1 S 3 E 3 — NGS RD4207 — Gresham, US

USNGSgnssunknown#4956
Latitude
45.509568°
Longitude
-122.430969°
Ellipsoidal h
72.10 m
Ortho h
94.90 m
Verifications
0
Last checked
Never
This GNSS benchmark is part of the National Geodetic Survey's continuously evolving network of reference stations that form the foundation of the United States' horizontal and vertical geodetic control. Located near Gresham in the Portland metropolitan area of Oregon, this point serves as a monumented reference for surveying, mapping, and positioning activities throughout the region. GNSS benchmarks of this type enable surveyors and engineers to establish accurate coordinates and elevations for their projects by providing known control points traceable to the National Spatial Reference System. The ellipsoidal elevation of 72.1 meters reflects the point's vertical position relative to the WGS 84 reference ellipsoid. Proper documentation and periodic verification of such control points ensure the integrity of Oregon's geodetic infrastructure and support diverse applications from land surveying to infrastructure development. Regular maintenance of these monuments preserves their utility for the surveying community.

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1 S 3 E 3 — NGS RD4207 — Gresham, US is a GNSS reference point located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #4956 on SurveyingPedia and sits at an approximate elevation of 94.9 metres. Its coordinates in WGS84 are 45.509568°, -122.430969°, corresponding to 45° 30′ 34.45″ N, 122° 25′ 51.49″ 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 1 S 3 E 3 — NGS RD4207 — Gresham, 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)45.509568, -122.430969
WGS84 (DMS)45° 30′ 34.45″ N, 122° 25′ 51.49″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation94.90 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
CLEV — NGS RD2377 — Gresham, US
1.1 km away · US
US NGS · triangulation station
GRESHAM RESET — NGS RD0272
1.3 km away · US
US NGS · GNSS reference point
1 S 3 E 10 — NGS RD4206 — Gresham, US
1.3 km away · US
US NGS · triangulation station
GRESHAM — NGS RD0271
1.3 km away · US
US NGS · triangulation station
YELLOW BARN CUPOLA — NGS RD2357 — Gresham, US
1.5 km away · US
US NGS · triangulation station
PTS 1 — NGS RD0273 — Gresham, US
1.6 km away · US

Frequently asked questions

What is 1 S 3 E 3 — NGS RD4207 — Gresham, US?

1 S 3 E 3 — NGS RD4207 — Gresham, US is a GNSS reference point located in United States, catalogued in the US NGS network. It has the public identifier #4956 and sits at an elevation of 94.9 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of 1 S 3 E 3 — NGS RD4207 — Gresham, US?

The position of 1 S 3 E 3 — NGS RD4207 — Gresham, US in WGS84 is 45.509568°, -122.430969° (decimal), or 45° 30′ 34.45″ N, 122° 25′ 51.49″ 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 GNSS reference point?

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.