GPS CONTROL PT 12 — NGS DE8486 — Martinez, US

USNGStrigunknown#1925
Latitude
37.962293°
Longitude
-122.113976°
Ellipsoidal h
59.23 m
Ortho h
91.28 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network that forms the foundation of the United States' geodetic reference system. Positioned near Martinez, California, at coordinates 37.96229° N, 122.11398° W with an ellipsoidal elevation of 59.2 meters, this trig point serves as a control station for horizontal and vertical positioning. Triangulation stations like this historically enabled precise surveying and mapping across regions through intervisible networks. Modern surveying professionals continue to utilize such established control points for verification, densification of local survey networks, and validation of contemporary positioning technologies. The documentation and maintenance of NGS benchmarks remain essential for ensuring consistency in cadastral surveys, engineering projects, and spatial data infrastructure. Verification of this point's physical integrity and coordinates contributes to the reliability of regional geodetic work.

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GPS CONTROL PT 12 — NGS DE8486 — Martinez, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #1925 on SurveyingPedia and sits at an approximate elevation of 91.3 metres. Its coordinates in WGS84 are 37.962293°, -122.113976°, corresponding to 37° 57′ 44.26″ N, 122° 6′ 50.31″ 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 GPS CONTROL PT 12 — NGS DE8486 — Martinez, 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)37.962293, -122.113976
WGS84 (DMS)37° 57′ 44.26″ N, 122° 6′ 50.31″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation91.28 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
HILLS — NGS HT2559 — Contra Costa County, US
3.1 km away · US
US NGS · triangulation station
LAGOON — NGS HT2557 — Contra Costa County, US
3.6 km away · US
US NGS · triangulation station
HUMP 2 — NGS HT2448 — Lafayette, US
3.6 km away · US
US NGS · triangulation station
GPS CONTROL PT 55 — NGS DE8504 — Martinez, US
3.7 km away · US
US NGS · GNSS reference point
GLACIER GPS — NGS AE7868 — Martinez, US
3.7 km away · US
US NGS · triangulation station
BROOKWOOD RES — NGS HT2455 — Lafayette, US
4.3 km away · US

Frequently asked questions

What is GPS CONTROL PT 12 — NGS DE8486 — Martinez, US?

GPS CONTROL PT 12 — NGS DE8486 — Martinez, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #1925 and sits at an elevation of 91.3 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of GPS CONTROL PT 12 — NGS DE8486 — Martinez, US?

The position of GPS CONTROL PT 12 — NGS DE8486 — Martinez, US in WGS84 is 37.962293°, -122.113976° (decimal), or 37° 57′ 44.26″ N, 122° 6′ 50.31″ 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.