Montevideo

What the code says

The Grid Point Code for Montevideo is #9517P-6T13R. It names a cell 2.56 m north to south and 2.80 m east to west, centred on 34°54'11.82"S, 56°11'17.36"W, and it turns back into that cell on any phone or computer by arithmetic alone: no network, no account, no lookup table.

The point used is the one GeoNames records for Montevideo, near its centre, and Montevideo is the capital of Uruguay.

Code

#9517P-6T13R

With a check character

#9517P-6T13R*T

Short form

6T13R

Cell centre

-34.903284, -56.188155

Cell size

2.56 m by 2.80 m

Region

Montevideo Department

Country

Uruguay

Population

1,270,737

How to give this address

On a sign, a form or a delivery note

The whole code, #9517P-6T13R. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Montevideo Department

Montevideo 6T13R: 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 Montevideo. 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-6T13R*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 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. 69517P6Suburb1.6 km by 1.75 km
4. T9517P6TA few streets320 m by 351 m
5. 19517P6T1Building64 m by 70.1 m
6. 39517P6T13Entrance12.8 m by 14 m
7. R9517P6T13RDoorway2.56 m by 2.8 m

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