Page:United States Statutes at Large Volume 63 Part 2.djvu/288

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6( STAT.] AIULTILATE~RAILTELECOIMMUINICATI(ONS-OCT. 2 , 1947 (Chapter I. art. 1 RR) (180) 18 Radiotelegram:Telegram originating in or intended for a mobile station, transmitted on all or part of its route over the radiocommunication channels of a mobile service. Section II. Services 19 Fized Service: A service of radiocommunication be- tween specified fixed points. 20 AeronauticalFixed Service: A fixed service intended for the transmission of information relating to air navigation, preparation for and safety of flight. BroadcastingService: 21 a) A radiocommunication service of transmissions to be received directly by the general public. 22 b) This service may include transmissions of sounds or transmissions by television, facsimile or other means. 23 Mobile Service: A service of radiocommunication between mobile and land stations, or between mobile stations. 24 Maritime Mobile Service: A mobile service between ship stations and coast stations, or between ship stations. 25 Aeronautical Mobile Service: A mobile service be- tween aircraft stations and aeronautical stations, or between aircraft stations.') 26 Land Mobile Service: A mobile service between base stations and land mobile stations, or between land mobile stations. 27 Radiolocation Service: A service involving the use of radiolocation. 28 RadionavigationService: A radiolocation service in- volving the use of radionavigation. 29 Maritime Radionavigation Service: A radionaviga- tion service intended for the benefit of ships. 30 AeronauticalRadionavigationService: A radionavi- gation service intended for the benefit of aircraft. 25.1 " As regards public correspondence, ee 25& 1585