Apparently it will be all news radio - not all news TV audio like CNN Headline News once had. And it won't be offered to terrestrial stations
Fox News radio service coming to SiriusXM
Political talking heads need not apply to Fox News Headlines 24/7, coming to SiriusXM satellite radio
Fox News is creating a live all-news channel for satellite radio provider SiriusXM.
The channel, called Fox News Headlines 24/7, will be a first for SiriusXM, which has never carried an all-news format similar to what terrestrial radio listeners get locally. It will also be the only national 24-hour live radio news service of any kind.
A SiriusXM spokesman said Wednesday all editorial content for the new channel will be produced by Fox News, and will primarily focus on breaking news coverage. The channel will be fully staffed to cover news around the clock.
A Fox News Channel spokeswoman said there are no plans for Fox News Headlines 24/7 to have any of the political commentary or opinion that airs in much of the programming on the Fox News Channel. ...
http://www.latimes.com/entertainment/envelope/cotown/la-et-ct-fox-news-siriusxm-20150624-story.html