Blyde River Canyon

What the code says

The Grid Point Code for Blyde River Canyon is #8FLJ5-X2WJ8. It names a cell 2.56 m north to south and 3.11 m east to west, centred on 24°33'50.04"S, 30°48'27.02"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

South Africa

Code

#8FLJ5-X2WJ8

With a check character

#8FLJ5-X2WJ8*F

Short form

X2WJ8

Cell centre

-24.563900, 30.807506

Cell size

2.56 m by 3.11 m

Region

Mpumalanga

Country

South Africa

How to give this address

On a sign, a form or a delivery note

The whole code, #8FLJ5-X2WJ8. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Mpumalanga

Blyde River Canyon X2WJ8: 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 4.9 km east or west of Blyde River Canyon. 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

#8FLJ5-X2WJ8*F. 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 48.6 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. J8FLJMetropolitan area40 km by 48.6 km
2. 58FLJ5District8 km by 9.72 km
3. X8FLJ5XSuburb1.6 km by 1.94 km
4. 28FLJ5X2A few streets320 m by 389 m
5. W8FLJ5X2WBuilding64 m by 77.8 m
6. J8FLJ5X2WJEntrance12.8 m by 15.6 m
7. 88FLJ5X2WJ8Doorway2.56 m by 3.11 m

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