Chapter III.
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Chap. III, art. 5 RR)(173–181) Frequency Band and (Bandwidth) Mc/s Allocation to Services World-Wide Regional Region 1 Region 2 Region 3 173 59) In the U.S.S.R.. the band 29•7–30 Mc/s is allocated additionally for the aeronautical mobile service. 174 60) In Australia, the band 29•7–31 • 7 Mc/s is allocated for the aeronautical radionavigation service. 175 61) In the U.S.S.R., the band 30–31 • 7 Mc/s is allocated for the radionavigation service. 176 62) The frequency 40–68 Mc/s is designated for industrial, scientific and medical purposes.
Emissions must be confined within the limits of ±0.05% of that frequency. Radiocommunication services operating within those limits must accept any harmful interference that may be experienced from the operation of industrial, scientific and medical equipment. 177 63) In Region 1, the aeronautical radionavigation service may be accommodated in the band 31•7–41 Mc/s. The operation of standard beam approach equipment, as described in 258, is to be protected by special arrangement. 178 64) In the Union of South Africa, the territory under mandate of Southwest Africa, Northern Rhodesia and Southern Rhodesia, the band 41–44 Mc/s is allocated for the aeronautical radionavigation, fixed and mobile services; the bands 44–50 Mc/s and 54–68 Mc/s are allocated for the fixed and mobile services in addition to the broadcasting service, the band 50–54 Mc/s being used exclusively for the amateur service. 179 65) In the United Kingdom, the band 66•5–68 Mc/s may be used for the fixed and land mobile services under local arrangement with France in order to avoid mutual harmful interference. 180 66) In the U.S.S.R., the band 68–72 Mc/s is allocated for the broadcasting service.
The aeronautical radionavigation service in other countries and the broadcasting service in the U.S.S.R. are subject to local arrangement in order to avoid mutual harmful interference. 181 67) In China, the bands 68–72 Mc/s and 76–88 Mc/s are allocated for the broadcasting, fixed and mobile services. 29,7–88 (cont’d) (cont’d) 68–70
(2)Aeronatical radionavigation 68) 54–72 (cont’d) (cont’d) 68–70
(2)Aeronautical radionavigation 67) 63 Stat. 1672 (182–186)(
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