Bandiagara Escarpment

What the code says

The Grid Point Code for Bandiagara Escarpment is #H5MW0-736TN. It names a cell 2.56 m north to south and 3.31 m east to west, centred on 14°25'00.01"N, 3°19'00.01"W, 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

Escarpment in Dogon country of Mali

Code

#H5MW0-736TN

With a check character

#H5MW0-736TN*7

Short form

736TN

Cell centre

14.416669, -3.316669

Cell size

2.56 m by 3.31 m

Region

Mopti Region

Country

Mali

How to give this address

On a sign, a form or a delivery note

The whole code, #H5MW0-736TN. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Mopti Region

Bandiagara Escarpment 736TN: 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 5.2 km east or west of Bandiagara Escarpment. 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

#H5MW0-736TN*7. 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 51.8 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. WH5MWMetropolitan area40 km by 51.8 km
2. 0H5MW0District8 km by 10.4 km
3. 7H5MW07Suburb1.6 km by 2.07 km
4. 3H5MW073A few streets320 m by 414 m
5. 6H5MW0736Building64 m by 82.8 m
6. TH5MW0736TEntrance12.8 m by 16.6 m
7. NH5MW0736TNDoorway2.56 m by 3.31 m

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