L 30 — NGS JV1122 — Baltimore, US

USNGStrigunknown#634910
Latitude
39.299722°
Longitude
-76.553889°
Ortho h
18.52 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental control framework for surveying and mapping throughout the United States. Trigonometric stations serve as monumented reference points for horizontal position control, enabling surveyors and engineers to tie local surveys into the national coordinate system with consistent accuracy. Located in the Baltimore, Maryland region, this point contributes to regional geodetic infrastructure supporting civil infrastructure projects, boundary determination, and precision mapping activities. The station's coordinates are referenced within the NGS database, facilitating verification and reoccupation by qualified surveyors. Proper documentation and periodic inspection of such benchmarks ensure the integrity of the national geodetic network and maintain its utility for contemporary surveying practice and spatial data applications across multiple disciplines.

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L 30 — NGS JV1122 — Baltimore, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #634910 on SurveyingPedia and sits at an approximate elevation of 18.5 metres. Its coordinates in WGS84 are 39.299722°, -76.553889°, corresponding to 39° 17′ 59.00″ N, 76° 33′ 14.00″ 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 L 30 — NGS JV1122 — Baltimore, 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)39.299722, -76.553889
WGS84 (DMS)39° 17′ 59.00″ N, 76° 33′ 14.00″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation18.52 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
K 30 — NGS JV1123 — Baltimore, US
0.9 km away · US
US NGS · triangulation station
BALTIMORE CITY HOSPITAL TANK — NGS JV5468
0.9 km away · US
US NGS · triangulation station
M 30 — NGS JV1121 — Baltimore, US
1.0 km away · US
US NGS · triangulation station
CITY HOSPITAL — NGS JV5519 — Baltimore, US
1.1 km away · US
US NGS · triangulation station
TOLNA — NGS JV5518 — Baltimore, US
1.4 km away · US
US NGS · triangulation station
J 30 C OF B — NGS JV1124 — Baltimore, US
1.4 km away · US

Frequently asked questions

What is L 30 — NGS JV1122 — Baltimore, US?

L 30 — NGS JV1122 — Baltimore, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #634910 and sits at an elevation of 18.5 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of L 30 — NGS JV1122 — Baltimore, US?

The position of L 30 — NGS JV1122 — Baltimore, US in WGS84 is 39.299722°, -76.553889° (decimal), or 39° 17′ 59.00″ N, 76° 33′ 14.00″ 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.