SK006 — NGS AJ2491 — Skokie, US

USNGStrigunknown#215785
Latitude
42.053517°
Longitude
-87.747117°
Ellipsoidal h
157.37 m
Ortho h
191.20 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental geodetic framework for the United States. Trig stations serve as precise control points for surveying, mapping, and engineering projects across broad regions. Located near Skokie, Illinois, at 42.05352° North latitude and 87.74712° West longitude, this point occupies a strategically valuable position within the densely developed Chicago metropolitan area. The ellipsoidal elevation is documented at 157.4 meters. As part of the NGS network, this station contributes to spatial reference infrastructure essential for land surveying, infrastructure development, and scientific research. Verification and proper documentation of such benchmarks remain critical for maintaining the accuracy and reliability of geodetic control. Professional surveyors rely on these established points to ensure precision in boundary determination, construction layout, and geospatial projects throughout their service area.

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SK006 — NGS AJ2491 — Skokie, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #215785 on SurveyingPedia and sits at an approximate elevation of 191.2 metres. Its coordinates in WGS84 are 42.053517°, -87.747117°, corresponding to 42° 3′ 12.66″ N, 87° 44′ 49.62″ 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 SK006 — NGS AJ2491 — Skokie, 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)42.053517, -87.747117
WGS84 (DMS)42° 3′ 12.66″ N, 87° 44′ 49.62″ W
UTM zone (approx.)Zone 16N (approx.)
Elevation191.20 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
SK008 — NGS AJ2494 — Skokie, US
1.0 km away · US
US NGS · triangulation station
SK017 — NGS AJ2481 — Skokie, US
1.3 km away · US
US NGS · triangulation station
SK009 — NGS AJ2496 — Skokie, US
1.5 km away · US
US NGS · triangulation station
SK007 — NGS AJ2495 — Skokie, US
2.0 km away · US
US NGS · triangulation station
SKOKIE COOK CO CORS ARP — NGS DO7621
2.0 km away · US
US NGS · triangulation station
SK015 — NGS AJ2492 — Skokie, US
2.2 km away · US

Frequently asked questions

What is SK006 — NGS AJ2491 — Skokie, US?

SK006 — NGS AJ2491 — Skokie, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #215785 and sits at an elevation of 191.2 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of SK006 — NGS AJ2491 — Skokie, US?

The position of SK006 — NGS AJ2491 — Skokie, US in WGS84 is 42.053517°, -87.747117° (decimal), or 42° 3′ 12.66″ N, 87° 44′ 49.62″ 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.