White Desert National Park

What the code says

The Grid Point Code for White Desert National Park is #J7W18-WK9DG. It names a cell 2.56 m north to south and 3.04 m east to west, centred on 27°16'38.44"N, 28°12'01.63"E, and it turns back into that cell on any phone or computer by arithmetic alone: no network, no account, no lookup table.

What it is

Natural protectorate north of the el-Farafra depression

Code

#J7W18-WK9DG

With a check character

#J7W18-WK9DG*M

Short form

WK9DG

Cell centre

27.277344, 28.200453

Cell size

2.56 m by 3.04 m

Region

New Valley Governorate

Country

Egypt

How to give this address

On a sign, a form or a delivery note

The whole code, #J7W18-WK9DG. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in New Valley Governorate

White Desert National Park WK9DG: a name both people know, then the last five characters. They give back the exact code for anywhere within 4.0 km north or south and 4.7 km east or west of White Desert National Park. Further away the same five name somewhere else, which is why the whole code is what goes on a sign.

Copied by hand, or read over a phone

#J7W18-WK9DG*M. The character on the end catches any single mistyped symbol and any two neighbours swapped.

As a link or a square code

Open it on the map, move to the exact door, and add directions if the code needs help: "blue gate, second floor". The link and the square code carry them. Nothing is kept on this site.

From the city to the door

The first four characters name a cell about 40 km by 47.5 km here. Each one after that picks one of 25 inside the last, so the whole ten name a spot about the size of a doorway.

1. 1J7W1Metropolitan area40 km by 47.5 km
2. 8J7W18District8 km by 9.5 km
3. WJ7W18WSuburb1.6 km by 1.9 km
4. KJ7W18WKA few streets320 m by 380 m
5. 9J7W18WK9Building64 m by 76 m
6. DJ7W18WK9DEntrance12.8 m by 15.2 m
7. GJ7W18WK9DGDoorway2.56 m by 3.04 m

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