AVIATION 2 — NGS SY1593 — Seattle, US

USNGStrigunknown#214513
Latitude
47.685681°
Longitude
-122.249110°
Ellipsoidal h
-15.96 m
Ortho h
7.78 m
Verifications
0
Last checked
Never
This triangulation station is part of the NGS network, which maintains the foundational geodetic control infrastructure for the United States. Trig points serve as precise horizontal and vertical reference stations for surveying, mapping, and geospatial projects across diverse applications. Located near Seattle, Washington at coordinates 47.68568°N, 122.24911°W, this benchmark occupies a strategically positioned location within the Pacific Northwest region. The ellipsoidal elevation of -16.0 meters reflects its subsurface or water-level positioning relative to the reference ellipsoid. NGS trig stations are integral to establishing consistent coordinate systems and ensuring accuracy in professional surveying work. Documentation and verification of such control points remain essential for maintaining data integrity, conducting redeterminations, and supporting infrastructure development and cadastral surveying operations throughout the region.

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AVIATION 2 — NGS SY1593 — Seattle, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #214513 on SurveyingPedia and sits at an approximate elevation of 7.8 metres. Its coordinates in WGS84 are 47.685681°, -122.249110°, corresponding to 47° 41′ 8.45″ N, 122° 14′ 56.79″ 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 AVIATION 2 — NGS SY1593 — Seattle, 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)47.685681, -122.249110
WGS84 (DMS)47° 41′ 8.45″ N, 122° 14′ 56.79″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation7.78 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
AVIATION 2 RM 7 — NGS SY1594 — Seattle, US
0.0 km away · US
US NGS · triangulation station
AVIATION 2 RM 8 — NGS SY1595 — Seattle, US
0.0 km away · US
US NGS · triangulation station
AVIATION RM 3 — NGS SY0411 — Seattle, US
0.0 km away · US
US NGS · triangulation station
AVIATION RM 4 — NGS SY5578 — Seattle, US
0.1 km away · US
US NGS · triangulation station
NOAA VERT — NGS AI4239 — Seattle, US
0.1 km away · US
US NGS · triangulation station
PMEL WIND SHEAR TOWER — NGS AI3612 — Seattle, US
0.1 km away · US

Frequently asked questions

What is AVIATION 2 — NGS SY1593 — Seattle, US?

AVIATION 2 — NGS SY1593 — Seattle, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #214513 and sits at an elevation of 7.8 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of AVIATION 2 — NGS SY1593 — Seattle, US?

The position of AVIATION 2 — NGS SY1593 — Seattle, US in WGS84 is 47.685681°, -122.249110° (decimal), or 47° 41′ 8.45″ N, 122° 14′ 56.79″ 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.