SOH 45 — NGS DR2107 — Waipahu, US

USNGStrigunknown#533
Latitude
21.419472°
Longitude
-158.049111°
Ortho h
198.88 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's horizontal control network, which establishes the foundational reference framework for surveying and mapping throughout the United States. Located in the Waipahu area of Oahu, Hawaii, this trig point serves as a permanent monument for precise geodetic positioning. Triangulation stations of this type form essential nodes in the NGS network, enabling surveyors, engineers, and cartographers to conduct accurate measurements for land surveys, infrastructure development, and geographic documentation. The point's published coordinates at 21.41947°N, 158.04911°W provide a stable reference for local and regional surveying activities. Verification and maintenance of such benchmarks remain critical to preserving the integrity of Hawaii's geodetic infrastructure. Surveyors conducting work in this region should locate and document this point's current condition to ensure continued reliability as a reference standard for precision measurement applications.

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SOH 45 — NGS DR2107 — Waipahu, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #533 on SurveyingPedia and sits at an approximate elevation of 198.9 metres. Its coordinates in WGS84 are 21.419472°, -158.049111°, corresponding to 21° 25′ 10.10″ N, 158° 2′ 56.80″ 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 45 — NGS DR2107 — 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)21.419472, -158.049111
WGS84 (DMS)21° 25′ 10.10″ N, 158° 2′ 56.80″ W
UTM zone (approx.)Zone 4N (approx.)
Elevation198.88 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 44 — NGS DR2106 — Waipahu, US
0.9 km away · US
US NGS · triangulation station
SOH 46 — NGS DR2108 — Waipahu, US
0.9 km away · US
US NGS · triangulation station
SOH 47 — NGS DR2109 — Waipahu, US
1.7 km away · US
US NGS · triangulation station
SOH 43 — NGS DR2105 — Waipahu, US
2.1 km away · US
US NGS · triangulation station
STATE SURVEY 9 10 — NGS TU1629 — Waipahu, US
2.4 km away · US
US NGS · triangulation station
KUNIA RADIO STA KAHU MAST — NGS TU1631 — Waipahu, US
2.8 km away · US

Frequently asked questions

What is SOH 45 — NGS DR2107 — Waipahu, US?

SOH 45 — NGS DR2107 — Waipahu, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #533 and sits at an elevation of 198.9 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of SOH 45 — NGS DR2107 — Waipahu, US?

The position of SOH 45 — NGS DR2107 — Waipahu, US in WGS84 is 21.419472°, -158.049111° (decimal), or 21° 25′ 10.10″ N, 158° 2′ 56.80″ 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.