SOH 94 — NGS DR2166 — Waipahu, US

USNGStrigunknown#436
Latitude
21.516000°
Longitude
-158.052111°
Ortho h
280.45 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental control framework for surveying and mapping throughout the United States. Located near Waipahu on the island of Oahu, Hawaii, this trig point serves as a reference for horizontal positioning at coordinates 21.51600°N, 158.05211°W. Triangulation stations of this classification provide accurate geodetic control essential for boundary surveys, engineering projects, and cartographic work. The NGS network maintains these points as part of the National Spatial Reference System, enabling surveyors and engineers to conduct work with consistent, reproducible accuracy across large areas. Verification and documentation of such control points remain valuable for confirming positional integrity and supporting ongoing surveying activities in Hawaii's critical infrastructure and development projects.

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SOH 94 — NGS DR2166 — Waipahu, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #436 on SurveyingPedia and sits at an approximate elevation of 280.4 metres. Its coordinates in WGS84 are 21.516000°, -158.052111°, corresponding to 21° 30′ 57.60″ N, 158° 3′ 7.60″ 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 SOH 94 — NGS DR2166 — 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)21.516000, -158.052111
WGS84 (DMS)21° 30′ 57.60″ N, 158° 3′ 7.60″ W
UTM zone (approx.)Zone 4N (approx.)
Elevation280.45 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
SOH 95 — NGS DR2167 — Waipahu, US
0.7 km away · US
US NGS · triangulation station
SOH 78 — NGS DR2146 — Waipahu, US
0.9 km away · US
US NGS · triangulation station
H 245 — NGS TU0580 — Waipahu, US
1.1 km away · US
US NGS · triangulation station
POAMOHO — NGS TU1512 — Waipahu, US
1.2 km away · US
US NGS · triangulation station
C 15 — NGS TU0589 — Waipahu, US
1.2 km away · US
US NGS · triangulation station
B 15 — NGS TU0588 — Waipahu, US
1.3 km away · US

Frequently asked questions

What is SOH 94 — NGS DR2166 — Waipahu, US?

SOH 94 — NGS DR2166 — Waipahu, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #436 and sits at an elevation of 280.4 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of SOH 94 — NGS DR2166 — Waipahu, US?

The position of SOH 94 — NGS DR2166 — Waipahu, US in WGS84 is 21.516000°, -158.052111° (decimal), or 21° 30′ 57.60″ N, 158° 3′ 7.60″ 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.