Page:United States Statutes at Large Volume 63 Part 2.djvu/350

 63 STAT.] MULTILATERAL-TELECOMMUNICATIONS-OCT. 2, 1947 (Chapter 111, art. 5 RR) (154-155) Allocation to Services Frequency Band and (Bandwidth) Regional kc/ World-Wide Region 1n RegionRegi 3 4000-4063 Fixed (63) 4 063-4 438 Maritime (375) '0) mobile e) 4438-4 650 Fixed a) Fixed a) Fixed (212) b) Mobile b) Mobile except aero- except aero- nautical nautical mobile(obile(R) mobile 4 650-4 700 Aero- (50) nautical mobile (R) u) 4 700-4 750 Aero- (60) nautical mobile (OR) a) 154 "' In the U.S .S.R., in the bands 4 063-4 133 kc/s and 4 408-4 438 kc/s, fixed stations of limited power may operate provided that, in order to minimise the possibility of causing harmful interference to the maritime mobile service, they are situated at least 600 km from the coast. A limited power station is one whose power and antenna characteristics are so adjusted that the field strength established at any point in any direction does not exceed that obtainable with a non-directive antenna and a peak power of 1 kilowatt. 155 ' In addition to the provisions of 154, the band 4 063-4 438 kc/s may be used, exceptionally and on the essential condition that harmful interference is not caused to the maritime mobile service, by fixed stations of mean power not exceeding 50 watts communicating only within the national boundaries of the countries concerned. At the time of notification of these cases the attention of the International Frequency Registration Board is drawn to the above con- dition. 1647

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