HO 8 — NGS TU0676 — Waipahu, US

USNGStrigunknown#671
Latitude
21.348333°
Longitude
-158.003056°
Ortho h
6.52 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes and maintains the fundamental geodetic framework for the United States. Trigonometric stations like this one serve as precise horizontal control points essential for surveying, mapping, and engineering projects across the nation. Located near Waipahu on the island of Oahu, Hawaii, at coordinates 21.34833°N, 158.00306°W, this benchmark contributes to regional spatial reference systems. As a trig point, it was historically established through triangulation methods to provide accurate positioning data for surveyors and cartographers. Documentation and periodic verification of such control points remain critical for maintaining geodetic accuracy. These stations support infrastructure development, cadastral surveys, and scientific applications requiring precise coordinate references. The preservation of benchmark data ensures continuity of surveying standards and enables users to tie their local work into the national geodetic datum.

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HO 8 — NGS TU0676 — Waipahu, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #671 on SurveyingPedia and sits at an approximate elevation of 6.5 metres. Its coordinates in WGS84 are 21.348333°, -158.003056°, corresponding to 21° 20′ 54.00″ N, 158° 0′ 11.00″ 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 HO 8 — NGS TU0676 — Waipahu, 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)21.348333, -158.003056
WGS84 (DMS)21° 20′ 54.00″ N, 158° 0′ 11.00″ W
UTM zone (approx.)Zone 4N (approx.)
Elevation6.52 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:

GeoNames topographic database · cape
Nichols Point
1.0 km away · US
GeoNames topographic database · cape
Hanaloa Point
1.1 km away · US
GeoNames topographic database · cape
Powder Point
1.1 km away · US
GeoNames topographic database · cape
Intrepid Point
1.5 km away · US
US NGS · triangulation station
HO 9 — NGS TU0673 — Waipahu, US
1.5 km away · US
US NGS · triangulation station
EWA PLAN — NGS DI2792 — Waipahu, US
1.5 km away · US

Frequently asked questions

What is HO 8 — NGS TU0676 — Waipahu, US?

HO 8 — NGS TU0676 — Waipahu, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #671 and sits at an elevation of 6.5 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of HO 8 — NGS TU0676 — Waipahu, US?

The position of HO 8 — NGS TU0676 — Waipahu, US in WGS84 is 21.348333°, -158.003056° (decimal), or 21° 20′ 54.00″ N, 158° 0′ 11.00″ 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.