47 (c) approve⎯ (i) the mode of transmission to be used in connection with all radio transmitting stations and the power to be radiated therefrom; and (ii) the classes, types and standards of radio transmitting stations and radio apparatus to be used in connection with different classes of radiocommunication services; and (iii) the classes, types and standards of radio receiving stations to be used in connection with diffusion services. (2) In exercising the powers conferred upon it by paragraph (b) or subparagraph (i) of paragraph (c) of subsection (1), the Authority shall have regard to the International Telecommunication Constitution. 68 Approval of Authority required for establishment and working of radio transmitting stations, etc. No person shall⎯ (a) establish a radio transmitting station which is not an aircraft, mobile or ship station or erect radio apparatus at a site which has not been approved by the Authority; or (b) work a radio transmitting station or apparatus referred to in paragraph (a) of the definition of “generating apparatus” in subsection (1) of section two on a frequency which is not a frequency allocated to the radio transmitting station or apparatus by the Authority; or (c) use in connection with a radio transmitting station a mode of transmission or cause power to be radiated therefrom which is not the mode of transmission or the radiated power approved for the radio transmitting station by the Authority; or (d) establish, erect or work in connection with a radiocommunication service a radio transmitting station or radio apparatus which is not of a class, type or standard approved by the Authority for use in connection with that class of radiocommunication service; or (e) establish, erect or work in connection with a diffusion service a radio receiving station which is not of a class, type or standard approved by the Authority; or (f) modify or extend a radio transmitting station or radio apparatus used in connection with a radiocommunication service or a radio receiving station used in connection with a diffusion service, otherwise than in a manner approved by the Authority. 69 Disposal of certain radio transmitting stations or radio apparatus to be authorised Except with the Authority’s written permission no person, other than an authorised dealer, shall sell, give, supply or transfer to another person in any manner whatsoever ownership or possession of a radio transmitting station or radio apparatus necessary for the proper working of such a station, which is not also radio apparatus necessary for the proper working of a radio receiving station.