X 1218 — NGS AW1805 — Houston, US

USNGStrigunknown#3214
Latitude
29.871389°
Longitude
-95.558333°
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental control framework for surveying and mapping across the United States. Located near Houston, Texas, at coordinates 29.87139° N, 95.55833° W, this trig point serves as a horizontal control reference for regional surveys and GPS validation work. Triangulation stations of this type historically supported conventional survey networks before the adoption of satellite-based positioning systems. The point remains valuable for verifying modern geodetic measurements, establishing local survey baselines, and maintaining consistency across the NGS datum. Its documented position allows surveyors and engineers to reference accurate horizontal control in coastal Texas, an area of significant development and surveying activity. Proper documentation and periodic verification of such control points ensures the integrity of the national geodetic infrastructure and supports precision requirements across civil engineering, construction, and geospatial projects in the region.

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X 1218 — NGS AW1805 — Houston, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #3214 on SurveyingPedia. Its coordinates in WGS84 are 29.871389°, -95.558333°, corresponding to 29° 52′ 17.00″ N, 95° 33′ 30.00″ 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 X 1218 — NGS AW1805 — Houston, 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)29.871389, -95.558333
WGS84 (DMS)29° 52′ 17.00″ N, 95° 33′ 30.00″ W
UTM zone (approx.)Zone 15N (approx.)
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
Z 1281 — NGS AW1806 — Houston, US
0.6 km away · US
US NGS · triangulation station
PTS 65 — NGS AW4601 — Jersey Village, US
0.7 km away · US
US NGS · triangulation station
BL 254 — NGS AW4599 — Houston, US
1.2 km away · US
US NGS · triangulation station
W 1502 — NGS AW5520 — Houston, US
1.3 km away · US
US NGS · triangulation station
Y 1281 — NGS AW1856 — Harris County, US
1.3 km away · US
US NGS · triangulation station
BL 252 — NGS AW4602 — Jersey Village, US
1.3 km away · US

Frequently asked questions

What is X 1218 — NGS AW1805 — Houston, US?

X 1218 — NGS AW1805 — Houston, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #3214. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of X 1218 — NGS AW1805 — Houston, US?

The position of X 1218 — NGS AW1805 — Houston, US in WGS84 is 29.871389°, -95.558333° (decimal), or 29° 52′ 17.00″ N, 95° 33′ 30.00″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 15N (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.