The BBC has said that a new TV channel for Scotland will launch in 2018.

More details from the BBC site here.

"The director-general also announced £1.2m for Gaelic channel BBC Alba, taking its budget to £20m.
The proposals will be subject to approval by the BBC's new unitary board and possibly by Ofcom."

The budget will be similar to BBC 4, and will have a news bulletin at 2100 hrs.
"It said the 9pm news slot on the new channel offered the audience choice and quality and would provide comprehensive reporting of the news from a Scottish perspective."