# The Wireless Telegraphy Apparatus (Citizens' Band European Users) (Exemption) Regulations 1989, Paragraph 5


If the relevant CB station is situated within 1 km of the boundary of any aerodrome, the height of the antenna and any supporting mast or structure must not exceed 15 m.

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Source: https://www.legislation.gov.uk/uksi/1989/943/schedule/2/paragraph/5 (the official version)
Page: https://openlegislation.uk/wireless-telegraphy-apparatus-citizens-band-european-users-exemption-regulations-1989/schedule-2/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.