4401 — NGS RD4303 — Vancouver, US

USNGStrigunknown#4871
Latitude
45.654056°
Longitude
-122.557778°
Ortho h
61.74 m
Verifications
0
Last checked
Never
This triangulation station is part of the NGS network, which establishes the primary geodetic framework for the United States. Located near Vancouver, Washington, at coordinates 45.65406°N, 122.55778°W, this trig point serves as a control station for surveying and mapping activities across the Pacific Northwest region. Triangulation stations such as this provide monumented reference locations of known position and elevation, enabling surveyors and engineers to conduct accurate surveys and establish local coordinate systems. These points form the backbone of the National Spatial Reference System. Verification and documentation of existing benchmarks remain important for maintaining geodetic infrastructure integrity. Resurveying confirms stability, identifies any displacement, and ensures reliability for contemporary surveying applications. Such reference points support land surveys, engineering projects, and geospatial analysis throughout their service area.

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4401 — NGS RD4303 — Vancouver, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #4871 on SurveyingPedia and sits at an approximate elevation of 61.7 metres. Its coordinates in WGS84 are 45.654056°, -122.557778°, corresponding to 45° 39′ 14.60″ N, 122° 33′ 28.00″ 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 4401 — NGS RD4303 — Vancouver, 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)45.654056, -122.557778
WGS84 (DMS)45° 39′ 14.60″ N, 122° 33′ 28.00″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation61.74 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
4901 — NGS RD4302 — Vancouver, US
0.4 km away · US
US NGS · triangulation station
3911 — NGS RD4304 — Vancouver, US
0.4 km away · US
US NGS · triangulation station
WSRN SWHQ BASE ARP — NGS DS3218 — Vancouver, US
0.7 km away · US
US NGS · triangulation station
5401 — NGS RD4301 — Vancouver, US
0.8 km away · US
US NGS · triangulation station
3301 — NGS RD4305 — Vancouver, US
0.8 km away · US
US NGS · triangulation station
10911 — NGS RD4300 — Vancouver, US
1.2 km away · US

Frequently asked questions

What is 4401 — NGS RD4303 — Vancouver, US?

4401 — NGS RD4303 — Vancouver, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #4871 and sits at an elevation of 61.7 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of 4401 — NGS RD4303 — Vancouver, US?

The position of 4401 — NGS RD4303 — Vancouver, US in WGS84 is 45.654056°, -122.557778° (decimal), or 45° 39′ 14.60″ N, 122° 33′ 28.00″ 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.