28 — NGS KX1257 — Pittsburgh, US

USNGStrigunknown#633433
Latitude
40.399444°
Longitude
-79.937222°
Ortho h
230.71 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which forms the foundation of horizontal geodetic control across the United States. Located near Pittsburgh, Pennsylvania, at coordinates 40.39944°N, 79.93722°W, this trig point serves as a reference monument for surveying and mapping operations. Triangulation stations of this type were historically established to create a framework of precisely positioned points across the country. Such monuments provide surveyors, engineers, and cartographers with reliable control points for conducting surveys, establishing property boundaries, and producing accurate maps. The verification and documentation of geodetic reference points like this one remains valuable for quality assurance in surveying work and for understanding the historical development of the nation's spatial reference systems. Surveyors in the region should verify the current condition and accessibility of this benchmark before reliance in critical applications.

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28 — NGS KX1257 — Pittsburgh, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #633433 on SurveyingPedia and sits at an approximate elevation of 230.7 metres. Its coordinates in WGS84 are 40.399444°, -79.937222°, corresponding to 40° 23′ 58.00″ N, 79° 56′ 14.00″ 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 28 — NGS KX1257 — Pittsburgh, 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)40.399444, -79.937222
WGS84 (DMS)40° 23′ 58.00″ N, 79° 56′ 14.00″ W
UTM zone (approx.)Zone 17N (approx.)
Elevation230.71 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
Z 342 — NGS KX1256 — Pittsburgh, US
0.1 km away · US
US NGS · triangulation station
7002 — NGS KX2402 — Baldwin, US
0.4 km away · US
US NGS · triangulation station
3069 — NGS KX1255 — Pittsburgh, US
0.5 km away · US
US NGS · triangulation station
PADH DISK — NGS KX2421 — West Homestead, US
0.9 km away · US
US NGS · triangulation station
1618 — NGS KX2422 — West Homestead, US
1.0 km away · US
US NGS · triangulation station
3068 — NGS KX1254 — Pittsburgh, US
1.3 km away · US

Frequently asked questions

What is 28 — NGS KX1257 — Pittsburgh, US?

28 — NGS KX1257 — Pittsburgh, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #633433 and sits at an elevation of 230.7 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of 28 — NGS KX1257 — Pittsburgh, US?

The position of 28 — NGS KX1257 — Pittsburgh, US in WGS84 is 40.399444°, -79.937222° (decimal), or 40° 23′ 58.00″ N, 79° 56′ 14.00″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 17N (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.