Grid Point Code
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Chichen Itza

near Chichén-ItzáYucatánMexico

Grid Point Code for Chichen Itza
With a code
#GFKHF-75MWF
Said aloud
Chichen Itza 75MWF

Open in the playground

What the code says

The Grid Point Code for Chichen Itza is #GFKHF-75MWF. It names a cell 2.56 m north to south and 3.20 m east to west, centred on 20°40'59.04"N, 88°34'06.97"W, 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
Pre-Columbian Maya city in Mexico
Code
#GFKHF-75MWF
With a check character
#GFKHF-75MWF*D
Short form
75MWF
Cell centre
20.683066, -88.568602
Cell size
2.56 m by 3.20 m
Region
Yucatán
Country
Mexico

How to give this address

On a sign, a form or a delivery note

The whole code, #GFKHF-75MWF. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Yucatán

Chichen Itza 75MWF: 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 5.0 km east or west of Chichen Itza. 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

#GFKHF-75MWF*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 50 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. GFKHMetropolitan area40 km by 50 km
  2. GFKHFDistrict8 km by 10 km
  3. GFKHF7Suburb1.6 km by 2 km
  4. GFKHF75A few streets320 m by 400 m
  5. GFKHF75MBuilding64 m by 80 m
  6. GFKHF75MWEntrance12.8 m by 16 m
  7. GFKHF75MWFDoorway2.56 m by 3.2 m

More in Mexico

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