Truskmore () is a mountain with a height of on the border of

County Sligo County Sligo ( , ) is a Counties of Ireland, county in Republic of Ireland, Ireland. It is in the Northern and Western Region and is part of the Provinces of Ireland, province of Connacht. Sligo is the administrative capital and largest town in ...

and

County Leitrim County Leitrim ( ; ) is a Counties of Ireland, county in Republic of Ireland, Ireland. It is in the Provinces of Ireland, province of Connacht and is part of the Northern and Western Region. It is named after the village of Leitrim, County Leitr ...

Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...

. It is the highest summit in the

Dartry Mountains The Dartry Mountains () are a mountain range in the north west of Ireland, in the north of counties Sligo and Leitrim. They lie between Lough Melvin, Lough Gill and Lough MacNean. The highest point is Truskmore at . Other notable mountains i ...

and the highest in Sligo. It is in the middle of a

plateau In geology and physical geography, a plateau (; ; : plateaus or plateaux), also called a high plain or a tableland, is an area of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side. ...

whose edges are marked by high

cliff In geography and geology, a cliff or rock face is an area of Rock (geology), rock which has a general angle defined by the vertical, or nearly vertical. Cliffs are formed by the processes of weathering and erosion, with the effect of gravity. ...

s,Ordnance Survey Ireland - Online map viewer
/ref> including

Benbulbin Benbulbin (), sometimes Benbulben or Ben Bulben, is a steep-sided and flat-topped mountain in County Sligo, Ireland. It is part of the Dartry Mountains, in an area sometimes called " Yeats Country". Benbulbin, high, formed as a nunatak during ...

(526m), Benwiskin (514m), Slievemore (597m) and Kings Mountain (462m). The top of Truskmore lies in County Sligo, a short distance from the border with County Leitrim; however, the mountain itself is in both counties.

Transmission site

The Truskmore television transmitter opened on 1 February 1962, the second of the original five main Telefis Éireann transmitters to go on air after

Kippure Kippure (; ) at , is the 56th-highest peak in Ireland on the Lists of mountains in Ireland#Arderins, Arderin scale, and the 72nd-highest peak on the Lists of mountains in Ireland#Vandeleur-Lynams, Vandeleur-Lynam scale.Mountainviews, (September ...

(December 1961). It used as antenna carrier a 135 metre

tall mast. Initially its transmissions were only in 405-line television system, 405 lines on VHF channel 11, with 625-lines transmissions beginning in November 1963 on Channel I. The new

RTÉ Radio RTÉ Radio is a division and service of Irish public broadcaster Raidió Teilifís Éireann (RTÉ), which broadcasts four analogue channels and five digital channels across Ireland. Founded in January 1926 as 2RN, was the first broadcaster in ...

VHF FM radio service was added in 1966. The second television service came in 1978 on Channel G and

UHF Ultra high frequency (UHF) is the ITU designation for radio frequencies in the range between 300 megahertz (MHz) and 3 gigahertz (GHz), also known as the decimetre band as the wavelengths range from one meter to one tenth of a meter ...

television transmission began in 1996 with the advent of Teilifís na Gaeilge. In 2009 a new 175-m mast was erected in preparation for the changeover to digital television transmission and the original 1961 mast was removed. Since the national shutdown of the analog television networks on 24 October 2012, Truskmore now broadcasts the Irish DTT service

Saorview Saorview ( ) is the national digital terrestrial television (DTT) service in Ireland. It is owned by RTÉ and operated by 2RN. The service began operation on 29 October 2010 on a trial basis with a full launch on 26 May 2011. By legislation i ...

and the national FM radio channels to the northwest of Ireland, including a large area of the west of

Northern Ireland Northern Ireland ( ; ) is a Countries of the United Kingdom, part of the United Kingdom in the north-east of the island of Ireland. It has been #Descriptions, variously described as a country, province or region. Northern Ireland shares Repub ...

. The site is owned and operated by 2RN, a subsidiary of the Irish public service broadcaster

RTÉ (; ; RTÉThe É in RTÉ is pronounced as an English E () and not an Irish É ()) is an Irish public service broadcaster. It both produces and broadcasts programmes on television, radio and online. The radio service began on 1 January 1926, ...

Current transmissions

Digital television

FM radio

Truskmore relay transmitters

Gallery

Image:Sligo. The End Of The Road, with Truskmore mast in the distance. - geograph.org.uk - 1038465.jpg, Truskmore (in the distance) from the south Image:Truskmore Summit.jpg, OSI Triangulation pillar marking the summit of Truskmore Image:Truskmore_tall.jpg, Transmission site on the summit

References

{{Mountains and hills of Connacht Hewitts of Ireland Marilyns of Ireland Mountains and hills of County Sligo Mountains and hills of County Leitrim Highest points of Irish counties Transmitter sites in Ireland Mountains under 1000 metres