Maidenhead <-> Lat/Lon

maidenhead provides a simple, yet effective location hashing algorithm. Maidenhead allows global location precision down to 750m

Maidenhead provides 4 levels of increasing accuracy

Level	Precision
1	World
2	Regional
3	Metropolis
4	City

We also have Maidenhead conversion for Python

lat lon to Maidenhead locator

toMaiden(lat, lon, level) 

returns a char (len = lvl*2)

Maidenhead locator to lat lon

toLoc("AB01cd") 

take any string and returns topleft lat, lon of Maidenhead grid square.