63 STAT.] MULTILATERAILTELECOIIUNICATI()NS-OCT. 2 , 1947 1671 (Chapter III, art. 5 RR) (173-181) Allocation to Services Frequency Band and (Bandwidth) Regional Mc/s World-Wide Region 1 Region 2 Region 3 29-7-88 68-70 54-72 6870 (cont'd) (2) (cont'd) (2) Aero- Aero- nautical nautical radio- radio- (cont'd) ") navigation (cont'd) 7) navigation 173 "'In the U.S .S .R. , the band 29 7-30 Mc/s is allocated additionally for the aeronautical mobile service. 174 "' In Australia, the band 29 *7-31 7 Mc/s is allocated for the aeronautical radionavigation service. 175 ") In the U.S .S .R., the band 30-31-7 Mc/s is allocated for the radionaviga- tion service. 176 ' 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 opera- tion of industrial, scientific and medical equipment. 177 "' In Region 1, the aeronautical radionavigation service may be accom- modated 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 "' In the Union of South Africa, the territory under mandate of South- west 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 " 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 "' 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 "' In China, the bands 68-72 Mc/s and 76-88 Mc/s are allocated for the broadcasting, fixed and mobile services.
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