B19 A — NGS AB2643 — Biddeford, US

USNGStrigunknown#637461
Latitude
43.467909°
Longitude
-70.468578°
Ellipsoidal h
21.87 m
Ortho h
48.21 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental control framework for surveying and mapping throughout the United States. Located near Biddeford, Maine, at coordinates 43.46791° N, 70.46858° W, this trig point serves as a reference station for horizontal and vertical control. The ellipsoidal elevation of 21.9 meters reflects its position relative to the reference ellipsoid used in the NGS datum. Trig stations of this type historically provided precise ground control for surveying operations across regional and local projects. Contemporary surveyors and geospatial professionals rely on documentation and verification of such benchmarks to maintain accuracy in their work and to establish consistency with the national coordinate system. Proper care and location confirmation of these monuments remain important for preservation of geodetic infrastructure.

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B19 A — NGS AB2643 — Biddeford, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #637461 on SurveyingPedia and sits at an approximate elevation of 48.2 metres. Its coordinates in WGS84 are 43.467909°, -70.468578°, corresponding to 43° 28′ 4.47″ N, 70° 28′ 6.88″ 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 B19 A — NGS AB2643 — Biddeford, 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)43.467909, -70.468578
WGS84 (DMS)43° 28′ 4.47″ N, 70° 28′ 6.88″ W
UTM zone (approx.)Zone 19N (approx.)
Elevation48.21 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
U 161 — NGS OC0231 — Biddeford, US
0.2 km away · US
US NGS · triangulation station
T 161 — NGS OC0230 — Biddeford, US
0.5 km away · US
US NGS · triangulation station
S 161 — NGS OC0229 — Biddeford, US
0.6 km away · US
US NGS · triangulation station
BIDDE — NGS OC2775 — Biddeford, US
0.7 km away · US
US NGS · triangulation station
B19 B — NGS AB2644 — Biddeford, US
1.0 km away · US
US NGS · triangulation station
BIDDEFORD MUN STANDPIPE — NGS OC2055
1.1 km away · US

Frequently asked questions

What is B19 A — NGS AB2643 — Biddeford, US?

B19 A — NGS AB2643 — Biddeford, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #637461 and sits at an elevation of 48.2 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of B19 A — NGS AB2643 — Biddeford, US?

The position of B19 A — NGS AB2643 — Biddeford, US in WGS84 is 43.467909°, -70.468578° (decimal), or 43° 28′ 4.47″ N, 70° 28′ 6.88″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 19N (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.