CENT FOURTH — NGS HT2909 — Alameda, US

USNGStrigunknown#2798
Latitude
37.771610°
Longitude
-122.286112°
Ortho h
5.00 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey network, which establishes and maintains the fundamental geodetic control framework for the United States. Trigonometric stations serve as primary reference points for large-scale surveying operations, mapping projects, and spatial data infrastructure development. Located in the Alameda, California area at coordinates 37.77161°N, 122.28611°W, this benchmark contributes to regional horizontal control and supports professional surveying activities throughout the San Francisco Bay Area. The precise geographic position enables surveyors to establish local survey networks with documented accuracy and traceability to the national coordinate system. Verification and documentation of such control points remain essential for maintaining the integrity of geodetic databases and ensuring reliable survey data for engineering, land development, and infrastructure projects. Regular monitoring of benchmark stability provides valuable information regarding crustal motion and ground deformation in this tectonically active region.

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CENT FOURTH — NGS HT2909 — Alameda, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #2798 on SurveyingPedia and sits at an approximate elevation of 5.0 metres. Its coordinates in WGS84 are 37.771610°, -122.286112°, corresponding to 37° 46′ 17.80″ N, 122° 17′ 10.00″ 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 CENT FOURTH — NGS HT2909 — Alameda, 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)37.771610, -122.286112
WGS84 (DMS)37° 46′ 17.80″ N, 122° 17′ 10.00″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation5.00 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
ALAMEDA — NGS HT1890
0.2 km away · US
US NGS · triangulation station
CENT FIFTH — NGS HT2882 — Alameda, US
0.3 km away · US
US NGS · triangulation station
THIRD HAIGHT — NGS HT1888 — Alameda, US
0.4 km away · US
US NGS · triangulation station
FIFTH HAIGHT — NGS HT2876 — Alameda, US
0.4 km away · US
US NGS · triangulation station
CENTRAL AVE — NGS HT2926 — Alameda, US
0.5 km away · US
US NGS · triangulation station
PAC FOURTH — NGS HT2980 — Alameda, US
0.5 km away · US

Frequently asked questions

What is CENT FOURTH — NGS HT2909 — Alameda, US?

CENT FOURTH — NGS HT2909 — Alameda, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #2798 and sits at an elevation of 5.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of CENT FOURTH — NGS HT2909 — Alameda, US?

The position of CENT FOURTH — NGS HT2909 — Alameda, US in WGS84 is 37.771610°, -122.286112° (decimal), or 37° 46′ 17.80″ N, 122° 17′ 10.00″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 10N (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.