30.—(1) A station on board any ship in the waters of Singapore shall be operated in such manner as not to interfere with —
(a)
any Armed Forces Communication; or
(b)
the efficient and convenient working of a Government or of any licensed station or network in Singapore.
(2) A station on board any ship shall cease operation as soon as the crew of the ship observes, or when the crew has been informed by the Authority that the working of the ship station causes interference to radio-communication.