generate questions: The Freeview HD service currently contains 10 HD channels (as of December 2013[update]) and was rolled out region by region across the UK in accordance with the digital switchover process, finally being completed in October 2012. However, Freeview HD is not the first HDTV service over digital terrestrial television in Europe;
How many HD channels did the Freeview HD service contain as of December 2013? {sep_token} When was the digital switchover process completed in the UK? {sep_token} Which service contains 10 HD channels and finished its roll out in October 2012? {sep_token} How was the Freeview HD service rolled out in the UK? {sep_token}