View source for Redruth transmitting station

{{Short description|Transmitter station in Cornwall, England}}
{{Use dmy dates|date=July 2019}}
{{Use British English|date=July 2019}}
There are three '''Redruth transmitting stations''':

==Redruth (Four Lanes)==
{{Infobox UK Transmitter |
|name = Redruth (Four Lanes)
|image = 
|map_name = Cornwall
|coordinates = {{coord|50.209722|-5.238611|type:landmark_region:GB|display=inline,title}}
|height = {{convert|173|m|ft|0}}
|built = 1964
|demolished = 
|collapsed = 
|BBC = [[BBC South West]]
|ITV = [[ITV West Country]]
}}

[[File:Four Lanes Transmitter (Redruth).jpg|thumb| The Redruth/Four Lanes Transmitter.]]

A [[broadcasting]] and [[telecommunications]] facility in west [[Cornwall]] ({{gbmapping|SW690395}}, {{coord|50|12|35|N|5|14|19|W|type:landmark}}). It includes a {{convert|152.4|m|ft}} high [[Radio masts and towers#Steel lattice|guyed steel lattice mast]] with square cross section, which is surmounted by the [[television]] transmitting [[Antenna (radio)|antennas]], bringing the overall height of the structure to {{convert|173|m|ft|0}}.<ref>{{ cite web|url=http://publicaccess.kerrier.gov.uk/publicaccess/tdc/DcApplication/application_detailview.aspx?keyval=JP0M53IT15000&searchtype=PROPERTY&module=P3|title=Kerrier District Council planning application|date=2007-09-27}}{{dead link|date=April 2018 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> It is owned and operated by [[Arqiva]]. It transmits [[Digital Video Broadcasting|DVB]] television, [[FM radio]] and [[DAB radio]] (and previously, [[UHF]] [[Analog television|Analogue]] television signals). It is sometimes referred to as [[Four Lanes]], because of the proximity of the mast to neighbouring village of the same name. The main mast is lit with four bright red [[aircraft warning lights]], a statutory requirement of the [[Civil Aviation Authority of the United Kingdom|Civil Aviation Authority]].

This transmitter provides coverage to West Cornwall and the [[Isles of Scilly]].

==Redruth (Lanner)==
A [[broadcasting]] [[transmitter]] at [[Lanner, Cornwall|Lanner Hill]] ({{gbmapping|SW709403}}, {{coord|50|13|4|N|5|12|45|W|type:landmark}}). It transmits [[mediumwave]] radio signals. It was built in 1942 by [[Germany|German]] [[POWs]]. It is sometimes referred to as ''Redruth MF'', short for Redruth Medium Frequency ([[Medium Wave]]). It is owned and run by [[Arqiva]].

==Redruth (Carnmenellis)==
A [[microwave]] transmitting tower located on the hill, [[Carnmenellis]], {{convert|2|mi|km}} south of [[Redruth]]. It is owned and run by [[BT Group|BT]].

==Services available==

===Analogue radio (MW)===

==== Current ====
{| class="wikitable sortable"
!Frequency
!kW<ref name=":0">Radio Listeners Guide 2010</ref>
!Service
|-
|909&nbsp;kHz
|2
|[[BBC Radio 5 Live]]
|}

==== Former ====
{| class="wikitable sortable"
!Frequency
!kW<ref name=":0" />
!Previous service
!Switch off date
|-
|630 kHz
|2<ref>{{Cite web |title=mb21 - Transmitter Information - Radio Cornwall |url=https://tx.mb21.co.uk/mapsys/map-station.php?mapid=33 |access-date=2024-05-02 |website=tx.mb21.co.uk}}</ref>
|[[BBC Radio Cornwall]]
|2 March 2020
|-
|756&nbsp;kHz<ref>{{Cite AV media |url=https://www.youtube.com/watch?v=-z3kYvzXfEs |title=BBC Radio 4 ‘AM retune loop’ - 15/04/2024 |language=en |access-date=2024-04-15 |via=www.youtube.com}}</ref><ref>{{Cite web |date=2024-03-21 |title=Date set for the closure of BBC Radio 4 medium wave frequencies |url=https://radiotoday.co.uk/2024/03/date-set-for-the-closure-of-bbc-radio-4-medium-wave-frequencies/ |access-date=2024-03-28 |website=RadioToday |language=en-GB}}</ref>
|2
|[[BBC Radio 4]]
|15 April 2024
|-
|1089&nbsp;kHz 
|2
|[[Talksport]]
|10 February 2020
|-
|1215&nbsp;kHz
|2
|[[Absolute Radio]]
|5 June 2018
|}

===Analogue radio (FM/VHF)===
{| class="wikitable sortable"
!Frequency
!kW
!Service
|-
|89.7 [[MHz]]
|25
|[[BBC Radio 2]]
|-
|91.9&nbsp;MHz
|25
|[[BBC Radio 3]]
|-
|94.1&nbsp;MHz
|25
|[[BBC Radio 4]]
|-
|99.3&nbsp;MHz
|25
|[[BBC Radio 1]]
|-
|101.5&nbsp;MHz
|2 (H)<br>8 (V)
|[[Classic FM (UK)|Classic FM]]
|-
|102.8&nbsp;MHz
|10.8
|[[Greatest Hits Radio]]
|-
|103.9&nbsp;MHz
|18
|[[BBC Radio Cornwall]]
|-
|107.0&nbsp;MHz
|10.69
|[[Heart West]]
|}

===Digital radio (DAB)===
{| class="wikitable sortable"
!Frequency
!Block
!kW
!Operator
|-
|218.640&nbsp;MHz
|11B
|0.65
|[[NOW Cornwall]]
|-
|222.064&nbsp;MHz
|11D
|1.5
|[[Digital One]]
|-
|225.648&nbsp;MHz
|12B
|2
|[[BBC National DAB]]
|}

{{col-start}}
{{col-2}}

===Digital television===
{| class="wikitable sortable"
!Frequency
!UHF
!kW<ref>Television Viewers Guide 2009</ref>
!Operator
!System
|-
|{{UK DVB-T|ch=32}}
|32
|10
|[[Arqiva]] B
|[[DVB-T]]
|-
|{{UK DVB-T|ch=33}}
|33
|10
|Arqiva A
|DVB-T
|-
|{{UK DVB-T|ch=41|off=pos}}
|41+
|20
|[[Digital 3&4]]
|DVB-T
|-
|{{UK DVB-T|ch=44|off=pos}}
|44+
|20
|[[BBC]] A
|DVB-T
|-
|{{UK DVB-T|ch=47}}
|47
|20
|BBC B
|[[DVB-T2]]
|-
|{{UK DVB-T|ch=48}}
|48
|10
|[[S4C Digital Networks|SDN]]
|DVB-T
|}

{{col-2}}

====Before switchover====
{| class="wikitable sortable"
!{{no2}}Frequency
!{{no2}}UHF
!{{no2}}kW
!{{no2}}Operator
|-
|{{UK DVB-T|ch=39}}
|39
|1.6
|[[BBC]] (Mux 1)
|-
|{{UK DVB-T|ch=42|off=pos}}
|42+
|1.6
|[[Digital 3&4]] (Mux 2)
|-
|{{UK DVB-T|ch=43|off=pos}}
|43+
|1.6
|[[Arqiva]] (Mux C)
|-
|{{UK DVB-T|ch=45|off=pos}}
|45+
|1.6
|[[S4C Digital Networks|SDN]] (Mux A)
|-
|{{UK DVB-T|ch=49|off=neg}}
|49-
|1.6
|BBC (Mux B)
|-
|{{UK DVB-T|ch=50|off=neg}}
|50-
|2.2
|Arqiva (Mux D)
|}

{{col-end}}

===Analogue television===
Analogue television is no longer transmitted from Redruth. BBC Two was closed on 8 July 2009 and the remaining four services on 5 August.

{| class="wikitable sortable"
!{{no2}}Frequency
!{{no2}}UHF
!{{no2}}kW
!{{no2}}Service
|-
|{{UK System I|ch=37}}
|37
|3
|[[Channel 5 (British TV channel)|Channel 5]]
|-
|{{UK System I|ch=41}}
|41
|100
|[[ITV Westcountry|Westcountry]]
|-
|{{UK System I|ch=44}}
|44
|100
|[[BBC Two|BBC2 South West]]
|-
|{{UK System I|ch=47}}
|47
|100
|[[Channel 4]]
|-
|{{UK System I|ch=51}}
|51
|100
|[[BBC One|BBC1 South West]]
|}

==See also==
{{Portal|Cornwall}}
*[[List of radio stations in the United Kingdom]]
*[[List of tallest structures in the United Kingdom]]
*[[List of tallest structures in the world]]
*[[Caradon Hill transmitting station]]

==References==
{{Reflist}}

==External links==
*[https://tx.mb21.co.uk/gallery/gallerypage.php?txid=210 Redruth transmitting station at The Transmission Gallery]
*[https://www.thebigtower.com/live/Redruth/Index.htm Redruth transmitting station at TheBigTower]

{{Television transmitters in the UK}}
{{Redruth VHF 405-line Transmitter Group}}

[[Category:Buildings and structures in Cornwall]]
[[Category:Mass media in Cornwall]]
[[Category:Transmitter sites in England]]
[[Category:Forced labour during World War II]]
[[Category:Redruth]]