Digital TV switchover has killed a lot of the mega-power transmitters, though. In the North West, for instance, Winter Hill used to run around 1,000kW for each

Digital TV switchover has killed a lot of the mega-power transmitters, though. In the North West, for instance, Winter Hill used to run around 1,000kW for each of the analogue TV channels. Post-DSO, this is down to 100kW per multiplex, as the DTT signal is far more robust.