2010 On 24 March 2010 BBC2 was switched off on UHF 64 and HTV West was switched from UHF 61 for its final weeks of service. Multiplex 1 on UHF 59+ was closed and replaced by BBC A on UHF 61 (which had just been vacated by analogue HTV West). BBC A was transmitted at full power (100 kW) and in 64QAM, 8k carriers mode from the start. Digital 7 April 2010 – 28 September 2011 Following the completion of analogue TV shutdown on 7 April 2010, Mendip transmitted all of its higher powered multiplexes at 100 kW. From this date until the second-stage switchover of 28 September 2011 the frequency allocation was: 28 September 2011 – 28 March 2012 With the completion of digital switchover at Oxford, all multiplexes could be moved to their final channel allocations with the exception of Arqiva A. SDN increased to half its full power output (50 kW). 28 March 2012 – 26 March 2013 On 28 March 2012 Arqiva A moved to its final channel allocation at UHF 56, after the completion of digital switchover at Salisbury. Arqiva A and B and SDN also increased to full power (100 kW) on this date. 27 March 2013 – 27 February 2018 BBC A moved from UHF 61 to UHF 49 to allow for the clearance of the 800 MHz band for 4G LTE mobile services. 27 February 2018 - 4 April 2019 Arqiva A has moved from UHF 56 to UHF 33 for the start of the 700MHz clearance programme at Mendip. 4 April 2019 – 5 June 2019 BBC A has moved from UHF 49 to UHF 32 as part of the 700MHz clearance programme at Mendip. 5 June 2019 - Present Digital 3&4 has moved from UHF 54 to UHF 34, and BBC B have moved as well from UHF 58 to UHF 35 as part of the 700MHz clearance programme at Mendip. Many Welsh residents also prefer Mendip's service to the Wenvoe service as it provides a stronger signal to the coastline and areas in the shadow of the Wenvoe mast. See also List of masts List of radio stations in the United Kingdom List of tallest buildings and structures in Great Britain References External links The Transmission Gallery: photographs, coverage maps and information Info and pictures of Mendip transmitter including historical power/frequency changes and present co-receivable transmitters Entry at skyscraperpage.com