P640 CEEFAX 640 Sun 9 Apr 02:34/10     BBC RADIO LISTINGS  Radio 1 641 Radio 2 642 Radio 3 643 Radio 4 644 Radio 5 645 BBC Radio Scotland/Wales/Ulster 647 BBC World Service 648  INDEPENDENT RADIO Classic FM/Virgin 1215 649 Virgin 1215 649 Talk Radio 649  Links with BBC Radio programmes 650  BBC1 601 BBC2 602 ITV 603 Ch4 604 Radio 1 Radio 2 Radio 3 Radio 4