Tsingy de Bemaraha National Park

What the code says

The Grid Point Code for Tsingy de Bemaraha National Park is #8DRDG-HC8FN. It names a cell 2.56 m north to south and 3.24 m east to west, centred on 18°54'02.16"S, 44°48'50.45"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

Strict nature reserve of Madagascar

Code

#8DRDG-HC8FN

With a check character

#8DRDG-HC8FN*M

Short form

HC8FN

Cell centre

-18.900599, 44.814013

Cell size

2.56 m by 3.24 m

Region

Melaky

Country

Madagascar

How to give this address

On a sign, a form or a delivery note

The whole code, #8DRDG-HC8FN. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Melaky

Tsingy de Bemaraha National Park HC8FN: 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 5.1 km east or west of Tsingy de Bemaraha National Park. 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

#8DRDG-HC8FN*M. 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 50.6 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. D8DRDMetropolitan area40 km by 50.6 km
2. G8DRDGDistrict8 km by 10.1 km
3. H8DRDGHSuburb1.6 km by 2.02 km
4. C8DRDGHCA few streets320 m by 404 m
5. 88DRDGHC8Building64 m by 80.9 m
6. F8DRDGHC8FEntrance12.8 m by 16.2 m
7. N8DRDGHC8FNDoorway2.56 m by 3.24 m

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