PDX H — NGS AC7360 — Portland, US

USNGStrigunknown#5555
Latitude
45.584943°
Longitude
-122.567643°
Ellipsoidal h
-13.78 m
Ortho h
8.94 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's fundamental control network, which establishes the geometric framework for surveying and mapping throughout the United States. Located near Portland, Oregon at coordinates 45.58494°, -122.56764°, this trig point serves as a fixed reference for horizontal positioning. The ellipsoidal elevation of -13.8 meters reflects the point's vertical relationship to the reference ellipsoid model. Trig stations of this classification have historically provided monumented control points essential for large-scale surveys, engineering projects, and cartographic efforts. Verification and documentation of such benchmarks remain valuable for confirming network integrity, supporting modern positioning applications, and maintaining continuity with legacy geodetic work. Professional surveyors rely on established control networks to ensure consistency and accuracy across local and regional projects.

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PDX H — NGS AC7360 — Portland, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #5555 on SurveyingPedia and sits at an approximate elevation of 8.9 metres. Its coordinates in WGS84 are 45.584943°, -122.567643°, corresponding to 45° 35′ 5.80″ N, 122° 34′ 3.51″ 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 PDX H — NGS AC7360 — Portland, 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)45.584943, -122.567643
WGS84 (DMS)45° 35′ 5.80″ N, 122° 34′ 3.51″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation8.94 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
DIKE — NGS RD2912 — Portland, US
0.6 km away · US
US NGS · triangulation station
HOSE — NGS RD2871 — Multnomah County, US
0.9 km away · US
US NGS · triangulation station
PUMP — NGS RD2870 — Portland, US
0.9 km away · US
US NGS · triangulation station
HARD — NGS RD2872 — Multnomah County, US
1.0 km away · US
US NGS · triangulation station
LEM 2 — NGS RD2891 — Multnomah County, US
1.0 km away · US
US NGS · triangulation station
LOWER POINT — NGS RD2862 — Multnomah County, US
1.1 km away · US

Frequently asked questions

What is PDX H — NGS AC7360 — Portland, US?

PDX H — NGS AC7360 — Portland, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #5555 and sits at an elevation of 8.9 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of PDX H — NGS AC7360 — Portland, US?

The position of PDX H — NGS AC7360 — Portland, US in WGS84 is 45.584943°, -122.567643° (decimal), or 45° 35′ 5.80″ N, 122° 34′ 3.51″ 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.