Socotra

What the code says

The Grid Point Code for Socotra is #JJL28-K6K6K. It names a cell 2.56 m north to south and 3.34 m east to west, centred on 12°30'35.98"N, 53°55'12.02"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

Main island of Socotra Archipelago in the Guardafui Channel

Code

#JJL28-K6K6K

With a check character

#JJL28-K6K6K*W

Short form

K6K6K

Cell centre

12.509994, 53.920005

Cell size

2.56 m by 3.34 m

Region

Socotra Archipelago Governorate

Country

Yemen

How to give this address

On a sign, a form or a delivery note

The whole code, #JJL28-K6K6K. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Socotra Archipelago Governorate

Socotra K6K6K: 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 Socotra. 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

#JJL28-K6K6K*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 52.2 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. 2JJL2Metropolitan area40 km by 52.2 km
2. 8JJL28District8 km by 10.4 km
3. KJJL28KSuburb1.6 km by 2.09 km
4. 6JJL28K6A few streets320 m by 417 m
5. KJJL28K6KBuilding64 m by 83.5 m
6. 6JJL28K6K6Entrance12.8 m by 16.7 m
7. KJJL28K6K6KDoorway2.56 m by 3.34 m

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