Home / Landmarks / Manassas Regional Airport/Harry P. Davis Field

Manassas Regional Airport/Harry P. Davis Field Coordinates

VA, US · Elevation 59m

Quick answer: Manassas Regional Airport/Harry P. Davis Field is located at 38.721401, -77.515404 (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

38.721401, -77.515404
DMS

Degrees Minutes Seconds

38°43'17.04"N 77°30'55.45"W
DDM

Degrees Decimal Minutes

38°43.2841'N 77°30.9242'W
UTM

Universal Transverse Mercator

18S 281320 4288865
MGRS

Military Grid Reference

18STH8132088865
Geohash

Geohash Encoding

dqbuk1508
Plus Code

Open Location Code

87C4PFCM+HV

Map Location

Map data © OpenStreetMap contributors

Antipodal Point

The point on the exact opposite side of Earth from Manassas Regional Airport/Harry P. Davis Field. If you drilled straight through the planet's center, you would emerge here.

Antipodal coordinates

-38.721401, -77.515404

Hemisphere: S, W

DD

Decimal Degrees

-38.721401, -77.515404
DMS

Degrees Minutes Seconds

38°43'17.04"S 77°30'55.45"W
DDM

Degrees Decimal Minutes

38°43.2841'S 77°30.9242'W
UTM

Universal Transverse Mercator

18H 281320 5711135
MGRS

Military Grid Reference

18HTC8132011135
Geohash

Geohash Encoding

630gsngp2
Plus Code

Open Location Code

47H47FHM+H3

MGRS Decoded

MGRS encodes location as a nested hierarchy — zone, band, grid square, and offsets. Here is what each component of 18STH8132088865 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 S One of 20 horizontal bands (8° tall each), lettered C–X (skipping I and O). Indicates the general latitude region.
100 km Square TH A 100 × 100 km grid square within the zone/band. Column letter T (west–east) and row letter H (south–north).
Easting 81320 Distance east within the 100 km square. 5-digit value = 10 m resolution. Multiply by 1 to get meters.
Northing 88865 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 Manassas Regional Airport/Harry P. Davis Field'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
dq
≈ 1,250 × 625 km
3
dqb
≈ 156 × 156 km
4
dqbu
≈ 39 × 20 km
5
dqbuk
≈ 4.9 × 4.9 km
6
dqbuk1
≈ 1.2 km × 610 m
7
dqbuk15
≈ 153 × 153 m
8
dqbuk150
≈ 38 × 19 m
9
dqbuk1508
≈ 4.8 × 4.8 m

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

About Manassas Regional Airport/Harry P. Davis Field

https://en.wikipedia.org/wiki/Manassas_Regional_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

38.721401, -77.515404

DMS

38°43'17.04"N 77°30'55.45"W

DDM

38°43.2841'N 77°30.9242'W

UTM

18S 281320 4288865

MGRS

18STH8132088865

GH

dqbuk1508

OLC

87C4PFCM+HV

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