SamTruelove published ​This is the reason your Freeview might be playing up in Reigate...

Those watching their favourite TV shows on Freeview this week in Reigate and Caterham may find they are unable to do so. New 4G masts have been switched on in the two areas, giving people faster access to the internet on smartphones and tablets. However, there is a chance that some 4G mobile signals will cause interference with televisions using Freeview in the area.Because 4G signals sit next to the frequencies used by Freeview, they can overload the receivers in TVs which causes interference....

from Surrey Mirror All Content Feed http://www.surreymirror.co.uk/8203-this-is-the-reason-your-freeview-might-be-playing-up-in-reigate-and-caterham/story-30317738-detail/story.html