RADIO — NGS TU0586 — Waipahu, US

USNGStrigunknown#633
Latitude
21.520598°
Longitude
-157.997155°
Ortho h
386.81 m
Verifications
0
Last checked
Never
This triangulation station is part of the NGS network, which serves as the foundational control framework for surveying and mapping throughout the United States. Trig stations like this point establish precise horizontal positions used as references for subsequent surveys, engineering projects, and geographic information systems. Located in the Waipahu vicinity on the island of Oahu, Hawaii, this benchmark contributes to the geodetic infrastructure of the Hawaiian Islands. The coordinates 21.52060°N, 157.99715°W define its position within the national coordinate system. As with all such reference monuments, verification and documentation of its physical condition and accessibility are valuable to the surveying community. Surveyors, engineers, and GIS professionals rely upon these established control points to ensure accuracy and consistency in their work. Maintaining complete registry information about these stations supports the integrity of spatial data across all scales of surveying activity.

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RADIO — NGS TU0586 — Waipahu, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #633 on SurveyingPedia and sits at an approximate elevation of 386.8 metres. Its coordinates in WGS84 are 21.520598°, -157.997155°, corresponding to 21° 31′ 14.15″ N, 157° 59′ 49.76″ 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 RADIO — NGS TU0586 — 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)21.520598, -157.997155
WGS84 (DMS)21° 31′ 14.15″ N, 157° 59′ 49.76″ W
UTM zone (approx.)Zone 4N (approx.)
Elevation386.81 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
RADIO RM 2 — NGS TU0585 — Waipahu, US
0.0 km away · US
US NGS · triangulation station
RADIO RM 1 — NGS TU0587 — Waipahu, US
0.0 km away · US
US NGS · triangulation station
ANTENNA — NGS TU0993 — Waipahu, US
0.0 km away · US
US NGS · triangulation station
ANTENNA HUB — NGS TU0994 — Waipahu, US
0.1 km away · US
US NGS · triangulation station
RADIO AZ MK — NGS TU0584 — Waipahu, US
0.5 km away · US
US NGS · triangulation station
WAHIAWA USN COMM STA TOWER — NGS TU1508 — Waipahu, US
1.0 km away · US

Frequently asked questions

What is RADIO — NGS TU0586 — Waipahu, US?

RADIO — NGS TU0586 — Waipahu, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #633 and sits at an elevation of 386.8 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of RADIO — NGS TU0586 — Waipahu, US?

The position of RADIO — NGS TU0586 — Waipahu, US in WGS84 is 21.520598°, -157.997155° (decimal), or 21° 31′ 14.15″ N, 157° 59′ 49.76″ 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.