POINT — NGS JU3138 — Philadelphia, US

USNGStrigunknown#218616
Latitude
39.895308°
Longitude
-75.141417°
Ortho h
3.00 m
Verifications
0
Last checked
Never
This is a triangulation (trig) station within the NGS network, the primary geodetic reference framework for the United States. Located near Philadelphia, Pennsylvania at coordinates 39.89531°N, 75.14142°W, this point serves as a control station for precision surveying and mapping projects across the region. Trig stations of this classification are typically monumented points established to provide accurate horizontal positioning data for cadastral surveys, engineering projects, and geographic information systems. The NGS network represents decades of accumulated geodetic observations and remains essential infrastructure for maintaining spatial reference accuracy. Verification and documentation of such benchmarks ensures their continued utility for surveyors and engineers who depend on reliable control points for ground-truthing and establishing local coordinate systems. Preservation of these monuments supports long-term spatial accuracy in the mid-Atlantic region.

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POINT — NGS JU3138 — Philadelphia, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #218616 on SurveyingPedia and sits at an approximate elevation of 3.0 metres. Its coordinates in WGS84 are 39.895308°, -75.141417°, corresponding to 39° 53′ 43.11″ N, 75° 8′ 29.10″ 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 POINT — NGS JU3138 — 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)39.895308, -75.141417
WGS84 (DMS)39° 53′ 43.11″ N, 75° 8′ 29.10″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation3.00 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:

GeoNames topographic database · cape
Windy Point
0.2 km away · US
GeoNames topographic database · cape
Greenwich Point
0.7 km away · US
US NGS · triangulation station
NORTHGATE — NGS JU4512 — Philadelphia, US
0.8 km away · US
US NGS · triangulation station
SCOW — NGS JU3135 — Philadelphia, US
0.9 km away · US
US NGS · triangulation station
PUSEY — NGS JU4200 — Gloucester City, US
0.9 km away · US
US NGS · triangulation station
POINT HOUSE 2 — NGS JU3198 — Philadelphia, US
0.9 km away · US

Frequently asked questions

What is POINT — NGS JU3138 — Philadelphia, US?

POINT — NGS JU3138 — Philadelphia, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #218616 and sits at an elevation of 3.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of POINT — NGS JU3138 — Philadelphia, US?

The position of POINT — NGS JU3138 — Philadelphia, US in WGS84 is 39.895308°, -75.141417° (decimal), or 39° 53′ 43.11″ N, 75° 8′ 29.10″ 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.