On the 12th August 2020 there will be some major alterations on the main land transmitter at Winter Hill that services the Northwest.
The channel frequencies are to be moved from the higher end of the frequency bandwidth to the lower end. After these changes, your terrestrial TV signal is likely to be affected and you will have to undertake either a auto or manual retune on your TV.
If the auto or manual retune is not successful, you may need to replace the existing TV aerial that services your property. As certain types of aerials will not be able to cater for the frequency alterations.
The frequency changes have been implemented to make way for 5G.