Blue Nile Falls

What the code says

The Grid Point Code for Blue Nile Falls is #JK563-FW771. It names a cell 2.56 m north to south and 3.35 m east to west, centred on 11°29'25.79"N, 37°35'16.11"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

Waterfall in Ethiopia

Code

#JK563-FW771

With a check character

#JK563-FW771*T

Short form

FW771

Cell centre

11.490497, 37.587809

Cell size

2.56 m by 3.35 m

Region

Amhara Region

Country

Ethiopia

How to give this address

On a sign, a form or a delivery note

The whole code, #JK563-FW771. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Amhara Region

Blue Nile Falls FW771: 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 Blue Nile Falls. 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

#JK563-FW771*T. 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 52.4 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. 6JK56Metropolitan area40 km by 52.4 km
2. 3JK563District8 km by 10.5 km
3. FJK563FSuburb1.6 km by 2.09 km
4. WJK563FWA few streets320 m by 419 m
5. 7JK563FW7Building64 m by 83.8 m
6. 7JK563FW77Entrance12.8 m by 16.8 m
7. 1JK563FW771Doorway2.56 m by 3.35 m

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