3 H — NGS BM0643 — Austin, US

USNGStrigunknown#4079
Latitude
30.234167°
Longitude
-97.871667°
Ortho h
253.81 m
Verifications
0
Last checked
Never
This trigonometric station is part of the NGS network, which establishes the foundational geodetic control for surveying and mapping throughout the United States. Trigonometric points serve as precise horizontal control stations, enabling surveyors and engineers to reference their local work to the national coordinate system with high accuracy. Located near Austin, Texas, at coordinates 30.23417°N, 97.87167°W, this station contributes to regional surveying frameworks across central Texas. The benchmark's horizontal position has been precisely determined and integrated into the NGS database, providing essential reference data for professional surveyors, engineers, and cartographers conducting work in the area. Verification and documentation of such geodetic stations remain valuable for confirming positional accuracy, supporting modern GPS and terrestrial surveys, and maintaining the integrity of the national geodetic infrastructure. Surveyors should consult current NGS records to confirm operational status and any relevant restrictions before field use.

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3 H — NGS BM0643 — Austin, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #4079 on SurveyingPedia and sits at an approximate elevation of 253.8 metres. Its coordinates in WGS84 are 30.234167°, -97.871667°, corresponding to 30° 14′ 3.00″ N, 97° 52′ 18.00″ 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 3 H — NGS BM0643 — Austin, 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)30.234167, -97.871667
WGS84 (DMS)30° 14′ 3.00″ N, 97° 52′ 18.00″ W
UTM zone (approx.)Zone 14N (approx.)
Elevation253.81 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
CHOP — NGS AG9950 — Austin, US
2.3 km away · US
US NGS · triangulation station
V 201 — NGS BM0642 — Austin, US
2.7 km away · US
US NGS · triangulation station
SAM1 AUSTIN COOP CORS ARP — NGS DH4801
2.9 km away · US
US NGS · triangulation station
X 201 — NGS BM0645 — Travis County, US
3.4 km away · US
US NGS · triangulation station
SAM AUSTIN CORS ARP — NGS DN6089
3.4 km away · US
US NGS · triangulation station
MESA — NGS AG9961 — Travis County, US
5.2 km away · US

Frequently asked questions

What is 3 H — NGS BM0643 — Austin, US?

3 H — NGS BM0643 — Austin, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #4079 and sits at an elevation of 253.8 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of 3 H — NGS BM0643 — Austin, US?

The position of 3 H — NGS BM0643 — Austin, US in WGS84 is 30.234167°, -97.871667° (decimal), or 30° 14′ 3.00″ N, 97° 52′ 18.00″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 14N (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.