854 5530 TIDAL 21 — NGS JU0730 — Philadelphia, US

USNGStrigunknown#218556
Latitude
39.952500°
Longitude
-75.138333°
Ortho h
2.91 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's geodetic control network, which establishes the fundamental reference framework for surveying and mapping across the United States. Located near Philadelphia, Pennsylvania, at coordinates 39.95250° N, 75.13833° W, this trig point serves as a precisely positioned reference for surveys, construction projects, and geospatial applications in the region. Triangulation stations of this classification historically provided horizontal control through precise angular measurements between intervisible points. Such benchmarks remain valuable for verifying and documenting the accuracy of modern surveying work, cadastral records, and geographic information systems. Surveyors and geodesists regularly reference established control points to ensure consistency across projects and maintain the integrity of the geodetic datum. Documentation and verification of these reference points supports professional surveying standards and enables long-term spatial data quality.

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854 5530 TIDAL 21 — NGS JU0730 — Philadelphia, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #218556 on SurveyingPedia and sits at an approximate elevation of 2.9 metres. Its coordinates in WGS84 are 39.952500°, -75.138333°, corresponding to 39° 57′ 9.00″ N, 75° 8′ 18.00″ 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 854 5530 TIDAL 21 — NGS JU0730 — 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)39.952500, -75.138333
WGS84 (DMS)39° 57′ 9.00″ N, 75° 8′ 18.00″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation2.91 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
PIER 5 N USE 1925 — NGS JU3126 — Philadelphia, US
0.1 km away · US
US NGS · triangulation station
U 237 — NGS JU0722 — Philadelphia, US
0.1 km away · US
US NGS · triangulation station
PIER 5 NORTH — NGS JU3125 — Philadelphia, US
0.1 km away · US
US NGS · triangulation station
854 5530 TIDAL 23 — NGS JU0721 — Philadelphia, US
0.2 km away · US
US NGS · triangulation station
854 5530 TIDAL 35 — NGS JU2225 — Philadelphia, US
0.2 km away · US
US NGS · triangulation station
854 5530 TIDAL 24 — NGS JU0724 — Philadelphia, US
0.3 km away · US

Frequently asked questions

What is 854 5530 TIDAL 21 — NGS JU0730 — Philadelphia, US?

854 5530 TIDAL 21 — NGS JU0730 — Philadelphia, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #218556 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 854 5530 TIDAL 21 — NGS JU0730 — Philadelphia, US?

The position of 854 5530 TIDAL 21 — NGS JU0730 — Philadelphia, US in WGS84 is 39.952500°, -75.138333° (decimal), or 39° 57′ 9.00″ N, 75° 8′ 18.00″ 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.