ADAMS — NGS KV7081 — Philadelphia, US

USNGStrigunknown#218829
Latitude
40.029395°
Longitude
-75.105332°
Ellipsoidal h
-0.92 m
Ortho h
32.20 m
Verifications
0
Last checked
Never
This trigonometric station is part of the National Geodetic Survey network that establishes and maintains the precise horizontal and vertical control framework for the United States. Trig stations serve as fundamental reference points for surveying, mapping, and engineering projects requiring accurate spatial positioning. Located near Philadelphia, Pennsylvania at coordinates 40.02939°, -75.10533°, this point lies within a densely surveyed region supporting extensive civil infrastructure and development. The ellipsoidal elevation of -0.9 meters reflects the station's position relative to the WGS 84 reference ellipsoid. As part of the NGS network, this benchmark contributes to the national geodetic datum and enables surveyors and engineers to establish local control networks with known accuracy. Regular verification and documentation of such points ensures the continuing reliability of surveying work throughout the region and supports cadastral, transportation, and environmental monitoring applications.

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ADAMS — NGS KV7081 — Philadelphia, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #218829 on SurveyingPedia and sits at an approximate elevation of 32.2 metres. Its coordinates in WGS84 are 40.029395°, -75.105332°, corresponding to 40° 1′ 45.82″ N, 75° 6′ 19.20″ 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 ADAMS — NGS KV7081 — Philadelphia, 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)40.029395, -75.105332
WGS84 (DMS)40° 1′ 45.82″ N, 75° 6′ 19.20″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation32.20 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
PHILADELPHIA SEARS FLAGPOLE — NGS KV3703
0.4 km away · US
US NGS · triangulation station
PHILADELPHIA SEARS STACK — NGS KV3704
0.6 km away · US
US NGS · triangulation station
PHILADELPHIA EXIDE CO TANK — NGS KV3701
0.9 km away · US
US NGS · triangulation station
PHILADELPHIA EXIDE CO STACK — NGS KV3702
0.9 km away · US
US NGS · triangulation station
W 197 — NGS KV1934 — Philadelphia, US
2.5 km away · US
US NGS · triangulation station
PHILADELPHIA RAPID TRANSIT TK — NGS KV3666
2.6 km away · US

Frequently asked questions

What is ADAMS — NGS KV7081 — Philadelphia, US?

ADAMS — NGS KV7081 — Philadelphia, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #218829 and sits at an elevation of 32.2 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of ADAMS — NGS KV7081 — Philadelphia, US?

The position of ADAMS — NGS KV7081 — Philadelphia, US in WGS84 is 40.029395°, -75.105332° (decimal), or 40° 1′ 45.82″ N, 75° 6′ 19.20″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 18N (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.