Jeita Grotto

What the code says

The Grid Point Code for Jeita Grotto is #J794M-DM2H3. It names a cell 2.56 m north to south and 2.84 m east to west, centred on 33°56'38.12"N, 35°38'26.24"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

System of two separate, but interconnected, karstic limestone caves 18 km north of Beirut

Code

#J794M-DM2H3

With a check character

#J794M-DM2H3*F

Short form

DM2H3

Cell centre

33.943922, 35.640622

Cell size

2.56 m by 2.84 m

Region

Keserwan-Jbeil Governorate

Country

Lebanon

How to give this address

On a sign, a form or a delivery note

The whole code, #J794M-DM2H3. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Keserwan-Jbeil Governorate

Jeita Grotto DM2H3: 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 4.4 km east or west of Jeita Grotto. 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

#J794M-DM2H3*F. 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 44.3 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. 4J794Metropolitan area40 km by 44.3 km
2. MJ794MDistrict8 km by 8.87 km
3. DJ794MDSuburb1.6 km by 1.77 km
4. MJ794MDMA few streets320 m by 355 m
5. 2J794MDM2Building64 m by 70.9 m
6. HJ794MDM2HEntrance12.8 m by 14.2 m
7. 3J794MDM2H3Doorway2.56 m by 2.84 m

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