Preseli

The transmitting station entered full programme service as an ITA 405-line transmission site.

1 November 1982 - 3 January 1985
S4C was added when the service began operations on 1 November 1982.

3 January 1985 - 30 March 1997
405-line transmissions ceased at Preseli when the remaining 405-line transmissions closed down for good on 3 January 1985.

30 March 1997 - 16 September 2009
Channel 5 was added when the service began operations on 30 March 1997.