SK004 — NGS AJ2480 — Skokie, US

USNGStrigunknown#215765
Latitude
42.026470°
Longitude
-87.755914°
Ellipsoidal h
154.78 m
Ortho h
188.50 m
Verifications
0
Last checked
Never
This triangulation station is part of the NGS network, which establishes the primary geodetic control framework for the United States. Located near Skokie, Illinois, at coordinates 42.02647° N, 87.75591° W, this trig point serves as a reference for regional surveying and mapping activities. The ellipsoidal elevation of 154.8 meters provides vertical control data for projects requiring accurate positioning. Triangulation stations of this type support cadastral surveys, engineering projects, and geospatial applications across their service areas. Verification and documentation of such control points ensure the integrity of surveying networks and enable surveyors to tie local measurements to the national geodetic datum. Maintaining comprehensive records of established benchmarks provides essential continuity for professional surveying practice and large-scale mapping initiatives.

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SK004 — NGS AJ2480 — Skokie, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #215765 on SurveyingPedia and sits at an approximate elevation of 188.5 metres. Its coordinates in WGS84 are 42.026470°, -87.755914°, corresponding to 42° 1′ 35.29″ N, 87° 45′ 21.29″ 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 SK004 — NGS AJ2480 — 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)42.026470, -87.755914
WGS84 (DMS)42° 1′ 35.29″ N, 87° 45′ 21.29″ W
UTM zone (approx.)Zone 16N (approx.)
Elevation188.50 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
SKOKIE SEARLE CO TANK — NGS NG0512
0.5 km away · US
US NGS · triangulation station
SK016 — NGS AJ2493 — Skokie, US
0.9 km away · US
US NGS · triangulation station
SK002 — NGS AJ2476 — Skokie, US
1.2 km away · US
US NGS · triangulation station
SK014 — NGS AJ2490 — Skokie, US
1.6 km away · US
US NGS · triangulation station
SK003 — NGS AJ2487 — Skokie, US
1.8 km away · US
US NGS · triangulation station
SK018 — NGS AJ2489 — Skokie, US
2.3 km away · US

Frequently asked questions

What is SK004 — NGS AJ2480 — Skokie, US?

SK004 — NGS AJ2480 — Skokie, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #215765 and sits at an elevation of 188.5 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of SK004 — NGS AJ2480 — Skokie, US?

The position of SK004 — NGS AJ2480 — Skokie, US in WGS84 is 42.026470°, -87.755914° (decimal), or 42° 1′ 35.29″ N, 87° 45′ 21.29″ 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.