As promised, FCC chairman Tom Wheeler has moved swiftly to seek comment on a proposal by broadcasters to deploy the new ATSC 3.0 transmission standard while still simulcasting their DTV broadcasts in the current standard—the two are not compatible.In a public notice, the FCC set an initial comment deadline of May 26 and a reply comment deadline of June 27.
Source: FCC Seeks Comment on ATSC 3.0 Petition | Broadcasting & Cable