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Antoine-Simon International Airport Coordinates

SD, HT · Elevation 62m

Quick answer: Antoine-Simon International Airport is located at 18.271099, -73.788300 (N, W).

Different tools require different formats — Garmin devices default to DDM, military maps use MGRS, topo maps use UTM, and web apps expect Decimal Degrees. Copy whichever format your device or application needs. Click any format abbreviation to learn how it works.

All Coordinate Formats

DD

Decimal Degrees

18.271099, -73.788300
DMS

Degrees Minutes Seconds

18°16'15.96"N 73°47'17.88"W
DDM

Degrees Decimal Minutes

18°16.2659'N 73°47.2980'W
UTM

Universal Transverse Mercator

18Q 628084 2020604
MGRS

Military Grid Reference

18QXF2808420604
Geohash

Geohash Encoding

d75xbyhuz
Plus Code

Open Location Code

77C876C6+G4

Map Location

Map data © OpenStreetMap contributors

Antipodal Point

The point on the exact opposite side of Earth from Antoine-Simon International Airport. If you drilled straight through the planet's center, you would emerge here.

Antipodal coordinates

-18.271099, -73.788300

Hemisphere: S, W

DD

Decimal Degrees

-18.271099, -73.788300
DMS

Degrees Minutes Seconds

18°16'15.96"S 73°47'17.88"W
DDM

Degrees Decimal Minutes

18°16.2659'S 73°47.2980'W
UTM

Universal Transverse Mercator

18K 628084 7979396
MGRS

Military Grid Reference

18KXE2808479396
Geohash

Geohash Encoding

6kg80cugp
Plus Code

Open Location Code

57H8P6H6+GW

MGRS Decoded

MGRS encodes location as a nested hierarchy — zone, band, grid square, and offsets. Here is what each component of 18QXF2808420604 means.

Component Value Meaning
UTM Zone 18 One of 60 vertical slices of Earth (6° wide each). Zone 18 runs -78° to -72° longitude.
Latitude Band Q One of 20 horizontal bands (8° tall each), lettered C–X (skipping I and O). Indicates the general latitude region.
100 km Square XF A 100 × 100 km grid square within the zone/band. Column letter X (west–east) and row letter F (south–north).
Easting 28084 Distance east within the 100 km square. 5-digit value = 10 m resolution. Multiply by 1 to get meters.
Northing 20604 Distance north within the 100 km square. Same resolution as easting (10 m).

Geohash Precision

A geohash encodes coordinates by subdividing the Earth into progressively smaller cells. Each extra character roughly halves the cell area. The table below shows Antoine-Simon International Airport's geohash at every precision level alongside the bounding box each level represents.

Length Geohash Cell Size
1
d
≈ 5,000 × 5,000 km
2
d7
≈ 1,250 × 625 km
3
d75
≈ 156 × 156 km
4
d75x
≈ 39 × 20 km
5
d75xb
≈ 4.9 × 4.9 km
6
d75xby
≈ 1.2 km × 610 m
7
d75xbyh
≈ 153 × 153 m
8
d75xbyhu
≈ 38 × 19 m
9
d75xbyhuz
≈ 4.8 × 4.8 m

Precision 9 (highlighted) is the default and provides sub-5-metre accuracy for most applications.

About Antoine-Simon International Airport

https://en.wikipedia.org/wiki/Antoine-Simon_Airport

Live Converter

The coordinates above are fixed to this landmark. Use this converter to enter any other coordinates — such as a nearby trailhead, parking area, or a location you want to compare — and get all 7 formats instantly.

DD

18.271099, -73.788300

DMS

18°16'15.96"N 73°47'17.88"W

DDM

18°16.2659'N 73°47.2980'W

UTM

18Q 628084 2020604

MGRS

18QXF2808420604

GH

d75xbyhuz

OLC

77C876C6+G4

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