Filed under: WirelessIt's still not entirely clear how it'll be used, but there's one thing about the FCC's upcoming 700MHz auction that we now know for sure: it'll go down on January 16 of next year. The feds look to sell off a grand total of 1,099 licenses freed by the approaching end of analog television broadcasting divided into five distinct blocks. So-called Blocks A and E cover the FCC's Economic Areas, 176 distinct subdivisions of the US and its territories. Block B is divided into the smaller Cellular Market Areas category, 734 in total. Block C is Regional, meaning just 12 licenses will be offered spanning the nation. Finally, the controversial Block D -- the