Home / Landmarks / California Redwood Coast-Humboldt County Airport

California Redwood Coast-Humboldt County Airport Coordinates

CA, US · Elevation 67m

Quick answer: California Redwood Coast-Humboldt County Airport is located at 40.978101, -124.109000 (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

40.978101, -124.109000
DMS

Degrees Minutes Seconds

40°58'41.16"N 124°6'32.40"W
DDM

Degrees Decimal Minutes

40°58.6861'N 124°6.5400'W
UTM

Universal Transverse Mercator

10T 406700 4536918
MGRS

Military Grid Reference

10TDL0670036918
Geohash

Geohash Encoding

9pr9pgfdd
Plus Code

Open Location Code

84GQXVHR+78

Map Location

Map data © OpenStreetMap contributors

Antipodal Point

The point on the exact opposite side of Earth from California Redwood Coast-Humboldt County Airport. If you drilled straight through the planet's center, you would emerge here.

Antipodal coordinates

-40.978101, -124.109000

Hemisphere: S, W

DD

Decimal Degrees

-40.978101, -124.109000
DMS

Degrees Minutes Seconds

40°58'41.16"S 124°6'32.40"W
DDM

Degrees Decimal Minutes

40°58.6861'S 124°6.5400'W
UTM

Universal Transverse Mercator

10G 406700 5463082
MGRS

Military Grid Reference

10GDV0670063082
Geohash

Geohash Encoding

30xwzu4t6
Plus Code

Open Location Code

44FQ2VCR+MP

MGRS Decoded

MGRS encodes location as a nested hierarchy — zone, band, grid square, and offsets. Here is what each component of 10TDL0670036918 means.

Component Value Meaning
UTM Zone 10 One of 60 vertical slices of Earth (6° wide each). Zone 10 runs -126° to -120° longitude.
Latitude Band T One of 20 horizontal bands (8° tall each), lettered C–X (skipping I and O). Indicates the general latitude region.
100 km Square DL A 100 × 100 km grid square within the zone/band. Column letter D (west–east) and row letter L (south–north).
Easting 06700 Distance east within the 100 km square. 5-digit value = 10 m resolution. Multiply by 1 to get meters.
Northing 36918 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 California Redwood Coast-Humboldt County Airport's geohash at every precision level alongside the bounding box each level represents.

Length Geohash Cell Size
1
9
≈ 5,000 × 5,000 km
2
9p
≈ 1,250 × 625 km
3
9pr
≈ 156 × 156 km
4
9pr9
≈ 39 × 20 km
5
9pr9p
≈ 4.9 × 4.9 km
6
9pr9pg
≈ 1.2 km × 610 m
7
9pr9pgf
≈ 153 × 153 m
8
9pr9pgfd
≈ 38 × 19 m
9
9pr9pgfdd
≈ 4.8 × 4.8 m

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

About California Redwood Coast-Humboldt County Airport

https://en.wikipedia.org/wiki/Arcata-Eureka_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

40.978101, -124.109000

DMS

40°58'41.16"N 124°6'32.40"W

DDM

40°58.6861'N 124°6.5400'W

UTM

10T 406700 4536918

MGRS

10TDL0670036918

GH

9pr9pgfdd

OLC

84GQXVHR+78

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