HC Deb 18 July 1969 vol 787 c217W
Mr. Geoffrey Lloyd

asked the Postmaster-General what plans he has for substituting a single wavelength for distress signals from both ships and aircraft, in place of the present separate wavelengths.

Mr. Stonehouse

None. Frequencies for distress messages are fixed by international agreement. The choice of the frequency to be used in a particular case depends largely on the type of radio equipment carried by the ship or aircraft in distress.

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