Riga

What the code says

The Grid Point Code for Riga is #PLN5R-PFTHR. It names a cell 2.56 m north to south and 1.87 m east to west, centred on 56°56'45.59"N, 24°06'21.15"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 Riga, near its centre, and Riga is the capital of Latvia.

Code

#PLN5R-PFTHR

With a check character

#PLN5R-PFTHR*D

Short form

PFTHR

Cell centre

56.945998, 24.105876

Cell size

2.56 m by 1.87 m

Country

Latvia

Population

742,572

How to give this address

On a sign, a form or a delivery note

The whole code, #PLN5R-PFTHR. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Latvia

Riga PFTHR: 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 2.9 km east or west of Riga. 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

#PLN5R-PFTHR*D. 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 29.1 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. 5PLN5Metropolitan area40 km by 29.1 km
2. RPLN5RDistrict8 km by 5.83 km
3. PPLN5RPSuburb1.6 km by 1.17 km
4. FPLN5RPFA few streets320 m by 233 m
5. TPLN5RPFTBuilding64 m by 46.6 m
6. HPLN5RPFTHEntrance12.8 m by 9.33 m
7. RPLN5RPFTHRDoorway2.56 m by 1.87 m

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