GIS 100 — NGS AE5603 — Baltimore County, US

USNGStrigunknown#634765
Latitude
39.257549°
Longitude
-76.731124°
Ellipsoidal h
87.47 m
Ortho h
119.87 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's horizontal control network, which establishes the geometric foundation for surveying and mapping throughout the United States. Located in Baltimore County, Maryland, at coordinates 39.25755°N, 76.73112°W with an ellipsoidal height of 87.5 meters, this trig point serves as a reference for terrestrial surveys and spatial data collection in the region. Triangulation stations of this type were established to create a framework of precisely positioned points across the nation. Such monuments enable surveyors, engineers, and cartographers to conduct accurate boundary surveys, infrastructure projects, and geographic information systems work. Regular verification and documentation of these control points ensures the continued reliability of the geodetic network and supports modern positioning technologies that depend on accurate reference geometry. Maintenance and confirmation of benchmark locations remain essential for professional surveying practice.

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GIS 100 — NGS AE5603 — Baltimore County, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #634765 on SurveyingPedia and sits at an approximate elevation of 119.9 metres. Its coordinates in WGS84 are 39.257549°, -76.731124°, corresponding to 39° 15′ 27.18″ N, 76° 43′ 52.05″ 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 GIS 100 — NGS AE5603 — Baltimore County, 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)39.257549, -76.731124
WGS84 (DMS)39° 15′ 27.18″ N, 76° 43′ 52.05″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation119.87 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
CCCBC — NGS AJ7985 — Baltimore County, US
0.8 km away · US
US NGS · triangulation station
CATONSVILLE SPR GROVE HOSP STK — NGS JV5622 — Baltimore County, US
0.9 km away · US
US NGS · triangulation station
U OF MD BALT COOP CORS ARP — NGS DF6305 — Baltimore County, US
1.7 km away · US
US NGS · triangulation station
SPRING — NGS JV0857 — Baltimore County, US
1.8 km away · US
US NGS · triangulation station
SPRING RM 1 — NGS JV0858 — Baltimore County, US
1.8 km away · US
US NGS · triangulation station
CATONSVILLE PRESB CHURCH SPIRE — NGS JV5624 — Baltimore County, US
1.8 km away · US

Frequently asked questions

What is GIS 100 — NGS AE5603 — Baltimore County, US?

GIS 100 — NGS AE5603 — Baltimore County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #634765 and sits at an elevation of 119.9 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of GIS 100 — NGS AE5603 — Baltimore County, US?

The position of GIS 100 — NGS AE5603 — Baltimore County, US in WGS84 is 39.257549°, -76.731124° (decimal), or 39° 15′ 27.18″ N, 76° 43′ 52.05″ 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.