On May 21, 2013, the Media Bureau announced a two-month period ending July 22 , 2013 for Auction 83 applicants with proposals that are mutually exclusive with other proposals. Applicants may enter into settlement agreements or resolve the mutual exclusivities by means of engineering solutions.
More information is available here: http://fjallfoss.fcc.gov/edocs_public/attachmatch/DA-13-1170A1.pdf