OLD FLAGPOLE — NGS KU3012 — Nassau County, US

USNGStrigunknown#636848
Latitude
40.826288°
Longitude
-73.704718°
Verifications
0
Last checked
Never
# OLD FLAGPOLE — NGS KU3012 — Nassau County, US NGS triangulation station KU3012, located at 40.8263°N, 73.7047°W in Nassau County, New York, is a third-order control point established as part of the National Geodetic Survey's horizontal network. This classical triangulation station supports modern geodetic operations including RTK positioning, static GNSS occupations for network densification, and precision leveling work. The point serves as a reference mark for local surveying projects requiring accurate horizontal and vertical control. Professional surveyors utilize this benchmark to validate equipment performance, establish local coordinate systems, and provide ties to the National Spatial Reference System. Historical monument records and current NGS database entries document the station's monumentation, recovery history, and positional accuracy suitable for engineering surveys and mapping applications.

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OLD FLAGPOLE — NGS KU3012 — Nassau County, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #636848 on SurveyingPedia. Its coordinates in WGS84 are 40.826288°, -73.704718°, corresponding to 40° 49′ 34.64″ N, 73° 42′ 16.98″ 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 OLD FLAGPOLE — NGS KU3012 — Nassau County, 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)40.826288, -73.704718
WGS84 (DMS)40° 49′ 34.64″ N, 73° 42′ 16.98″ W
UTM zone (approx.)Zone 18N (approx.)
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
MANHASSET YACHT CLUB FLAGPOLE — NGS KU3013 — Nassau County, US
0.1 km away · US
US NGS · triangulation station
KNICKERBOCKER CLUB FLAGPOLE — NGS KU3014 — Nassau County, US
0.3 km away · US
US NGS · triangulation station
BRAGG — NGS KU3009 — Nassau County, US
0.4 km away · US
US NGS · triangulation station
PORT WASHINGTON YACHT CLUB FP — NGS KU3010 — Nassau County, US
0.4 km away · US
US NGS · triangulation station
04E 19N — NGS KU4625 — Nassau County, US
0.5 km away · US
US NGS · triangulation station
4 — NGS KU1576 — Nassau County, US
0.6 km away · US

Frequently asked questions

What is OLD FLAGPOLE — NGS KU3012 — Nassau County, US?

OLD FLAGPOLE — NGS KU3012 — Nassau County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #636848. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of OLD FLAGPOLE — NGS KU3012 — Nassau County, US?

The position of OLD FLAGPOLE — NGS KU3012 — Nassau County, US in WGS84 is 40.826288°, -73.704718° (decimal), or 40° 49′ 34.64″ N, 73° 42′ 16.98″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 18N (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.