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RRH Brizlee Wood

Summary

Remote Radar Head Brizlee Wood (or RRH Brizlee Wood), is an air defence radar station operated by the Royal Air Force located at Brizlee Wood, near Alnwick in Northumberland, England. Originally opened as an Ace High site in the early 1960s, it now forms part of the Air Surveillance and Control System (ASACS) of the Royal Air Force.

RRH Brizlee Wood
Alnwick, Northumberland in England
A shot looking across to a small radome, on a hill, in the distance
The radome of RRH Brizlee Wood
Relief map of Northumberland, county of Northern England
Relief map of Northumberland, county of Northern England
RRH Brizlee Wood
RRH Brizlee Wood
Coordinates55°25′05″N 1°46′05″W / 55.418°N 1.768°W / 55.418; -1.768
Grid referenceNU147138
Site information
OwnerMinistry of Defence (MoD)
OperatorRoyal Air Force
Controlled byASACS
Site history
Built1960 (1960)
In use1961 (1961) – present

History edit

The site was one of the original Ace High sites dotted throughout Europe and into Asia.[1] Ace High was a NATO communication system which stretched from Norway to Turkey. Brizlee Wood was one of five sites in the United Kingdom,[note 1] and was equipped with four 130-foot (40 m) dishes.[3] The system could offer communications over a distance of 500 miles (800 km), and was run by the Royal Signals, part of the British Army.[4] In November 1990 when the Ace High network was superseded, it was confirmed the site would close in early 1991.[5][3] The site was later converted into an RAF radar facility and was equipped with a Type 93 radar.[6]

The site is located at 820 feet (250 m) above sea level and is notable from the surrounding area being known locally as "The Golf Ball".[7][8] RRH Brizlee Wood feeds information into the Control and Reporting Centre (CRC) at nearby RAF Boulmer, some 8 miles (13 km) to the east,[9] as part of the Air Surveillance and Control System (ASACS).[10][11] The single radome houses a TPS-77 radar and sits 66 feet (20 m) above the ground, though the lower 16 feet (5 m) is the access platform.[12]

In 2008, it was reported that BAE Systems had won a contract to supply new radar equipment which would combat the effects of windfarms on the radar tracking stations. The beam which is bounced back into radar stations can have a "shadow" caused by windfarms causing confused or non-existent signals.[13][14] However, by 2012, it was further reported that a £45 million deal had been struck with SERCO instead.[15] The placement of windfarms near to remote radar heads (RRH) has raised several objections by the MoD. Studies have shown that aircraft flying over windfarms appear "invisible" no matter what they are flying at, nor that distance from the RRH.[16] Several proposed windfarms in the Northumberland area have been objected to by the MoD because of suggested interference with the Air Defence (AD) radar at RRH Brizlee Wood.[17] The trialling of updated radars was successful at RRH Trimingham, so the MoD bought more of the TPS-77 radars to install at RRH Staxton Wold and Brizlee Wood. The radar installed at Brizlee Wood allowed the 48 tower windfarm at Fallago Rig to go ahead.[18]

During 2020 under Project Hydra, the radome was taken down whilst the site received an upgrade.[19] Project Hydra also upgraded the RRH stations at Benbecula and Buchan.[20] The area the base is located in recorded the strongest winds during Storm Arwen in November 2021. Wind speeds at Brizlee Wood were registered at 98 miles per hour (158 km/h). The technology at the site will be upgraded, along with other radar stations, under Project Guardian, a new £80 million air defence programme.[21]

Notes edit

  1. ^ The other four sites were at Maidstone in Kent, Stenigot in Lincolnshire, Mormond Hill near Fraserburgh and a site on the Shetland Islands.[2]

References edit

  1. ^ Cocroft & Thomas 2003, p. 140.
  2. ^ "Coldblow Ace High Relay Station – Subterranea Britannica". www.subbrit.org.uk. Retrieved 7 January 2022.
  3. ^ a b "Looking back 10, 25, 50 years ago". infoweb.newsbank.com. 29 November 2015. Retrieved 10 January 2022.
  4. ^ Laurie, Peter (1979). Beneath the city streets : a private enquiry into government preparations for national emergency. London: Panther. p. 259. ISBN 0-586-05055-8.
  5. ^ Cocroft & Thomas 2003, pp. 141–142.
  6. ^ Daniel, Brian (29 June 2013). "Our Vigilant Sentry". The Journal. J2. p. 32. ISSN 0307-3645.{{cite news}}: CS1 maint: location (link)
  7. ^ "Magic Map Application Brizlee Wood". magic.defra.gov.uk. Retrieved 7 January 2022.
  8. ^ "How the golf ball became the crazy golf ball". The Journal. No. 49, 767. 13 December 2007. p. 4. ISSN 0307-3645.
  9. ^ Hayman, Charles (2014). The Armed Forces of the United Kingdom 2014-2015. Barnsley: Pen & Sword. p. 141. ISBN 1783463511.
  10. ^ Withington, Dr Thomas (18 October 2017). "Guardian Angels". Armadainternational.com. Retrieved 8 January 2022.
  11. ^ Dobinson, Colin (2010). Building radar : forging Britain's early-warning chain, 1935-45. London: Methuen. p. 570. ISBN 0413772292.
  12. ^ "Radar platforms for the FCDO". lars.co.uk. Retrieved 7 January 2022.
  13. ^ Daniel, Brian (18 October 2008). "Turbine protesters fear deluge of bids". The Journal. p. 4. ISSN 0307-3645.
  14. ^ Linklater, Magnus (4 October 2008). "Windfarms a 'threat to national security'". TheTimes. No. 69, 237. p. 1. ISSN 0140-0460.
  15. ^ "Technology: Serco wins £45m deal to supply new radar to MoD". infoweb.newsbank.com. 14 January 2012. Retrieved 7 January 2022.
  16. ^ Blazev, Anco S. (2015). Energy security for the 21st century. Lilburn, GA: Fairmont Press. p. 509. ISBN 978-1-4987-0966-8.
  17. ^ "Wind Power". hansard.parliament.uk. Retrieved 10 January 2022.
  18. ^ Shankleman, Jessica (16 January 2012). "MoD radar breakthrough promises green light to 4GW of windfarms". The Guardian. Retrieved 10 January 2022.
  19. ^ Smith, Ian. "RAF 'golf ball' on the hill restored to Northumberland skyline after 12-month absence". Northumberland Gazette. Retrieved 8 January 2022.
  20. ^ FCDO Services Annual Report and Accounts 2020/21 (for the year ended March 2021). London: Ministry of Defence. 16 July 2021. p. 21. ISBN 978-1-5286-2685-9.
  21. ^ "Defence Secretary announces £80m Guardian to protect the skies". GOV.UK. 22 April 2018. Retrieved 11 January 2022.

Sources edit

  • Cocroft, Wayne; Thomas, Roger J C (2003). Cold war : building for nuclear confrontation 1946-1989. Swindon: English Heritage. ISBN 978-1-873592-81-6.

External links edit

  • Webpage with images of Brizlee Wood as an Ace High site

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