Surakarta

What the code says

The Grid Point Code for Surakarta is #7P34P-277NK. It names a cell 2.56 m north to south and 3.39 m east to west, centred on 7°33'22.02"S, 110°49'53.98"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 Surakarta, near its centre.

Code

#7P34P-277NK

With a check character

#7P34P-277NK*K

Short form

277NK

Cell centre

-7.556118, 110.831662

Cell size

2.56 m by 3.39 m

Region

Central Java

Country

Indonesia

Population

526,870

How to give this address

On a sign, a form or a delivery note

The whole code, #7P34P-277NK. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Central Java

Surakarta 277NK: 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 5.3 km east or west of Surakarta. 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

#7P34P-277NK*K. 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 53 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. 47P34Metropolitan area40 km by 53 km
2. P7P34PDistrict8 km by 10.6 km
3. 27P34P2Suburb1.6 km by 2.12 km
4. 77P34P27A few streets320 m by 424 m
5. 77P34P277Building64 m by 84.8 m
6. N7P34P277NEntrance12.8 m by 17 m
7. K7P34P277NKDoorway2.56 m by 3.39 m

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