Explanation given by BBC technologist:
	Quote:
	
	
		| OFCOM has renewed Licences for Muxes PSB 2 and COM 1,2 and 3 to  31 December 2034    call it 2035 which is when  Contracts with Arqiva end
 The documents are the "Notices of  Renewal"  at https://www.ofcom.org.uk/tv-radio-an...l-tv/multiplex
 
 The Licenses can be revoked for a number of reasons  which includes
 Section 16(16A) of the 1996 Act
 (7) With the consent of the Secretary of State, Ofcom may revoke the Licence for reasons related
 to the management of the radio spectrum.
 This is qualified
 (10) Where Ofcom make the decision to revoke the Licence they shall specify a date, not earlier
 than 31 December 2030 or five years after the date on which the notice is given (whichever
 is the later), on which the revocation takes effect.
 
 This is at page 26 of any  of the above Licenses (full version)
 
 OFCOM have indicated that they are unlikely to do this for 2030
 and I'm sure  that if it was substantially  before 2035 there would  be many representations made ....
 
 The BBC Muxs  end on two dates
 for PSB 1 /BBC A  on 31 December 2027 - which is when  the BBC ceases to exist  in Law
 as you cannot have  a license owned by something/ one  that does not exist!!
 (this is a point Dr Shah makes - the BBC charter is about the only one that does not exist in perpetuity)
 For PSB B which is operated by BBC FTV Ltd  expires on 16 November 2026 "12 years from 16 November 2012"
 so application needs to be made by then if it is to be continued
 Bearing in mind that it carries non BBC PSB channels in HD and there are contracts  with Arqiva running to 2035 it would get very interesting if it was not renewed.....
 or PSB1 conditions and transmission  mode changed .....   and which  services are carried on it on spectrum gifted to the BBC.
 
 So it looks likley that all Six  muxes will exist to at least 2030 and probably  most of them beyond that to 2035
 As it requires the band to be cleared  of DVB emission from existing sites  to make it available for Mobile telco use ....
 by which time it is very likely that there will be a demand by the mobiles for the spectrum  and little TV wanting to be emitted
 but DTT may exist but not DVB - but there are commercial and regulatory issues!!
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