 Coming on air in December 1962, initially on low power, it was in full operation by September 1963 with a 625-line VHF service for the Southwest of Ireland, namely counties Cork, Kerry and Limerick.Today it is owned and operated by 2RN a subsidiary of RTÉ.In 2009 in preparation for the transmission of digital terrestrial television (DTT), a new mast was erected at Mullaghanish with a height of 225m, making it the tallest television transmitter in Ireland, the original 170m mast was subsequently removed.