64STAT.] MULTILATERAL-TELECOMMUNICATION-APR . 8 , 1938 61.29 m)-may be used by the broadcasting services concurrently with the fixed and mobile services, subject to the same conditions as those appearing in paragraphs (a) and (b) of 1 above [Nos. 142 and 143]. [145] 3. In the region of South America situated north of parallel 5° S., the band of 4,770 to 4,900 kc (62.89 -61.22 m)-usable channels 4,775-4,895 kc (62.83 -61.29 m)-may be used by the broadcasting services concurrently with the fixed and mobile services, subject to the same conditions as those appearing in paragraphs (a) and (b) of 1 above [Nos. 142 and 143]. [146] III. VARIOUS PROVISIONS APPLYING TO BROADCASTING IN TROPI- CAL REGIONS [147] 1. The interested administrations undertake to collaborate with a view to making broadcasting as efficient as possible in the three bands of 2,300-2,500 kc (130.4 -120 m), 3,300-3,500 kc (90.91-85.71 m), and 4,835-4,965 kc (62.05-60.42 m). [148] 2. With respect to the provisions relating to broadcasting in tropical regions, the administrations concerned, in the zone located between the meridian of 50° E. and the meridian of 140° W., going east, on the one hand, and between parallel 30° N. and that of 30° S., on the other hand (excluding the Hawaiian Islands), shall consult each other regarding the power and the frequency to be used in con- structing new broadcasting stations using power in excess of 1 kw. [149] §9. Allocation of Frequenciesfor Aeronautical Services Between 6,000 and 25,000 kc (50-12 m) [150] (a) In the European region, in the U. S. S . R ., in Africa, and in South America, the following bands shall be assigned exclusively to the aeronautical services: 6,500-6,600 kc (46.15-45.45 m) 8,480-8,580 kc (35.38-34.97 m) 11,300-11,400 kc (26.55-26.32 m) 12,770-12,830 kc (23.49-23.38 m) 17,250-17,375 kc (17.39-17.27 m) 23,200-23,380 kc (12.93-12.83 m) [151] (b) General allocation of frequencies for intercontinental aero- nautical routes. [152] The following frequencies (wavelengths) shall be reserved, on ateroontinenta a universal basis, for intercontinental aeronautical routes: 1 2 3 Aeronauticalfr and subdivision by routes Frequency assignments to each quency band Bronte ko (m) 6,500-6,600 kc 6,500-6,520 kc (46.15-45.45 m) (46.15 -46 .01 m) Route: Europe-Africa 6,503 (46.13) 6,510 (46.08), __. _6,517 (46.03) 1459
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