dvbtune -f 634833 # BBC (may get FE_TIMEDOUT error) so keep trying,
possibly by creating some cpu delay by browsing webpages or someting while it polls...
scan -c # e.g. get BBC ONE audio and video pids, (in hex, but dvbstream likes them in decimal.)
Now... enjoy tv....
dvbstream -v 600 -a 601 -ps -o | mplayer -cache 4096 - # or 640, 641 for bbc news 24