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# QTH Locator
Convert your current GPS location to the [Maidenhead](https://en.wikipedia.org/wiki/Maidenhead_Locator_System) locator system used by HAM amateur radio operators.
## Description
A Maidenhead locator compresses latitude and longitude into a short string of characters, which is similar in concept to the World Geographic Reference System or GEOREF. This position information is presented in a limited level of precision to limit the number of characters needed for its transmission using voice, Morse code, or any other operating mode.[4]
The chosen coding uses alternating pairs of letters and digits, like so:
* BL11bh
support Paul Brewer KI6CQ HamGridSquare.js
support Chris Veness 2002-2012 LatLon library