ARP 2 PNE — NGS AA9225 — Philadelphia, US

USNGStrigunknown#218368
Latitude
40.081847°
Longitude
-75.010566°
Ellipsoidal h
-0.54 m
Ortho h
32.57 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network of control points that establish the geometric and geodetic framework for the continental United States. Located near Philadelphia, Pennsylvania, this trig point serves as a reference for horizontal positioning and elevation data used in surveying, mapping, and engineering applications across the region. Triangulation stations of this type were established to provide accurate spatial control for large-scale surveying operations. The ellipsoidal elevation of -0.5 meters indicates the point's vertical position relative to the reference ellipsoid. Verification and documentation of such benchmarks remain essential for maintaining the integrity of geodetic networks, supporting infrastructure development, land surveys, and scientific research. Regular inspection and validation of these control points ensure continued reliability for contemporary positioning and surveying work.

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ARP 2 PNE — NGS AA9225 — Philadelphia, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #218368 on SurveyingPedia and sits at an approximate elevation of 32.6 metres. Its coordinates in WGS84 are 40.081847°, -75.010566°, corresponding to 40° 4′ 54.65″ N, 75° 0′ 38.04″ 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 ARP 2 PNE — NGS AA9225 — 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)40.081847, -75.010566
WGS84 (DMS)40° 4′ 54.65″ N, 75° 0′ 38.04″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation32.57 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
ARP PNE — NGS KV1922 — Philadelphia, US
0.2 km away · US
US NGS · triangulation station
AP STA A PNE — NGS KV1921 — Philadelphia, US
0.6 km away · US
US NGS · triangulation station
F 263 — NGS KV1923 — Philadelphia, US
0.8 km away · US
US NGS · triangulation station
PNE AP STA B — NGS AA9224 — Philadelphia, US
0.9 km away · US
US NGS · triangulation station
AP STA C PNE — NGS AA9223 — Philadelphia, US
1.2 km away · US
US NGS · triangulation station
ACADEMY93 — NGS KV7080 — Philadelphia, US
1.3 km away · US

Frequently asked questions

What is ARP 2 PNE — NGS AA9225 — Philadelphia, US?

ARP 2 PNE — NGS AA9225 — Philadelphia, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #218368 and sits at an elevation of 32.6 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of ARP 2 PNE — NGS AA9225 — Philadelphia, US?

The position of ARP 2 PNE — NGS AA9225 — Philadelphia, US in WGS84 is 40.081847°, -75.010566° (decimal), or 40° 4′ 54.65″ N, 75° 0′ 38.04″ 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.