Spectrum & Frequency Management

Information Relating to Spectrum & Frequency Management

Surveillance (Including SSR) Policy, Regulation, Legislation & Allocation. National IFF/SSR Committee & S&SWG Secretariat. Chairman of CAA Mode S Working Group. Spectrum & frequency management for the aeronautical frequency bands. Comms & Navaids. UK aviation representative FM study group. ICAO ACP International Telecommunications Union (ITU), IFF/SSR Frequency Approvals. Spectrum & frequency management, planning frequency bands for civil & military. Liaison with HM Government, Department of Trade & Industry, DfT, MOD & special organisations on IFF/SSR, frequency management, regulation & protection.

As part of Government plans to release a proportion of public sector spectrum by 2020 for commercial use, such as for mobile broadband, the UK Civil Aviation Authority (CAA) has been tasked with assessing the possibility of safely reducing the aviation industry’s reliance on the bandwidth reserved for air traffic control radar. A major research programme will look at the feasibility of releasing 100MHz of the 2.7GHz–2.9GHz band currently being used for civil and military primary surveillance radars.

Read more about our work on the Spectrum Release Programme

We provide the focal point and Secretariat to the Cabinet Office sponsored National IFF/SSR Committee (NISC) which is responsible for the policy, operation and licensing of IFF/SSR interrogators in the UK, including ACAS I collision warning systems. 

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CAA also provides the focal point for the implementation of Mode S SSR in the UK and is responsible for the management of the UK SSR code allocation plan.

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Following public consultation, the revised transponder carriage requirements came into effect on 1 January 2010 with the publication of the Air Navigation Order 2009.

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Forms and Documents relating to Spectrum & Frequency Management.

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