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Mullach an Ois
Mullaghanish from Foilanomera.jpg
Transmitter masts at Mullaghanish
Highest point
Elevation649 m (2,129 ft) [1]
Prominence264 m (866 ft) [1]
ListingMarilyn, Hewitt
Coordinates51°59′00″N 9°08′39″W / 51.983393°N 9.144209°W / 51.983393; -9.144209Coordinates: 51°59′00″N 9°08′39″W / 51.983393°N 9.144209°W / 51.983393; -9.144209
English translationsummit of the deer
Language of nameIrish
Mullaghanish is located in island of Ireland
Location in Ireland
LocationCork, Kerry, Ireland
Parent rangeDerrynasaggart Mountains
OSI/OSNI gridW214817
Topo mapOSi Discovery 79

Mullaghanish (Irish: Mullach an Ois) is a 649 m high mountain in the Derrynasaggart range, located just northeast of Ballyvourney in County Cork, Ireland.

Transmission site[edit]

This site is home to one of Telefís Éireann's original five main television transmitters. 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. Analogue television transmissions from this site ended on 24 October 2012, and the national DTT service, Saorview, is now broadcast from Mullaghanish at an ERP of 200 kW, making this the most powerful television transmitter in all of Ireland, a distinction formerly attributed to the Cairn Hill (analogue) transmitter in County Longford.
As well as digital television, six national FM radio services are broadcast from the site, all using vertical polarisation. Local station, Radio Kerry, is broadcast from a directional antenna pointing west, into its target service area of County Kerry, and Newstalk is broadcast in mono.
The Mullaghanish transmitter also has the highest number of relays (20) of any television transmitter in Ireland reflecting the difficult topography of its service area.

Current transmissions[edit]

Digital television[edit]

Frequency UHF kW Multiplex Pol
474 MHz 21 200 Saorview 1 H
498 MHz 24 200 Saorview 2 H

Analogue FM radio[edit]

Frequency kW Service
90.0 MHz 160 RTÉ Radio 1
92.2 MHz 160 RTÉ 2FM
94.4 MHz 160 RTÉ Raidió na Gaeltachta
97.0 MHz 20 Radio Kerry
99.6 MHz 160 RTÉ Lyric FM
101.8 MHz 160 Today FM
107.4 MHz 20 Newstalk

List of Mullaghanish DTT relay transmitters[edit]

Relay transmitter County Mux 1 Mux 2 kW Pol
Bandon Cork 47 44 0.04 H
Bantry Cork 52 56 2 V&H
Castletownbere Cork 55 59 4 V
Clonakilty Cork 48 52 0.05 H
Crosshaven Cork 46 56 0.5 V
Dingle Kerry 30 26 0.5 V
Drimoleague Cork 42 49 0.05 V
Dungarvan Waterford 55 59 10 H
Fermoy Cork 52 56 0.05 V
Ferrypoint Waterford 47 52 0.05 V
Glanmire Cork 47 52 0.2 H
Kilkeaveragh Kerry 47 44 8 V
Kinsale Cork 30 26 0.03 V
Knockmoyle Kerry 52 56 1 V
Leap Cork 46 48 0.02 H
Maamclassach Kerry 46 51 0.2 V
Mitchelstown Limerick 40 43 0.5 V
Mt. Gabriel Cork 37 31 0.5 V&H
Rosscarbery Cork 53 57 0.05 H
Timoleague Cork 26 29 0.01 V



  1. ^ a b "Mullaghanish". Retrieved January 7, 2017.