GIS 104 — NGS AE5602 — Baltimore County, US

USNGStrigunknown#634776
Latitude
39.268150°
Longitude
-76.751861°
Ortho h
129.46 m
Verifications
0
Last checked
Never
This triangulation (trig) station is part of the NGS network, which forms the foundation of the United States' geodetic infrastructure. Trig stations serve as primary control points for surveying, mapping, and positioning work across the nation. Located in Baltimore County, Maryland, at coordinates 39.26815° N, 76.75186° W, this point provides horizontal control for regional surveys and engineering projects. The NGS maintains thousands of such benchmarks to enable accurate spatial referencing for public and private sector applications. Verification and documentation of these reference points remain essential for preserving measurement consistency and ensuring the integrity of cadastral, engineering, and infrastructure surveys. Professional surveyors and mapping agencies depend upon these established control points to maintain spatial datum continuity and measurement reliability across multiple projects and decades of use.

Verify this point

Sign in to submit a verification from the field.

Verification history (0)

No verifications yet. Be the first to check this point!
🛰️ Satellite view
ESRI World Imagery · zoom 16 (~1 m/px)
Open in Google Earth →
Satellite imagery of GIS 104 — NGS AE5602 — Baltimore County, US, USSatellite imagery of GIS 104 — NGS AE5602 — Baltimore County, US, USSatellite imagery of GIS 104 — NGS AE5602 — Baltimore County, US, USSatellite imagery of GIS 104 — NGS AE5602 — Baltimore County, US, USSatellite imagery of GIS 104 — NGS AE5602 — Baltimore County, US, USSatellite imagery of GIS 104 — NGS AE5602 — Baltimore County, US, USSatellite imagery of GIS 104 — NGS AE5602 — Baltimore County, US, USSatellite imagery of GIS 104 — NGS AE5602 — Baltimore County, US, USSatellite imagery of GIS 104 — NGS AE5602 — Baltimore County, US, US
🗺️ Google Maps🚗 Street View🅱️ Bing Maps🌐 OpenStreetMap
Imagery © Esri · Earthstar Geographics · USGS · NASA · All providers credited

GIS 104 — NGS AE5602 — 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 #634776 on SurveyingPedia and sits at an approximate elevation of 129.5 metres. Its coordinates in WGS84 are 39.268150°, -76.751861°, corresponding to 39° 16′ 5.34″ N, 76° 45′ 6.70″ 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 104 — NGS AE5602 — 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)39.268150, -76.751861
WGS84 (DMS)39° 16′ 5.34″ N, 76° 45′ 6.70″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation129.46 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
CATONSVILLE PRESB CHURCH SPIRE — NGS JV5624 — Baltimore County, US
0.7 km away · US
US NGS · triangulation station
BC80 — NGS DS4098 — Baltimore County, US
0.7 km away · US
US NGS · triangulation station
CATON RESET — NGS JV6047 — Baltimore County, US
1.7 km away · US
US NGS · triangulation station
GIS 100 — NGS AE5603 — Baltimore County, US
2.1 km away · US
US NGS · triangulation station
CAT — NGS JV0851 — Baltimore County, US
2.2 km away · US
US NGS · triangulation station
BALTIMORE RADIO STA WITH MAST — NGS JV5625 — Baltimore County, US
2.2 km away · US

Frequently asked questions

What is GIS 104 — NGS AE5602 — Baltimore County, US?

GIS 104 — NGS AE5602 — Baltimore County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #634776 and sits at an elevation of 129.5 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of GIS 104 — NGS AE5602 — Baltimore County, US?

The position of GIS 104 — NGS AE5602 — Baltimore County, US in WGS84 is 39.268150°, -76.751861° (decimal), or 39° 16′ 5.34″ N, 76° 45′ 6.70″ 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.