"Changes to some BBC local radio MW services .
In January 2018, a small number of local radio MW transmitters will be turned a result of detailed coverage assessments and a number of medium wave switch-off trials, we have decided to turn off 13 local medium wave transmitters. This will result in BBC Radio Sussex, Surrey, Humberside, Wiltshire, Nottingham, Kent, and Lincolnshire no longer being accessible on medium wave and reduced medium-wave coverage for BBC Devon, Lancashire and information on why we are doing this can be found in the BBC blog.
These changes will not take place until January 2018 and we will be giving out more detailed information over the next few months.
Listeners can also use the interactive transmitter tool to see how they can receive their local radio service on other radio and television platforms or use iPlayer Radio to access their local radio service."
http:///reception/news/item82 11 August 2017 via Dr Hansjoerg Biener (15/8-2017)