U 20 — NGS TU0081 — Hawaiʻi County, US

USNGStrigunknown#3368
Latitude
19.464722°
Longitude
-155.166944°
Ortho h
796.13 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's horizontal control network, which establishes the foundational coordinate framework for mapping and surveying across the United States. Located in Hawaiʻi County, Hawaii, this trig point serves as a reference station for precise positioning work in the Hawaiian Islands region. Triangulation stations of this classification provide essential ground-truth control for surveyors, engineers, and mapping professionals conducting detailed cadastral surveys, construction projects, and geographic information system development. The documented horizontal coordinates enable users to tie local surveys into the national datum. Verification and maintenance of such control points remain important for preserving survey accuracy and supporting infrastructure development. Survey professionals should verify current accessibility and condition before field operations.

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U 20 — NGS TU0081 — 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 #3368 on SurveyingPedia and sits at an approximate elevation of 796.1 metres. Its coordinates in WGS84 are 19.464722°, -155.166944°, corresponding to 19° 27′ 53.00″ N, 155° 10′ 1.00″ 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 U 20 — NGS TU0081 — 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)19.464722, -155.166944
WGS84 (DMS)19° 27′ 53.00″ N, 155° 10′ 1.00″ W
UTM zone (approx.)Zone 5N (approx.)
Elevation796.13 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
T 1 — NGS TU0084 — Hawaiʻi County, US
1.5 km away · US
US NGS · triangulation station
U 1 — NGS TU0077 — Hawaiʻi County, US
2.3 km away · US
US NGS · triangulation station
W 20 — NGS TU0086 — Hawaiʻi County, US
3.0 km away · US
US NGS · triangulation station
R 20 — NGS TU0076 — Hawaiʻi County, US
3.4 km away · US
US NGS · triangulation station
VR 1 8 — NGS TU2351 — Hawaiʻi County, US
3.4 km away · US
US NGS · triangulation station
ALII — NGS TU2350 — Hawaiʻi County, US
4.0 km away · US

Frequently asked questions

What is U 20 — NGS TU0081 — Hawaiʻi County, US?

U 20 — NGS TU0081 — Hawaiʻi County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #3368 and sits at an elevation of 796.1 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of U 20 — NGS TU0081 — Hawaiʻi County, US?

The position of U 20 — NGS TU0081 — Hawaiʻi County, US in WGS84 is 19.464722°, -155.166944° (decimal), or 19° 27′ 53.00″ N, 155° 10′ 1.00″ 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.