Carn Clonhugh (Irish: Carn Clann Aodha) is a hill just north of Longford Town, approximately halfway between Drumlish and Ballinalee. It is the highest point in County Longford. The hill is 300 metres above sea level, and has a transmitter situated on the top which rises 100 metres above the peak of the hill. The hill is also known as Cairn Hill, and this is where the name of the transmitter derives (Cairn Hill Transmitter). (The original Irish form of the name refers to the ancient territory of Clann Aodha (Clanhugh) corresponding to the north-western part of County Longford). Longford (An Longfort in Irish) is the county town of County Longford in the Midlands of Ireland. ... Ballinalee, formerly St Johnstown (Irish: Béal Átha na Lao), is a village in northern County Longford, in the province of Leinster, Ireland. ... County Longford (Irish: Longphort) is a county situated in the Irish Midlands, in northwest Leinster. ... The Metre (or Meter) is the base fundamental unit of length in the metric measurement system as defined originally by the French Academy of Sciences during the French Revolutionary–Napoleonic war era, and subsequently adopted by various successive International Standards Committees as the utility, elegance, and self-consistency of the...

Transmitter

The site is the home of the first UHF transmitter in Ireland opened by RTÉ in 1978; designed to fill an area of poor reception in the Irish midlands. The transmitter is the most powerful in Ireland, with an ERP of 800 kW. Initially just one channel (RTÉ) was carried however now the countries four networks are available in UHF from this site. The transmitter has recently (2005) started to carry radio stations, however only RTÉ Radio 1 has begun broadcasting so far. This article is about the radio frequency. ... Radio Telefís Éireann (RTÉ; Irish for Radio and Television of Ireland) is the national publicly-funded broadcaster of Ireland. ... 1978 (MCMLXXVIII) was a common year starting on Sunday (the link is to a full 1978 calendar). ... In radio telecommunications, effective radiated power or ERP is determined by subtracting system losses from system gains. ... The watt (symbol: W) is the SI derived unit of power. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... RTÉ Radio 1 dates back to January 1st 1926, when the Dublin radio station 2RN began broadcasting on a regular basis. ...

Channels listed by Frequency

• Analogue Radio (FM VHF)
  • 89.7 MHz - RTÉ Radio 1 (at 16 kW)

• Analogue Television
  • UHF 40 (623.25 MHz) - RTÉ One
  • UHF 43 (647.25 MHz) - RTÉ Two
  • UHF 46 (671.25 MHz) - TV3
  • UHF 50 (703.25 MHz) - TG4