Article 6 Spectrum protection

1. By 2 January 2020 at the latest the CAA shall ensure that a secondary surveillance radar transponder on board any aircraft flying over the United Kingdom is not subject to excessive interrogations that are transmitted by ground-based surveillance interrogators and which either elicit replies or whilst not eliciting a reply are of sufficient power to exceed the minimum threshold level of the receiver of the secondary surveillance radar transponder.

2. Provision repealed before document was retained.

3. By 2 January 2020 at the latest the CAA shall ensure that the use of a ground based transmitter operated in the United Kingdom does not produce harmful interference on other surveillance systems.

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