Tech
At 2am the terrestrial signal for BBC Two was turned off in the Whitehaven and Copeland area, which covers about 60,000 people.
On November 14 it will be followed by BBC One, ITV1 and Channel 4. BBC Two has been replaced with five digital services and 15 services will take the place of the other three channels.
It follows years of planning and a huge publicity campaign to make sure the trial goes to plan.
The rest of the UK is due to go through the switch-off in a series of phases between next year and 2012.
Digital Spy marks the switch-off by looking at the history of digital terrestrial television in the UK, presenting a full DTT timeline and examining a range of views on the switchover from politicians, industry figures and those affected.
More: Tech, Terrestrial TV
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