PHILADELPHIA WANAMAKER TWR LT — NGS JU3147

USNGStrigunknown#218915
Latitude
39.951167°
Longitude
-75.163484°
Ortho h
8.00 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's trig network, which forms a foundational component of the United States' geodetic infrastructure. Located near Philadelphia, Pennsylvania, at coordinates 39.95117° N, 75.16348° W, this point serves as a control station for horizontal positioning and surveying operations across the region. Trig stations of this classification were historically established to support large-scale mapping and survey work through intervisible networks. Modern applications include verification of survey data, GPS calibration, and geodetic research. The documented coordinate position provides a stable reference for professional surveyors and engineers conducting boundary surveys, construction projects, and spatial analyses in the Philadelphia metropolitan area. Verification and maintenance of such benchmarks remain essential for ensuring accuracy and reliability of surveying work. This point's continued documentation in the NGS registry supports both historical preservation of geodetic knowledge and practical utility for contemporary surveying professionals.

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PHILADELPHIA WANAMAKER TWR LT — NGS JU3147 is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #218915 on SurveyingPedia and sits at an approximate elevation of 8.0 metres. Its coordinates in WGS84 are 39.951167°, -75.163484°, corresponding to 39° 57′ 4.20″ N, 75° 9′ 48.54″ 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 PHILADELPHIA WANAMAKER TWR LT — NGS JU3147 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)39.951167, -75.163484
WGS84 (DMS)39° 57′ 4.20″ N, 75° 9′ 48.54″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation8.00 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:

US NGS · triangulation station
CITY HALL — NGS JU3112 — Philadelphia, US
0.2 km away · US
US NGS · triangulation station
CITY HALL 2 WEST ECC 1961 — NGS JU3109 — Philadelphia, US
0.2 km away · US
US NGS · triangulation station
854 5530 TIDAL 29 — NGS JU0727 — Philadelphia, US
0.2 km away · US
US NGS · triangulation station
854 5530 TIDAL 27 — NGS JU0726 — Philadelphia, US
0.6 km away · US
GeoNames topographic database · historic_site
Chinatown Friendship Gate
0.7 km away · US
GeoNames topographic database · historic_site
Liberty Bell Center
1.1 km away · US

Frequently asked questions

What is PHILADELPHIA WANAMAKER TWR LT — NGS JU3147?

PHILADELPHIA WANAMAKER TWR LT — NGS JU3147 is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #218915 and sits at an elevation of 8.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of PHILADELPHIA WANAMAKER TWR LT — NGS JU3147?

The position of PHILADELPHIA WANAMAKER TWR LT — NGS JU3147 in WGS84 is 39.951167°, -75.163484° (decimal), or 39° 57′ 4.20″ N, 75° 9′ 48.54″ 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.