GIS 44 — NGS AC7727 — Towson, US

USNGStrigunknown#634691
Latitude
39.372947°
Longitude
-76.708754°
Ellipsoidal h
108.59 m
Ortho h
140.90 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network that establishes the fundamental reference framework for surveying and mapping throughout the United States. Located near Towson, Maryland, at 39.37295°N, 76.70875°W, the point serves as a precise control station for horizontal positioning and geodetic work in the Baltimore-Washington region. Triangulation stations of this type were established to provide surveyors, engineers, and cartographers with accurate reference points for boundary determination, construction layout, and large-scale mapping projects. The ellipsoidal elevation of 108.6 meters contributes to three-dimensional positional control. Verification and documentation of such benchmark locations remain valuable for quality assurance in surveying operations, maintenance of the geodetic infrastructure, and validation of survey-grade positioning systems. Professional surveyors rely on these established control points to maintain consistency and accuracy across regional and national survey networks.

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GIS 44 — NGS AC7727 — Towson, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #634691 on SurveyingPedia and sits at an approximate elevation of 140.9 metres. Its coordinates in WGS84 are 39.372947°, -76.708754°, corresponding to 39° 22′ 22.61″ N, 76° 42′ 31.51″ 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 GIS 44 — NGS AC7727 — Towson, 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)39.372947, -76.708754
WGS84 (DMS)39° 22′ 22.61″ N, 76° 42′ 31.51″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation140.90 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
W 96 — NGS JV1238 — Towson, US
1.0 km away · US
US NGS · triangulation station
GIS 96 — NGS AE2445 — Towson, US
1.1 km away · US
US NGS · triangulation station
6116 — NGS AI8113 — Baltimore, US
1.1 km away · US
US NGS · triangulation station
4032 BOLT — NGS AE5601 — Towson, US
1.1 km away · US
US NGS · triangulation station
MSP MDBCSM — NGS JV1237 — Towson, US
1.2 km away · US
US NGS · triangulation station
CURTIS WRIGHT AIRPORT — NGS JV1192 — Towson, US
1.5 km away · US

Frequently asked questions

What is GIS 44 — NGS AC7727 — Towson, US?

GIS 44 — NGS AC7727 — Towson, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #634691 and sits at an elevation of 140.9 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of GIS 44 — NGS AC7727 — Towson, US?

The position of GIS 44 — NGS AC7727 — Towson, US in WGS84 is 39.372947°, -76.708754° (decimal), or 39° 22′ 22.61″ N, 76° 42′ 31.51″ 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.