Holywell Hill

Holywell Hill
Cnoc an Tobair
Holywell Hill Co. Donegal
Highest point
Elevation260 m (850 ft)
Coordinates54.998994°N 7.399838°W / 54.998994; -7.399838 
Geography
Holywell Hill
Location in Ireland
LocationCounty Donegal, Ireland
2RN transmission site on Holywell Hill

Holywell Hill transmission site

This transmission site, located in County Donegal, Ireland, is owned and operated by 2RN (formerly RTÉ NL) . The transmitter mast is a self-supporting steel lattice tower 60m tall, with the site itself being 260m ASL,[1] and just 50m from the border with Northern Ireland. The site was opened in 1981 to provide UHF television coverage to parts of County Donegal and Derry City and County. It originally carried the four Irish analogue channels, RTÉ One (Ch 23), RTÉ Two (Ch 26), TV3 (Ch 29), and TG4 (Ch 29), all horizontally polarised and at an effective radiated power of 20 kW. Digital terrestrial television (DTT) was first broadcast from the site in 2008 in preparation for the national switchover to digital television on 24 October 2012.[2]

Today the Irish digital television service Saorview, and five national radio stations on FM, are broadcast from the Holywell Hill site to a large area of North West Ireland including Derry city.[3] The transmitter also services a number of relay transmitters in County Donegal to help improve coverage in the difficult terrain.

Current transmissions

Digital television
Frequency UHF kW Multiplex Pol
482 MHz 22 20 Saorview 1 H
506 MHz 25 20 Saorview 2 H

Analogue FM radio
Frequency kW Service
89.2 MHz 6 RTÉ Radio 1
91.4 MHz 6 RTÉ 2fm
93.6 MHz 6 RTÉ Raidió na Gaeltachta
98.8 MHz 6 RTÉ lyric fm
101.0 MHz 6 Today FM

List of Holywell Hill DTT relay transmitters
Relay transmitter County Mux 1 Mux 2 kW Pol
Ballybofey Donegal 47 44 0.1 V
Clonmany Donegal 39 42 0.02 V
Fanad Donegal 43 46 1.5 V
Letterkenny Donegal 39 42 2 V
Magheraroarty Donegal 22 27 0.5 V
Malin Donegal 28 26 2 H
Moville Donegal 32 34 2 H
  • The approach road to the site
  • Top of the transmitter mast
  • Holywell Hill seen from Heather Road in Derry

References
  1. Mountain views Ireland. "Holywell Hill". Mountain view Ireland. Retrieved 31 October 2012.
  2. "Analogue consigned to broadcasting history". The Irish Times. 25 October 2012. Retrieved 12 June 2012.
  3. UK FreeTV. "Holywell Hill transmitter". Retrieved 31 October 2012.
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