ITV and Channel 4 have submitted their proposals for the proposed forthcoming HD offering on Freeview to Ofcom. ITV plan to simulcast channel 3 broadcasts between 18:00 and 23:00 each evening, with a focus on sport and drama. They also propose to sub-let their capacity during the day to other broadcasters, and offer an overnight HD service aimed at those with HD PVRs. Meanwhile, Channel 4 propose launching their existing 4HD channel in England, Scotland and NI. A new high-def version of S4C will be available in Wales. Teletext will also offer a data service, using an enhanced version of Freeview's existing MHEG system.