CHOP — NGS AG9950 — Austin, US

USNGStrigunknown#4077
Latitude
30.242778°
Longitude
-97.893283°
Ortho h
314.60 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the geometric foundation for surveying and mapping activities throughout the United States. Located near Austin, Texas, at coordinates 30.24278° N, 97.89328° W, this trig point serves as a control station for horizontal positioning and surveying operations in its region. Triangulation stations of this type were historically established to create networks of known positions from which surveyors could reference their local work. The NGS maintains these monuments as essential geodetic infrastructure, supporting cadastral surveys, engineering projects, and spatial data accuracy across the country. Verification and documentation of such reference points remain valuable for surveying professionals requiring reliable control stations. Proper maintenance and location records ensure continued utility of the network for contemporary surveying applications and datum transformations.

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CHOP — NGS AG9950 — Austin, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #4077 on SurveyingPedia and sits at an approximate elevation of 314.6 metres. Its coordinates in WGS84 are 30.242778°, -97.893283°, corresponding to 30° 14′ 34.00″ N, 97° 53′ 35.82″ 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 CHOP — NGS AG9950 — 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)30.242778, -97.893283
WGS84 (DMS)30° 14′ 34.00″ N, 97° 53′ 35.82″ W
UTM zone (approx.)Zone 14N (approx.)
Elevation314.60 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
X 201 — NGS BM0645 — Travis County, US
1.6 km away · US
US NGS · triangulation station
3 H — NGS BM0643 — Austin, US
2.3 km away · US
US NGS · triangulation station
MESA — NGS AG9961 — Travis County, US
3.7 km away · US
US NGS · triangulation station
V 201 — NGS BM0642 — Austin, US
4.9 km away · US
US NGS · triangulation station
SAM1 AUSTIN COOP CORS ARP — NGS DH4801
4.9 km away · US
US NGS · triangulation station
SAM AUSTIN CORS ARP — NGS DN6089
5.5 km away · US

Frequently asked questions

What is CHOP — NGS AG9950 — Austin, US?

CHOP — NGS AG9950 — Austin, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #4077 and sits at an elevation of 314.6 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of CHOP — NGS AG9950 — Austin, US?

The position of CHOP — NGS AG9950 — Austin, US in WGS84 is 30.242778°, -97.893283° (decimal), or 30° 14′ 34.00″ N, 97° 53′ 35.82″ 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.