ianmcneil - 5 hours ago »
Are you saying that the Freeview channel line-up is going to change in the future, or just pointing out that it may change
The line up frequently changes on the commercial frequencies. For example 4seven has had a place marker created ready for its launch. The public sector channels do not change so often but recently an extra channel has been added ready to start broadcasting during the Olympics.
ianmcneil - 5 hours ago »
And can I simply delete all the 8xx radio channels (there are no 8xx TV channels)?
You could get lucky. But even if you are you will not know if any issues that come up in future are down to the tuning or some other cause. Why make life more difficult for yourself?