One of the most visited posts on this site is my list of the direct stream URLs for BBC Radio services. Since it was posted, the BBC have revamped their streaming infrastructure, and most internet radio services can only access the Long Wave version of Radio 4. This is hugely annoying, as it includes guff like The Daily Service.
Thanks to the BBC HTML 5 Beta, we seem to have a working .m3u8 for Radio 4 FM. For your delectation (terms & conditions apply, the value of your internet radio device may go down as well as up: BBC Radio 4 FM .m3u8