255 — Honolulu County, US
1.3 km away · US
US NGS · triangulation station
5 10 RESET — NGS DR2259 — Honolulu County, US
1.5 km away · US
US NGS · triangulation station
5 10 — NGS TU0510 — Honolulu County, US
1.6 km away · US
US NGS · triangulation station
KAHUKU NEW 2 LAND SURVEYOR PIPE — NGS TU1489 — Honolulu County, US
1.9 km away · US

Frequently asked questions

What is Y 15 A — NGS DR8034 — Honolulu County, US?

Y 15 A — NGS DR8034 — Honolulu County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #741 and sits at an elevation of 6.3 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of Y 15 A — NGS DR8034 — Honolulu County, US?

The position of Y 15 A — NGS DR8034 — Honolulu County, US in WGS84 is 21.693111°, -157.977889° (decimal), or 21° 41′ 35.20″ N, 157° 58′ 40.40″ 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.