1985: VHF 405-line television is discontinued in the UK, having been replaced by the UHF service. The VHF service from Black Mountain closes.
1990: FM commercial radio station BCR (later City Beat) now Q Radio begins on 96.7 MHz on 6 April.
1997: Analogue transmissions of Channel 5 begin at high power.
2001: DAB Digital Radio transmissions start from Score Northern Ireland on block 12D on 6 September.
2005: FM station U105 begins on 105.8 MHz on 14 November.
2012: On 24 October analogue television services are ceased and replaced by digital multiplexes. NImux launches at this and two other transmitter sites in Northern Ireland transmitting TG4, RTÉ One, RTÉ Two and RTÉ Raidió na Gaeltachta to the region.
2019: Further frequency changes took place in September as part of the 700 MHz clearance plan for new mobile telecom services,
Digital television replaced the old analogue signals during October 2012. An additional multiplex named NImux including TG4, RTÉ One, RTÉ Two and RTÉ Raidió na Gaeltachta launched at switchover here and at two other transmitters in Northern Ireland. In September 2019 further frequency changes took place.