NORTHGATE — NGS JU4512 — Philadelphia, US

USNGStrigunknown#218598
Latitude
39.901704°
Longitude
-75.146402°
Ellipsoidal h
-29.94 m
Ortho h
2.90 m
Verifications
0
Last checked
Never
This trigonometric station is part of the NGS network, which provides the foundational geodetic control for surveying and mapping activities throughout the United States. Positioned near Philadelphia, Pennsylvania, at coordinates 39.90170° north latitude and 75.14640° west longitude, this trig point serves as a reference station for horizontal and vertical control networks. The ellipsoidal elevation of -29.9 meters reflects the station's position relative to the WGS84 reference ellipsoid. Trig stations of this type are essential for establishing accurate survey networks, supporting cadastral surveys, infrastructure projects, and cartographic work. The documentation and verification of such benchmark monuments contribute to the maintenance and reliability of the national geodetic datum, ensuring consistency in surveying standards and enabling precise positioning for both public and private surveying activities across the region.

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NORTHGATE — NGS JU4512 — Philadelphia, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #218598 on SurveyingPedia and sits at an approximate elevation of 2.9 metres. Its coordinates in WGS84 are 39.901704°, -75.146402°, corresponding to 39° 54′ 6.13″ N, 75° 8′ 47.05″ 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 NORTHGATE — NGS JU4512 — 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)39.901704, -75.146402
WGS84 (DMS)39° 54′ 6.13″ N, 75° 8′ 47.05″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation2.90 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
C 60 — NGS JU0864 — Philadelphia, US
0.5 km away · US
US NGS · triangulation station
PATTISON — NGS JU0865 — Philadelphia, US
0.5 km away · US
US NGS · triangulation station
PATTISON RM 2 — NGS JU0866 — Philadelphia, US
0.5 km away · US
US NGS · triangulation station
POINT — NGS JU3138 — Philadelphia, US
0.8 km away · US
US NGS · triangulation station
J 276 — NGS JU0739 — Philadelphia, US
0.9 km away · US
US NGS · triangulation station
K 276 — NGS JU0740 — Philadelphia, US
0.9 km away · US

Frequently asked questions

What is NORTHGATE — NGS JU4512 — Philadelphia, US?

NORTHGATE — NGS JU4512 — Philadelphia, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #218598 and sits at an elevation of 2.9 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of NORTHGATE — NGS JU4512 — Philadelphia, US?

The position of NORTHGATE — NGS JU4512 — Philadelphia, US in WGS84 is 39.901704°, -75.146402° (decimal), or 39° 54′ 6.13″ N, 75° 8′ 47.05″ 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.