operator predecessor rt nl founded dec 2002 headquarters cookstown court old belgard road tallaght dublin 24 area served ireland services saorview saorsat telecoms distribution parent raidi teilif s ireann website http www.2rn.ie 2rn 1 is the trading name of rt transmission network ltd 2 a wholly owned subsidiary of raidi teilif s ireann formerly trading as rt nl which runs ireland s principal digital terrestrial television and radio broadcast networks . in dec 2002 it became an incorporated company and subsidiary of rt it was previously a division within rt . it operates 12 main tv and radio transmitter sites and many smaller relays and transposers which carry television and or radio . it also provides site hosting for mobile telephone operators the emergency services wireless broadband and other private mobile communications service providers . in apr 2013 a repositioning 3 was carried out to provide arm s length broadcast transmission services to all national tv and radio broadcasters . the repositioning renamed and rebranded rt nl to 2rn the name comes from the original irish radio service known as 2rn derived from to ireann dubious discuss . a new board of directors was appointed with an independent chairman and its headquarters was located in tallaght across the city from its owners campus at donnybrook in dublin . contents 1 rt nl 2 carried content 3 digital upgrades 3.1 television saorview saorsat 3.2 radio 4 transmission sites 4.1 main sites for dtt fm radio and dab digital radio 4.2 lw radio 4.3 relay transmitters 4.4 transmitters no longer active 5 external links 6 references rt nl edit carried content edit saorview is carried from all 64 tv transmitter sites . 4 the 4 psb fm radio stations rt radio 1 rt 2fm rt lyric fm and rt raidi na gaeltachta are carried although not all on every transmitter or relay . 5 the longwave radio transmitter carries rt radio 1 only on the 252 khz frequency . commercial radio broadcaster today fm is also carried on most main sites as well as many relays and many independent local radio stations use the local 2rn transmission site . digital upgrades edit television saorview saorsat edit 2rn having built and commissioned the new digital infrastructure is also the body responsible for day to day running and operating the platform providing 98 % population coverage at aso in october 2012 . broadcasting is done via dvb t using mpeg 4 video compression and mpeg 1 layer ii audio compression . saorsat will cover the remaining 2 % not covered by dtt due to terrain issues using narrowband ka satellite from june 2011 . for more on these see saorview article rt via 2rn are licensed by comreg to operate and maintain 2 public service broadcasting psb multiplexes or muxes on the saorview digital terrestrial television service . 6 both muxes are operational . radio edit 2rn have slowly deployed a dab broadcast network 7 which is currently only available in three main urban areas dublin cork & limerick and the north east of the country from 4 transmitters on multiplex 12c to approx 56 % of the population . currently only rt are licensed to operate a dab multiplex but in the past a private multiplex has operated on two transmitters on a trial licence . dab in ireland carries details of the channels carried . the clarkestown lw transmitter is equipped for and has been used to carry digital radio mondiale transmissions in the past but there are no public plans to continue this . transmission sites edit main sites for dtt fm radio and dab digital radio edit cairn hill county longford clermont carn county louth holywell hill county donegal kippure county wicklow maghera county clare mount leinster county carlow mullaghanish county cork spur hill county cork three rock county dublin truskmore county sligo lw radio edit clarkstown county meath lw radio equipped for drm relay transmitters edit achill island county mayo dtt fm radio arranmore island county donegal dtt fm radio arklow county wicklow dtt athlone town county westmeath fm radio ballybofey county donegal dtt fm radio ballydavid county kerry fm radio bandon county cork dtt bantry county cork dtt fm radio cahir county tipperary dtt cahirciveen county kerry dtt fm radio casla county galway dtt fm radio castlebar county mayo dtt fm radio castletownbere county cork dtt fm radio clifden county galway dtt fm radio clonakilty county cork dtt clonmany county donegal dtt clonmel county waterford dtt fm radio collins barracks cork county cork dtt fm radio crosshaven county cork dtt fm radio dingle county kerry dtt dooncarton iorras county mayo dtt drimoleague county cork dtt dungarvan county waterford dtt fm radio ennistymon county clare dtt falcarragh county donegal dtt ferrypoint county waterford serves youghal dtt fanad county donegal dtt fm radio fermoy county cork dtt fm radio forth mountain county wexford dtt gallow s hill county waterford site serves waterford city dtt fm radio glanmire county cork dtt glencolmcille county donegal dtt glendalough county wicklow dtt glenties county donegal dtt gorey county wexford dtt greenore county louth dtt greystones county wicklow dtt fm radio kilduff county tipperary dtt fm radio carries rt radio 1 only on 90.2 killaloe county clare dtt kilmacthomas county waterford dtt knockanore county kerry dtt fm radio knockmoyle slieve mish county kerry dtt fm radio kinsale county cork dtt fm radio lahinch county clare fm radio leap county cork dtt letterkenny county donegal dtt maamclassach county kerry dtt fm radio magheroarty county donegal dtt fm radio malin head county donegal dtt fm radio mitchelstown county cork dtt monaghan county monaghan dtt fm radio mount gabriel county cork dtt moville county donegal dtt fm radio rosscarbery county cork dtt suir valley county kilkenny dtt fm radio timoleague county cork dtt tonabrocky county galway dtt woodcock hill county clare dtt fm radio dab digital radio transmitters no longer active edit abbeyfeale county limerick uhf television aghavannagh county wicklow uhf television annagry county donegal uhf television annascaul county kerry uhf television araglin county cork uhf television arthurstown county wexford uhf television ashford county wicklow uhf television ashleam county mayo uhf television athlone moydrum county westmeath telecommunications . was mw radio avoca county wicklow a uhf television avoca county wicklow b uhf television ballinastoe county wicklow uhf television ballineen county cork uhf television ballingeary county cork uhf television ballinglen county wicklow uhf television ballintrillick county sligo uhf television ballyandreen county cork uhf television ballymacarbry county waterford uhf television ballynakilly county kerry uhf television ballyporeen county tipperary uhf television ballinure county cork telecommunications only . was mw radio . bealanabrack county galway uhf television belgooley county cork uhf television ben gorm county mayo uhf television blarney county cork uhf television bonane county kerry uhf television briska county mayo uhf television brittas bay county wicklow uhf television broadford county clare uhf television corrnamona county galway uhf television crossbarry county cork uhf television donnybrook dublin county dublin vhf television droumgarriff county cork uhf television dromanassig county kerry uhf television dunquin county kerry uhf television dunmanway county cork uhf television failmore county galway uhf television glenbeigh county kerry uhf television glencar county kerry uhf television headford county kerry uhf television inchigeelagh county cork uhf television inistioge county kilkenny uhf television kells bay county kerry uhf television kilkee county clare uhf television killeagh county cork uhf television kilmacomma county tipperary uhf television lauragh county kerry uhf television listowel county kerry uhf television lomanaugh county kerry uhf television maam county galway uhf television macroom county cork uhf television monasootagh county wexford uhf television morley s bridge county kerry uhf television mountainstage county kerry uhf television mulranny county mayo uhf television nire valley county waterford uhf television passage west site located at marino near cobh county cork uhf television termon county donegal uhf television tinahealy county wicklow uhf television tomriland county wicklow uhf television toomes bridge county cork uhf television tracton county cork uhf television tullamore county offaly mw radio westport county mayo uhf television woodenbridge county wicklow uhf television youghal south site at the strand youghal town county cork uhf television external links edit department of communications digital television dtt network saorview references edit companies registration office ireland no. 489832 companies registration office ireland no. 364909 rt press release 23 july 2012 rt announces repositioning of rt nl saorview frequencies and transmission sites radio frequencies and transmitter sites comreg issued two dtt multiplex licences to rt one in december 2007 the other in may 2011 . dab network v t e rt services radio television rt aertel rt guide integrated business divisions ibds rt television rt radio rt news and current affairs rt orchestras quartet & choirs rt digital 2rn subsidiaries rt commercial enterprises limited rt music limited rt global sales rt transmission network limited rt licence collections limited dormant dtt network company dormant seirbh s theilif s na gaeilge teoranta dormant management rt board director general of rt dee forbes rt executive board financing rt orchestras quartet & choirs rt national symphony orchestra rt concert orchestra rt philharmonic choir rt c r na n g rt vanbrugh quartet online rt . ie rt player v t e main broadcast transmitters in ireland active transmitter sites cairn hill clarkstown lw clermont carn holywell hill kippure maghera mount leinster mullaghanish spur hill three rock truskmore retrieved from https en.wikipedia.org w index.php title 2rn rt networks & oldid 730274781 categories raidi teilif s ireannhidden categories all accuracy disputesarticles with disputed statements from june 2015 navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 17 july 2016 at 23 23 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the 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