IMHO the Maidenhead Locator System [1] solves this problem very nicely. Locations are concise and can be specified with arbitrary precision. And the encoding sc

IMHO the Maidenhead Locator System [1] solves this problem very nicely. Locations are concise and can be specified with arbitrary precision. And the encoding scheme makes vocal transmission quite robust. 1: https://en.wikipedia.org/wiki/Maidenhead_Locator_System https://en.wikipedia.org/wiki/Maidenhead_Locator_System