Central Sofia Market Hall

What the code says

The Grid Point Code for Central Sofia Market Hall is #J1JM7-46KW6. It names a cell 2.56 m north to south and 2.51 m east to west, centred on 42°41'59.99"N, 23°19'17.96"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

Market in Sofia, Bulgaria

Code

#J1JM7-46KW6

With a check character

#J1JM7-46KW6*4

Short form

46KW6

Cell centre

42.699997, 23.321656

Cell size

2.56 m by 2.51 m

City

Sofia

Region

Sofia City

Country

Bulgaria

How to give this address

On a sign, a form or a delivery note

The whole code, #J1JM7-46KW6. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Sofia

Central Sofia Market Hall 46KW6: 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 3.9 km east or west of Central Sofia Market Hall. 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

#J1JM7-46KW6*4. 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 39.3 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. MJ1JMMetropolitan area40 km by 39.3 km
2. 7J1JM7District8 km by 7.85 km
3. 4J1JM74Suburb1.6 km by 1.57 km
4. 6J1JM746A few streets320 m by 314 m
5. KJ1JM746KBuilding64 m by 62.8 m
6. WJ1JM746KWEntrance12.8 m by 12.6 m
7. 6J1JM746KW6Doorway2.56 m by 2.51 m

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