London DSO dates announced

London will go digital on 4 April 2012, in time for the London 2012 Olympic Games. Analogue BBC Two will disappear in London and neighbouring parts of Berkshire, Essex, Hertfordshire, Kent, Middlesex and Surrey on 4 April 2012.
The remaining analogue channels, BBC One, ITV1, Channel Four and Channel 5, will then be turned off on 18 April 2012.
London’s switchover will be the biggest in the UK, affecting nearly twelve million viewers and extending Freeview coverage to all parts of the capital and neighbouring areas for the first time.
There is 1 transmitter group in the London TV region (Crystal Palace), that will switch from analogue to digital TV in 2012.
Crystal Palace, Guildford, Hemel Hempstead and Reigate will have the full complement of commercial multiplexes.
Crystal Palace, Guildford, Hemel Hempstead and Reigate will have the full complement of commercial multiplexes. The London transmitter group includes the main transmitter at Crystal Palace, and the following relays at:

Alexandra Palace, Assendon, Biggin Hill, Bishops Stortford, Cane Hill, Caterham, Chepping Wycombe, Chesham, Chingford, Croydon (Old Town) , Dorking, East Grinstead, Edmonton, Farningham, Finchley, Forest Row, Gravesend, Great Missenden, Greenwich, Hammersmith, Hampstead Heath, Hemel Hempstead Town, Henley-on-Thames, Hertford, High Wycombe, Hughenden, Kenley, Kensal Town, Lea Bridge, Marlow Bottom, Micklefield, Mickleham, New Addington, New Barnet, Old Coulsdon, Orpington, Otford, Poplar, Skirmett, St Albans, Sutton, Walthamstow North, Welwyn, West Wycombe, Wonersh, Wooburn, Woolwich and Worlds End.
The two Channel 5 analogue transmitters at Croydon and Chelmsford will no longer be providing television services.