Bydgoszcz

What the code says

The Grid Point Code for Bydgoszcz is #PWTFF-T4L7C. It names a cell 2.56 m north to south and 2.05 m east to west, centred on 53°07'24.60"N, 18°00'27.43"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 Bydgoszcz, near its centre.

Code

#PWTFF-T4L7C

With a check character

#PWTFF-T4L7C*5

Short form

T4L7C

Cell centre

53.123501, 18.007619

Cell size

2.56 m by 2.05 m

Region

Kujawsko-Pomorskie

Country

Poland

Population

330,038

How to give this address

On a sign, a form or a delivery note

The whole code, #PWTFF-T4L7C. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Kujawsko-Pomorskie

Bydgoszcz T4L7C: 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 3.2 km east or west of Bydgoszcz. 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

#PWTFF-T4L7C*5. 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 32.1 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. FPWTFMetropolitan area40 km by 32.1 km
2. FPWTFFDistrict8 km by 6.41 km
3. TPWTFFTSuburb1.6 km by 1.28 km
4. 4PWTFFT4A few streets320 m by 257 m
5. LPWTFFT4LBuilding64 m by 51.3 m
6. 7PWTFFT4L7Entrance12.8 m by 10.3 m
7. CPWTFFT4L7CDoorway2.56 m by 2.05 m

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