Very interesting. We could have used this ourselves, but ended up writing a way (circa 2010) for Postgres to be queried by MGRS (Military Grid Reference System:

Very interesting. We could have used this ourselves, but ended up writing a way (circa 2010) for Postgres to be queried by MGRS (Military Grid Reference System: https://en.wikipedia.org/wiki/Military_grid_reference_system https://en.wikipedia.org/wiki/Military_grid_reference_system)