Mercado del Puerto

What the code says

The Grid Point Code for Mercado del Puerto is #9517P-2R22J. It names a cell 2.56 m north to south and 2.80 m east to west, centred on 34°54'20.45"S, 56°12'42.40"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

Cultural heritage monument of Uruguay

Code

#9517P-2R22J

With a check character

#9517P-2R22J*W

Short form

2R22J

Cell centre

-34.905681, -56.211779

Cell size

2.56 m by 2.80 m

City

Montevideo

Region

Montevideo Department

Country

Uruguay

How to give this address

On a sign, a form or a delivery note

The whole code, #9517P-2R22J. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Montevideo

Mercado del Puerto 2R22J: 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 4.4 km east or west of Mercado del Puerto. 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

#9517P-2R22J*W. 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 43.8 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. 79517Metropolitan area40 km by 43.8 km
2. P9517PDistrict8 km by 8.76 km
3. 29517P2Suburb1.6 km by 1.75 km
4. R9517P2RA few streets320 m by 351 m
5. 29517P2R2Building64 m by 70.1 m
6. 29517P2R22Entrance12.8 m by 14 m
7. J9517P2R22JDoorway2.56 m by 2.8 m

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