Praia

What the code says

The Grid Point Code for Praia is #H65MH-9WC8T. It names a cell 2.56 m north to south and 3.30 m east to west, centred on 14°55'53.48"N, 23°30'45.18"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 Praia, near its centre, and Praia is the capital of Cabo Verde.

Code

#H65MH-9WC8T

With a check character

#H65MH-9WC8T*C

Short form

9WC8T

Cell centre

14.931521, -23.512550

Cell size

2.56 m by 3.30 m

Country

Cabo Verde

Population

137,868

How to give this address

On a sign, a form or a delivery note

The whole code, #H65MH-9WC8T. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Cabo Verde

Praia 9WC8T: 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 Praia. 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

#H65MH-9WC8T*C. 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 51.6 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. MH65MMetropolitan area40 km by 51.6 km
2. HH65MHDistrict8 km by 10.3 km
3. 9H65MH9Suburb1.6 km by 2.07 km
4. WH65MH9WA few streets320 m by 413 m
5. CH65MH9WCBuilding64 m by 82.6 m
6. 8H65MH9WC8Entrance12.8 m by 16.5 m
7. TH65MH9WC8TDoorway2.56 m by 3.3 m

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