CAST — NGS TU2738 — Hawaiʻi County, US

USNGStrigunknown#2420
Latitude
20.191800°
Longitude
-155.894868°
Ortho h
78.80 m
Verifications
0
Last checked
Never
This triangulation station represents a foundational control point within the National Geodetic Survey's network, which establishes the vertical and horizontal datum framework essential to surveying and mapping activities across the United States. Located in Hawaiʻi County, Hawaii, this trig point serves as a reference for local and regional surveys, supporting cadastral work, infrastructure development, and geographic information systems. Triangulation stations of this type historically formed the backbone of geodetic networks before modern satellite positioning techniques became prevalent. Contemporary surveyors and engineers verify and document such stations to maintain positional continuity, validate GNSS observations, and preserve institutional knowledge of the nation's geodetic infrastructure. Accurate documentation of control point locations and characteristics remains valuable for quality assurance and historical reference purposes in professional surveying practice.

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CAST — NGS TU2738 — Hawaiʻi County, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #2420 on SurveyingPedia and sits at an approximate elevation of 78.8 metres. Its coordinates in WGS84 are 20.191800°, -155.894868°, corresponding to 20° 11′ 30.48″ N, 155° 53′ 41.52″ 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 CAST — NGS TU2738 — Hawaiʻi 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)20.191800, -155.894868
WGS84 (DMS)20° 11′ 30.48″ N, 155° 53′ 41.52″ W
UTM zone (approx.)Zone 5N (approx.)
Elevation78.80 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
RAIL — NGS TU2748 — Hawaiʻi County, US
0.8 km away · US
US NGS · triangulation station
MAHUKONA HARBOR CHURCH SPIRE — NGS TU2741 — Hawaiʻi County, US
0.9 km away · US
US NGS · triangulation station
MAHUKONA HARBOR SCHOOLHOUSE FS — NGS TU2743 — Hawaiʻi County, US
1.0 km away · US
US NGS · triangulation station
MAHUKONA LIGHT — NGS TU2746 — Hawaiʻi County, US
1.4 km away · US
US NGS · triangulation station
RIDGE — NGS TU2737 — Hawaiʻi County, US
2.2 km away · US
US NGS · triangulation station
MAHU — NGS TU2740 — Hawaiʻi County, US
4.3 km away · US

Frequently asked questions

What is CAST — NGS TU2738 — Hawaiʻi County, US?

CAST — NGS TU2738 — Hawaiʻi County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #2420 and sits at an elevation of 78.8 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of CAST — NGS TU2738 — Hawaiʻi County, US?

The position of CAST — NGS TU2738 — Hawaiʻi County, US in WGS84 is 20.191800°, -155.894868° (decimal), or 20° 11′ 30.48″ N, 155° 53′ 41.52″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 5N (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.