E 1199 — NGS HT0057 — Oakland, US

USNGStrigunknown#2475
Latitude
37.867778°
Longitude
-122.230000°
Ortho h
236.42 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey network, which establishes the foundational control points for the United States' surveying and mapping infrastructure. As a trig point, this benchmark serves to provide precise horizontal control for regional surveys and mapping activities. Located near Oakland, California, at coordinates 37.86778°N, 122.23000°W, the station occupies a position within the heavily developed San Francisco Bay Area region. Triangulation stations of this type historically enabled surveyors to extend accurate positional networks across large areas through line-of-sight observations. Modern verification and documentation of such points remain valuable for quality assurance of existing surveys and for establishing connections between historical and contemporary coordinate systems. Surveyors undertaking work in this region may reference this point for establishing local control networks.

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 E 1199 — NGS HT0057 — Oakland, US, USSatellite imagery of E 1199 — NGS HT0057 — Oakland, US, USSatellite imagery of E 1199 — NGS HT0057 — Oakland, US, USSatellite imagery of E 1199 — NGS HT0057 — Oakland, US, USSatellite imagery of E 1199 — NGS HT0057 — Oakland, US, USSatellite imagery of E 1199 — NGS HT0057 — Oakland, US, USSatellite imagery of E 1199 — NGS HT0057 — Oakland, US, USSatellite imagery of E 1199 — NGS HT0057 — Oakland, US, USSatellite imagery of E 1199 — NGS HT0057 — Oakland, US, US
🗺️ Google Maps🚗 Street View🅱️ Bing Maps🌐 OpenStreetMap
Imagery © Esri · Earthstar Geographics · USGS · NASA · All providers credited

E 1199 — NGS HT0057 — Oakland, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #2475 on SurveyingPedia and sits at an approximate elevation of 236.4 metres. Its coordinates in WGS84 are 37.867778°, -122.230000°, corresponding to 37° 52′ 4.00″ N, 122° 13′ 48.00″ 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 E 1199 — NGS HT0057 — Oakland, 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)37.867778, -122.230000
WGS84 (DMS)37° 52′ 4.00″ N, 122° 13′ 48.00″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation236.42 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
30 — NGS HT0056 — Oakland, US
0.3 km away · US
US NGS · triangulation station
886.90 — NGS HT0058 — Oakland, US
0.3 km away · US
US NGS · triangulation station
14 — NGS HT0059 — Oakland, US
0.6 km away · US
US NGS · triangulation station
U 177 — NGS HT0055 — Oakland, US
0.8 km away · US
US NGS · triangulation station
8 — NGS HT0060 — Oakland, US
0.8 km away · US
US NGS · triangulation station
O — NGS HT0062 — Contra Costa County, US
1.0 km away · US

Frequently asked questions

What is E 1199 — NGS HT0057 — Oakland, US?

E 1199 — NGS HT0057 — Oakland, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #2475 and sits at an elevation of 236.4 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of E 1199 — NGS HT0057 — Oakland, US?

The position of E 1199 — NGS HT0057 — Oakland, US in WGS84 is 37.867778°, -122.230000° (decimal), or 37° 52′ 4.00″ N, 122° 13′ 48.00″ 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.