Bart Jahnke, W9JJ, ARRL Contest Branch Manager
[as announced in December 2017 QST, page 92]
Join in on the ARRL's newest year-long operating event!
You may not know this, but your station is in a Maidenhead grid square. The entire world is divided into thousands of these 1° latitude × 2° longitude squares, each one with a unique designation. They're all part of a geographic location system adopted in the 1980s at a meeting of the VHF Working Group in Maidenhead, England.
Unless you are a VHF enthusiast, this nugget of information may not mean much. But at 0000 UTC on January 1, 2018, the global Amateur Radio community came alive with the exchange of grid squares.
See full story at: http://www.arrl.org/international-grid-chase-2018
For more information on grid squares see http://www.arrl.org/grid-squares