Bridgetown

What the code says

The Grid Point Code for Bridgetown is #H9H5G-46P72. It names a cell 2.56 m north to south and 3.33 m east to west, centred on 13°06'26.38"N, 59°37'12.81"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 Bridgetown, near its centre, and Bridgetown is the capital of Barbados.

Code

#H9H5G-46P72

With a check character

#H9H5G-46P72*8

Short form

46P72

Cell centre

13.107329, -59.620224

Cell size

2.56 m by 3.33 m

Region

Saint Michael

Country

Barbados

Population

98,511

How to give this address

On a sign, a form or a delivery note

The whole code, #H9H5G-46P72. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Saint Michael

Bridgetown 46P72: 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 Bridgetown. 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

#H9H5G-46P72*8. 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 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. 5H9H5Metropolitan area40 km by 52 km
2. GH9H5GDistrict8 km by 10.4 km
3. 4H9H5G4Suburb1.6 km by 2.08 km
4. 6H9H5G46A few streets320 m by 416 m
5. PH9H5G46PBuilding64 m by 83.3 m
6. 7H9H5G46P7Entrance12.8 m by 16.7 m
7. 2H9H5G46P72Doorway2.56 m by 3.33 m

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