Redruth transmitting station
Services available -- Analogue radio ( FM/VHF )
Table:
Frequency

kW

Service

89.7 MHz

25

BBC Radio 2

91.9 MHz

25

BBC Radio 3

94.1 MHz

25

BBC Radio 4

99.3 MHz

25

BBC Radio 1

101.5 MHz

2 (H)
8 (V)

Classic FM

102.8 MHz

10.8

Pirate FM

103.9 MHz

18

BBC Radio Cornwall

107.0 MHz

10.69

Heart South West

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The hertz ( symbol : Hz ) is the derived unit of frequency in the International System of Units ( SI ) and is defined as one cycle per second . It is named after Heinrich Rudolf Hertz , the first person to provide conclusive proof of the existence of electromagnetic waves . Hertz are commonly expressed in multiples : kilohertz ( 103 Hz , kHz ) , megahertz ( 106 Hz , MHz ) , gigahertz ( 109 Hz , GHz ) , terahertz ( 1012 Hz , THz ) , petahertz ( 1015 Hz , PHz ) , exahertz ( 1018 Hz , EHz ) , and zettahertz ( 1021 Hz , ZHz ) . Some of the unit 's most common uses are in the description of sine waves and musical tones , particularly those used in radio- and audio-related applications . It is also used to describe the clock speeds at which computers and other electronics are driven . The units are sometimes also used as a representation of energy , via the photon energy equation ( E=hν ) , with one hertz equivalent to h joules .
BBC Radio 2 is one of the BBC 's two flagship national radio stations ( the other being BBC Radio 1 ) and the most popular station in the United Kingdom with over 15 million weekly listeners . Much of its daytime playlist-based programming is adult contemporary or AOR , although the station also broadcasts other specialist musical genres . Radio 2 broadcasts throughout the UK on FM between 88.1 and 90.2 MHz from studios in Wogan House , adjacent to Broadcasting House in central London . Programmes are relayed on digital radio via DAB , Sky , Cable TV , IPTV , Freeview , Freesat and the Internet .
BBC Radio 3 is a British radio station operated by the BBC . Its output centres on classical music and opera , but jazz , world music , drama , culture and the arts also feature . The station describes itself as 'the world 's most significant commissioner of new music ' , and through its New Generation Artists scheme promotes young musicians of all nationalities . The station broadcasts the BBC Proms concerts , live and in full , each summer in addition to performances by the BBC Orchestras and Singers . There are regular productions of both classic plays and newly commissioned drama . Radio 3 won the Sony Radio Academy UK Station of the Year Gold Award for 2009 and was nominated again in 2011 .
BBC Radio 4 , part of BBC Radio , is owned and operated by the British Broadcasting Corporation . It broadcasts a wide variety of spoken-word programmes including news , drama , comedy , science and history from the BBC 's headquarters at Broadcasting House , London . It replaced the BBC Home Service in 1967 . The station controller is Mohit Bakaya . It is the second-most-popular domestic radio station in the UK , broadcast throughout the UK , the Isle of Man and the Channel Islands on FM , LW and DAB , and can be received in eastern and south eastern counties of Ireland , the north of France and Northern Europe . It is also available through Freeview , Sky , Virgin Media and on the Internet . Its sister station , BBC Radio 4 Extra ( formerly BBC Radio 7 ) , complements the main channel by broadcasting repeats from the Radio 4 archive , extended versions of Radio 4 programmes and supplements to series such as The Archers and Desert Island Discs . It is notable for its news bulletins and programmes such as Today and The World at One , heralded on air by the Greenwich Time Signal pips or the chimes of Big Ben . Radio 4 broadcasts the Shipping Forecast , which reached 150 years old in August 2017 . The pips are only accurate on FM , LW , and MW as there is a delay on DAB and digital radio of approximately 3 to 5 seconds , even longer online ( up to 23 seconds ) .
BBC Radio 1 is one of the BBC 's two flagship radio stations ( the other being BBC Radio 2 ) , specialising in modern popular music and current chart hits throughout the day . Radio 1 provides alternative genres at night , including electronica , dance , hip hop and indie . The choice of music and presenting style is entirely that of programme hosts , however those who present in the daytime have to rotate a number of songs a specific number of times ( 8 , 13 or 15 ) per week . It was launched in 1967 to meet the demand for music generated by pirate radio stations , when the average age of the UK population was 27 . The BBC claim that they target the 15-29 age group , and the average age of its UK audience since 2009 is 30 . BBC Radio 1 started 24-hour broadcasting on 1 May 1991 .
Classic FM ( stylised as Classic fM ) is one of the United Kingdom 's three Independent National Radio stations . The station broadcasts classical music . Classic FM was the first national classical music station to have been launched since the opening of BBC Radio 3 , 25 years earlier , in September 1967 , and 46 years since the opening of Radio 3 's predecessor , The Third Programme , in September 1946 .
Pirate FM is one of the Independent Local Radio stations for Cornwall , playing a range of music from the 1960s to the present day . The station is based at the UKRD Group headquarters in Redruth .
Radio Cornwall is one of two radio stations to have broadcast programmes in the Cornish language . Currently a five-minute news show , An Nowodhow , is broadcast every Sunday . When Radio Cornwall was first set up Cornish language content was limited to around 2 minutes per week . In 1987 , a new weekly 15-minute-long bilingual show , Kroeder Kroghan , detailing Celtic cultural events taking place in Cornwall , was introduced .
Heart South West was a regional radio station owned and operated by Global Radio as part of the Heart network . It broadcast to Devon and Cornwall from studios in Exeter . The station launched on Friday 27 August 2010 under the name 'Heart Devon ' , as a result of a merger between Heart Exeter and Heart Torbay ( formerly Gemini FM ) , Heart Plymouth ( formerly Plymouth Sound ) , Heart North Devon ( formerly Lantern Radio ) and Heart South Devon ( formerly South Hams Radio ) . On Monday 7 May 2012 , the station merged again with Atlantic FM in Cornwall .