For Siân & Guest who had problems finding the station, as mentioned above, try a new autosearch of the channels.
To quote the BBC site:
Re-tuning/re-scanning your box/IDTV

The continued growth in the number of Freeview services available has meant that a change to some of the channel numbers was required to ensure a logical and user friendly channel list.

Many boxes/IDTVs will have updated automatically and if you can access BBC News 24 on channel 80 you need do nothing further; if however BBC News 24 is still on channel 40 then you will need to manually re-tune/re-scan your equipment to ensure it recognises the updated channel numbers.

Your instruction manual tells you how to do this, but if you have trouble you will need to call your manufacturer's helpline (see our link below). We've put together this basic information to help you:

Found Here

CHEERS

Nigel