Grid Point Code

Play

Main Square

KrakówLesser Poland VoivodeshipPoland

Without a code
Main Square, Kraków, and then directions
With a code
#PWD32-6GCN3
Said aloud
Main Square 6GCN3

This code is one spot in Main Square, a cell 2.56 m by 2.20 m. Every stall front and doorway in it has a code of its own.

Get the code for your door

What the code says

The Grid Point Code for Main Square is #PWD32-6GCN3. It names a cell 2.56 m north to south and 2.20 m east to west, centred on 50°03'42.01"N, 19°56'14.04"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 square of the Old Town in Kraków, Poland
Code
#PWD32-6GCN3
With a check character
#PWD32-6GCN3*F
Short form
6GCN3
Cell centre
50.061669, 19.937234
Cell size
2.56 m by 2.20 m
City
Kraków
Region
Lesser Poland Voivodeship
Country
Poland

How to give this address

On a sign, a form or a delivery note

The whole code, #PWD32-6GCN3. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Kraków

Main Square 6GCN3: 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 3.4 km east or west of Main Square. 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

#PWD32-6GCN3*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 34.3 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. PWD3Metropolitan area40 km by 34.3 km
  2. PWD32District8 km by 6.86 km
  3. PWD326Suburb1.6 km by 1.37 km
  4. PWD326GA few streets320 m by 274 m
  5. PWD326GCBuilding64 m by 54.9 m
  6. PWD326GCNEntrance12.8 m by 11 m
  7. PWD326GCN3Doorway2.56 m by 2.2 m

More in Poland

Place and region from Wikidata, described on Wikipedia; city from GeoNames, under CC BY 4.0.