We went digital last year and we did have to retune a fair number of times on and off. Sometimes a couple of times a night but once it went over fully, it all settled down
The Crystal Palace serves Greater London and parts of the home counties.
The transmitter switches in two stages on 4 April and 18 April to give
people the chance to check their equipment. It is important your TV
is converted by stage one.
If you have Freeview, then you will need to re-tune on both switchover
dates. For instructions,