Digital switchover to start in east Yorkshire and Lincolnshire
The digital switchover is to begin in east Yorkshire and Lincolnshire, as analogue signals are turned off.
The switchover happen in two stages, with the first stage beginning in the early hours of 3 August.
BBC Two will cease broadcasting in analogue and BBC digital channels will become available for the first time to those watching on local relay channels.
All terrestrial TV services will be off air during the night.
They are expected to be restored at about 06:00 BST. In areas which are served by relay transmitters, the services are expected to resume by mid-morning.
All Freeview, BT Vision and Top Up TV viewers will need to retune their equipment to regain missing channels.
The second stage will take place on 17 August, when all remaining analogue channels will be turned off.
This will affect BBC One, ITV1, Channel 4 and Channel 5.
They will be replaced with additional digital services
The rest of the Yorkshire TV region will follow the same two stage process, carried out transmitter by transmitter, until 21 September.