Page:United States Statutes at Large Volume 48 Part 1.djvu/1116

 1090 73d CONGRESS. SESS. II. CH. 652 . JUNE 19, 1934 . the Commission, make the operation of such station against the Nature of license. public interest, the Commission shall issue a license to the lawful holder of said permit for the operation of said station. Said license shall conform generally to the terms of said permit. Stations liable to in. DESIGNATION OF STATIONS LIABLE TO INTERFERE WITH DISTRESS SIGNALS terfere with distress signals. Designation of. SEC. 320 . The Commission is authorized to designate from time to time radio stations the communications or signals of which, in its opinion, are liable to interfere with the transmission or reception of Requirement during distress signals of ships. Such stations are required to keep a licensed radio operator listening in on the frequencies designated for signals of distress and radio communications relating thereto during the entire period the transmitter of such station is in operation. operation. Distress signals and DISTRESS SIGNALS AND COMMUNICATIONS co mmunica tions. Transmission of; re- quirement. Adjustment of trans- mitting set. Absolute priority of. Interfering signals to cease. Intercommunication in mobile service. Requirement. Interference between Government and com- mercial stations. Division of time. SEC. 321 . (a) Every radio station on shipboard shall be equipped to transmit radio communications or signals of distress on the fre- quency speci fied b y the Commi ssion, with appar atus c apable of transmitting and receiving messages over a distance of at least one hundred miles by day or night. When sending radio communica- tions or signals of distress and radio communications relating thereto the tran smit ting set may be adju sted in such a m anne r as to prod uce a maximum of r adiation irre spective of t he amount of i nterference which may thus be caused. (b) All radio stations, including Government stations and stations on board foreign vessels when within the territorial waters of the United States, shall give absolute priority to radio communications or signals relating to ships in distress ; shall cease all sending on frequencies which will interfere with hearing a radio communication or signal of distress, and, except when engaged in answering or aiding the shi p in distress, shall refra in from sendin g any radio communications or signals until there is assurance that no interfer- ence will be caused with the radio communications or signals relating thereto, and shall assist the vessel in distress, so far as possible, by complying with its instructions. INTERCOMMUNICATION IN MOBILE S ERV ICE SEC. 322 . Every land station open to general public service between the coast and vessels at sea shall be bound to exchange radio commu- nications or signals with any ship station without distinction as to radio systems or instruments adopted by such stations, respectively, and each station on shipboard shall be bound to exchange radio com- munications or signals with any other station on shipboard without distinction as to radio systems or instruments adopted by each station. INTE RFERENCE BET WEEN GOVERN MENT AND COM MERCIAL STA TIONS SEC. 323 . (a) At all places where Government and private or com- mercial radio stations on land operate in such close proximity that interference with the work of Government stations cannot be avoided when they are operating simultaneously, such private or commercial stations as do interfere with the transmission or reception of radio communications or signals by the Government stations concerned shall not use their transmitters during the first fifteen minutes of each hour, local standard time.