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Midhurst transmitting station

{{Short description|Radio and TV transmission site in West Sussex, England}}

{{Use dmy dates|date=October 2020}}

{{Infobox UK transmitter

|name = Midhurst

|image =

|map_name = West Sussex

|map_caption = Location in West Sussex

|map_label = Midhurst

|coordinates = {{coord|51.017222|-0.701111|type:landmark_region:GB|display=inline,title}}

|height = {{convert|117.7|m|ft|0}}

|gridref= SU912250

|built = 1972

|BBC = BBC South

|ITV = ITV Meridian (South)

}}

The Midhurst transmitting station is a facility for both analogue and digital VHF/FM radio and UHF television transmission, {{convert|3.1|mi|km}} northeast of Midhurst, West Sussex, England. The station broadcasts to much of the northern half of West Sussex, and to small parts of Surrey and Hampshire. This includes towns such as Horsham, Midhurst, Haslemere, Godalming, Petersfield, Steyning, and Bordon.

It includes a guyed steel lattice mast, and on top of this is the UHF television transmitting antenna, which brings the overall height of the structure to {{convert|117.7|m|ft|0}}.

The transmission site is located at 51° 01' 2.0″ North, 0° 42' 4.0" West{{cite web | url= http://www.flashearth.com/?lat=51.017092&lon=-0.701204&z=17.5&r=0&src=msa | title = Flash Earth | access-date = 2012-02-22 }} (National Grid Reference: SU912250{{cite web | url=http://www.bbc.co.uk/reception/transmitters/tv/tv_midhurst.shtml | title = BBC - TV Transmitters | access-date = 2012-02-22 }}).

The current mast has an average height of 307 metres above sea level. It is now owned and operated by Arqiva, but was owned by the BBC before they privatised their transmission department prior to 1997.

Services listed by frequency

=Analogue radio (FM VHF)=

class="wikitable sortable"

!Frequency

!kW

!Service

106.6 MHz

|0.4

|Greatest Hits Radio West Sussex

=Digital radio (DAB)=

class="wikitable sortable"

!Frequency

!Block

!kW

!Operator

222.064 MHz

|11D

|1.0

|Digital One

225.648 MHz

|12B

|6.3

|BBC National DAB

=Television=

==Analogue==

===1972 – 1983===

class="wikitable sortable"

!{{no2}}Frequency

!{{no2}}UHF

!{{no2}}kW

!{{no2}}Service

{{UK System I|ch=55}}

|55

|100

|BBC2 South

{{UK System I|ch=58}}

|58

|100

|Southern (TVS from Jan 1982)

{{UK System I|ch=61}}

|61

|100

|BBC1 South

===1983 – 31 December 1992===

class="wikitable sortable"

!{{no2}}Frequency

!{{no2}}UHF

!{{no2}}kW

!{{no2}}Service

{{UK System I|ch=55}}

|55

|100

|BBC2 South

{{UK System I|ch=58}}

|58

|100

|TVS

{{UK System I|ch=61}}

|61

|100

|BBC1 South

{{UK System I|ch=68}}

|68

|100

|Channel 4

===1 January 1993 – 14 November 1998===

class="wikitable sortable"

!{{no2}}Frequency

!{{no2}}UHF

!{{no2}}kW

!{{no2}}Service

{{UK System I|ch=55}}

|55

|100

|BBC2 South

{{UK System I|ch=58}}

|58

|100

|Meridian

{{UK System I|ch=61}}

|61

|100

|BBC1 South

{{UK System I|ch=68}}

|68

|100

|Channel 4

==Analogue and digital==

===15 November 1998 – 28 February 2012===

Digital terrestrial television was first transmitted from the Midhurst mast from 15 November 1998 using the frequency gaps between the analogue TV broadcasts. To limit interference to the analogue transmissions, power output on the digital multiplexes was low.

class="wikitable sortable"

!{{no2}}Frequency

!{{no2}}UHF

!{{no2}}kW

!{{no2}}Operator

!{{no2}}System

{{UK System I|ch=55}}

|55

|100

|BBC2 South

|PAL System I

{{UK DVB-T|ch=56|off=pos}}

|56+

|2

|BBC (Mux 1)

|DVB-T

{{UK System I|ch=58}}

|58

|100

|Meridian

|PAL System I

{{UK DVB-T|ch=59|off=pos}}

|59+

|2

|BBC (Mux B)

|DVB-T

{{UK DVB-T|ch=60}}

|60

|1

|Arqiva (Mux D)

|DVB-T

{{UK System I|ch=61}}

|61

|100

|BBC1 South

|PAL System I

{{UK DVB-T|ch=62|off=pos}}

|62+

|2

|SDN (Mux A)

|DVB-T

{{UK DVB-T|ch=64|off=neg}}

|64-

|1

|Arqiva (Mux C)

|DVB-T

{{UK DVB-T|ch=65|off=pos}}

|65+

|2

|Digital 3&4 (Mux 2)

|DVB-T

{{UK System I|ch=68}}

|68

|100

|Channel 4

|PAL System I

===29 February 2012 to 13 March 2012===

On 29 February 2012, Midhurst started DSO with analogue BBC2 ceasing transmission on UHF 55 and Mux 1 closed on UHF 56.{{cite web | url = http://www.digitaluk.co.uk/when_do_i_switch/meridian/midhurst | title = Digital UK - Midhurst | access-date = 2012-02-22 | url-status = dead | archive-url = https://web.archive.org/web/20120510111741/http://www.digitaluk.co.uk/when_do_i_switch/meridian/midhurst | archive-date = 10 May 2012}} The new BBC A multiplex started on UHF 55 from the start.

class="wikitable sortable"

!{{no2}}Frequency

!{{no2}}UHF

!{{no2}}kW

!{{no2}}Operator

!{{no2}}System

{{UK DVB-T|ch=55}}

|55

|20

|BBC A

|DVB-T

{{UK System I|ch=58}}

|58

|100

|Meridian

|PAL System I

{{UK DVB-T|ch=59|off=pos}}

|59+

|2

|BBC (Mux B)

|DVB-T

{{UK DVB-T|ch=60}}

|60

|1

|Arqiva (Mux D)

|DVB-T

{{UK System I|ch=61}}

|61

|100

|BBC1 South

|PAL System I

{{UK DVB-T|ch=62|off=pos}}

|62+

|2

|SDN (Mux A)

|DVB-T

{{UK DVB-T|ch=64|off=neg}}

|64-

|1

|Arqiva (Mux C)

|DVB-T

{{UK DVB-T|ch=65|off=pos}}

|65+

|2

|Digital 3&4 (Mux 2)

|DVB-T

{{UK System I|ch=68}}

|68

|100

|Channel 4

|PAL System I

==Digital==

===14 March 2012 to 2 October 2012 ===

Following the completion of analogue TV shutdown on 14 March 2012,{{cite web |title=West Sussex's Midhurst transmitter gets ready for final stage of the Digital Switchover |url=https://www.a516digital.com/2012/03/west-sussexs-midhurst-transmitter-gets.html |website=a516digital |access-date= 2019-11-26}} Midhurst frequency allocation was.

class="wikitable sortable"

!{{no2}}Frequency

!{{no2}}UHF

!{{no2}}kW

!{{no2}}Operator

!{{no2}}System

{{UK DVB-T|ch=50}}

|50

|10 (1 kW untul 25 April 2012)

|Arqiva B

|DVB-T

{{UK DVB-T|ch=55}}

|55

|20

|BBC A

|DVB-T

{{UK DVB-T|ch=58}}

|58

|20

|BBC B

|DVB-T2

{{UK DVB-T|ch=59}}

|59

|10

|Arqiva A

|DVB-T

{{UK DVB-T|ch=61}}

|61

|20

|Digital 3&4

|DVB-T

{{UK DVB-T|ch=62}}

|62

|10

|SDN

|DVB-T

===3 October 2012 to 20 March 2018===

Due to the clearance of the 800 MHz band, Digital 3&4 was moved from UHF 61 to UHF 56 and SDN from UHF 62 to UHF 54.{{cite web |title=West Sussex: Countdown to the first 4G clearance retune |url=https://www.a516digital.com/2012/09/west-sussex-countdown-to-first-4g.html |website=a516digital |access-date= 2019-11-26}}

class="wikitable sortable"

!{{no2}}Frequency

!{{no2}}UHF

!{{no2}}kW

!{{no2}}Operator

!{{no2}}System

{{UK DVB-T|ch=50}}

|50

|10

|Arqiva B

|DVB-T

{{UK DVB-T|ch=54}}

|54

|10

|SDN

|DVB-T

{{UK DVB-T|ch=55}}

|55

|20

|BBC A

|DVB-T

{{UK DVB-T|ch=56}}

|56

|20

|Digital 3&4

|DVB-T

{{UK DVB-T|ch=58}}

|58

|20

|BBC B

|DVB-T2

{{UK DVB-T|ch=59}}

|59

|10

|Arqiva A

|DVB-T

===21 March 2018 to 15 October 2019===

Due to the clearance of the 700 MHz band,{{cite web |title=Freeview changes - Southern England - 21st March 2018 |url=https://www.a516digital.com/2018/03/freeview-changes-southern-england-21st.html |website=a516digital |access-date= 2019-11-26}} SDN was moved from UHF 54 to UHF 29, this allowed Digital 3&4 to move from UHF 56 to UHF 54 (this was a "Transitional" frequency for 700MHZ clearance purposes), BBC A from UHF 55 to UHF 48 and Arqiva B from UHF 50 to UHF 33.

class="wikitable sortable"

!{{no2}}Frequency

!{{no2}}UHF

!{{no2}}kW

!{{no2}}Operator

!{{no2}}System

{{UK DVB-T|ch=29}}

|29

|10

|SDN

|DVB-T

{{UK DVB-T|ch=33}}

|33

|10

|Arqiva B

|DVB-T

{{UK DVB-T|ch=48}}

|48

|20

|BBC A

|DVB-T

{{UK DVB-T|ch=54}}

|54

|20

|Digital 3&4

|DVB-T

{{UK DVB-T|ch=58}}

|58

|20

|BBC B

|DVB-T2

{{UK DVB-T|ch=59}}

|59

|10

|Arqiva A

|DVB-T

===16 October 2019 to present===

Midhurst completed 700 MHz clearance on 16 October 2019 when the following frequencies came into use.{{cite web |title=Freeview signal changes reach SE England |url=https://www.rxtvlog.com/2019/10/freeview-signal-changes-reach-se-england.html |website=rxtvlog |access-date= 2019-11-26}}{{dead link|date=December 2024|bot=medic}}{{cbignore|bot=medic}}

class="wikitable sortable"

!Frequency

!UHF

!kW

!Operator

!System

{{UK DVB-T|ch=29}}

|29

|10

|SDN

|DVB-T

{{UK DVB-T|ch=33}}

|33

|10

|Arqiva B

|DVB-T

{{UK DVB-T|ch=34}}

|34

|10

|Arqiva A

|DVB-T

{{UK DVB-T|ch=35}}

|35

|20

|Digital 3&4

|DVB-T

{{UK DVB-T|ch=36}}

|36

|20

|BBC B

|DVB-T2

{{UK DVB-T|ch=48}}

|48

|20

|BBC A

|DVB-T

See also

References

{{reflist}}

External links

  • [http://tx.mb21.co.uk/gallery/gallerypage.php?txid=845 MB21 Transmission Gallery]
  • [https://web.archive.org/web/20120510111741/http://www.digitaluk.co.uk/when_do_i_switch/meridian/midhurst Digital UK - Midhurst]
  • [http://www.digitaluk.co.uk/transmitternetwork/tools__and__resources/almanac/pdfs/DSOTx_Meridian_Jan12v3.0.pdf Ofcom 'Digital Switchover Transmitter Details - Meridian Region']
  • [http://www.thebigtower.com/live/Midhurst/Index.htm Midhurst Transmitter at thebigtower.com]

{{Television transmitters in the UK}}

Category:Transmitter sites in England