Chongjin

What the code says

The Grid Point Code for Chongjin is #L05JR-HC696. It names a cell 2.56 m north to south and 2.55 m east to west, centred on 41°47'44.02"N, 129°46'32.97"E, 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 Chongjin, near its centre.

Code

#L05JR-HC696

With a check character

#L05JR-HC696*8

Short form

HC696

Cell centre

41.795562, 129.775826

Cell size

2.56 m by 2.55 m

Region

North Hamgyong

Country

North Korea

Population

327,000

How to give this address

On a sign, a form or a delivery note

The whole code, #L05JR-HC696. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in North Hamgyong

Chongjin HC696: 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 4.0 km east or west of Chongjin. 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

#L05JR-HC696*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 39.8 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. JL05JMetropolitan area40 km by 39.8 km
2. RL05JRDistrict8 km by 7.97 km
3. HL05JRHSuburb1.6 km by 1.59 km
4. CL05JRHCA few streets320 m by 319 m
5. 6L05JRHC6Building64 m by 63.7 m
6. 9L05JRHC69Entrance12.8 m by 12.7 m
7. 6L05JRHC696Doorway2.56 m by 2.55 m

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