A 266 — NGS ME1881 — Chicago, US

USNGStrigunknown#215193
Latitude
41.767778°
Longitude
-87.610278°
Ortho h
183.53 m
Verifications
0
Last checked
Never
This trigonometric station is part of the National Geodetic Survey's network of control points that establish the horizontal and vertical reference framework for the United States. Located near Chicago, Illinois, at coordinates 41.76778°N, 87.61028°W, this trig point serves as a fixed reference for surveying and mapping operations across the region. Trigonometric stations such as this one are monumented points established through precise measurements to support cadastral surveys, engineering projects, and geographic information systems. The NGS network provides essential geodetic control that enables surveyors and engineers to reference their work to the national datum. Verification and documentation of existing benchmark locations maintain the integrity of this critical infrastructure. Current condition assessments and coordinate recovery efforts ensure these reference points remain available for professional surveying applications and ongoing geodetic operations in the Chicago metropolitan area and surrounding regions.

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A 266 — NGS ME1881 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #215193 on SurveyingPedia and sits at an approximate elevation of 183.5 metres. Its coordinates in WGS84 are 41.767778°, -87.610278°, corresponding to 41° 46′ 4.00″ N, 87° 36′ 37.00″ 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 A 266 — NGS ME1881 — Chicago, 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)41.767778, -87.610278
WGS84 (DMS)41° 46′ 4.00″ N, 87° 36′ 37.00″ W
UTM zone (approx.)Zone 16N (approx.)
Elevation183.53 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
057 COC — NGS ME2680 — Chicago, US
0.7 km away · US
US NGS · triangulation station
CHICAGO ST COLUMBIAN CH SPIRE — NGS ME2687
0.7 km away · US
US NGS · triangulation station
W 136 — NGS ME1880 — Chicago, US
0.9 km away · US
US NGS · triangulation station
E 266 — NGS ME1879 — Chicago, US
0.9 km away · US
US NGS · triangulation station
OAK WOODS — NGS ME2677 — Chicago, US
0.9 km away · US
US NGS · triangulation station
B 6 — NGS ME1878 — Chicago, US
1.0 km away · US

Frequently asked questions

What is A 266 — NGS ME1881 — Chicago, US?

A 266 — NGS ME1881 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #215193 and sits at an elevation of 183.5 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of A 266 — NGS ME1881 — Chicago, US?

The position of A 266 — NGS ME1881 — Chicago, US in WGS84 is 41.767778°, -87.610278° (decimal), or 41° 46′ 4.00″ N, 87° 36′ 37.00″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 16N (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.