Page:United States Statutes at Large Volume 54 Part 2.djvu/1294

 54 STAT.] INTER-AMERICAN-RADIO COMMUNICATIONS-DEC. 13, 1937 2515 SECTION 2. TABLES OF ALLOCATION. TABLE I FREQUENCY ALLOCATION FOR VARIOUS SERVICES IN THE AMERICAN CONTINENT 10-550 Kc/s. 10-100 Fixed. 100-110 (a) Fixed. (b) Mobile. 110-125 Mobile. 125-150 Maritime mobile (open to public correspondence exclusively). 150-160 Mobile. 160-200 (a) Fixed. (b) Mobile (c) Aeronautical. 200-285 Aeronautical and mobile excepting commercial ship stations. 285-315 Radio beacon, Maritime priority. 315-320 Aeronautical. 320-325 (a) Aeronautical. (b) Mobile not open to public correspondence. 325-345 Aeronautical. 345-365 (a) Aeronautical. (b) Mobile not open to public correspondence. 365-385 (a) Radio direction finding. (b) Mobile, provided it does not inter- fere with the radio direction finding. Coast station using B waves excluded. 385-400 Mobile and aeronautical, Maritime priority, it being understood that the priority refers to existing services. 400-460 Mobile. 460-485 Mobile A-1 and A-2 only. 485-515 Mobile (distress, calling, etc.) 515-550 Services not open to public correspondence A-i and A-2 only. Note: 1. The band of frequencies between 200 and 400 Kc/s. is reserved in the Ameri- cas for aids to air navigation and for the transmission of weather and other safety information to aircraft in flight, subject only to existing priorities of marine services within this band. 2. When due to adverse atmospheric conditions or other technical reasons it is not possible to employ frequencies between 200 and 400 Kc/s for the services above mentioned, other suitable frequencies may be utilized provided that all the countries of America are advised of the frequencies selected. TABLE II ALLOCATION or FBEQUENCIES, 550 -1600 Kc/s. 660-1600 Kc/s Broadcasting.

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