BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US

USNGStrigunknown#4274
Latitude
18.357520°
Longitude
-64.847484°
Verifications
0
Last checked
Never
This trigonometric station is part of the NGS network, which establishes the fundamental geodetic control framework for the United States and its territories. Located in the Saint Thomas–Saint John District of the United States Virgin Islands, this trig point serves as a horizontal control reference for surveying and mapping activities throughout the region. Trig stations of this type are typically positioned at elevated or strategically visible locations to facilitate precise distance and angle measurements used in establishing survey networks. The point's coordinates in the Caribbean archipelago make it valuable for maintaining geodetic consistency across the territory. Documentation and periodic verification of such control points remain essential for surveying professionals conducting cadastral, engineering, and cartographic work. These reference stations provide the geometric foundation upon which local surveys and infrastructure projects depend.

Verify this point

Sign in to submit a verification from the field.

Verification history (0)

No verifications yet. Be the first to check this point!
🛰️ Satellite view
ESRI World Imagery · zoom 16 (~1 m/px)
Open in Google Earth →
Satellite imagery of BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US, USSatellite imagery of BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US, USSatellite imagery of BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US, USSatellite imagery of BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US, USSatellite imagery of BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US, USSatellite imagery of BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US, USSatellite imagery of BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US, USSatellite imagery of BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US, USSatellite imagery of BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US, US
🗺️ Google Maps🚗 Street View🅱️ Bing Maps🌐 OpenStreetMap
Imagery © Esri · Earthstar Geographics · USGS · NASA · All providers credited

BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #4274 on SurveyingPedia. Its coordinates in WGS84 are 18.357520°, -64.847484°, corresponding to 18° 21′ 27.07″ N, 64° 50′ 50.94″ 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 BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, 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)18.357520, -64.847484
WGS84 (DMS)18° 21′ 27.07″ N, 64° 50′ 50.94″ W
UTM zone (approx.)Zone 20N (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
THATCH — NGS TV0496 — Saint Thomas - Saint John District, US
0.4 km away · US
US NGS · triangulation station
COKI 1918 — NGS TV0499 — Saint Thomas - Saint John District, US
1.8 km away · US
US NGS · triangulation station
SHARK 1918 — NGS TV0493 — Saint Thomas - Saint John District, US
2.3 km away · US
US NGS · triangulation station
MILLER ESTATE FLAGPOLE — NGS TV0497 — Saint Thomas - Saint John District, US
2.7 km away · US
US NGS · triangulation station
WEST 1918 — NGS TV0506 — Saint Thomas - Saint John District, US
3.0 km away · US
US NGS · triangulation station
MINGO 1918 — NGS TV0488 — Saint Thomas - Saint John District, US
3.4 km away · US

Frequently asked questions

What is BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US?

BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #4274. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US?

The position of BLOW 1918 — NGS TV0495 — Saint Thomas - Saint John District, US in WGS84 is 18.357520°, -64.847484° (decimal), or 18° 21′ 27.07″ N, 64° 50′ 50.94″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 20N (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.