54 STAT.] MULTILATERAL-TELECOMMUNICATION-APR. 8 , 1938 1431 [81] The frequencies assigned by the administrations to their sta- tions must be selected in such a manner as to avoid, so far as possible, interfering with services belonging to the contracting countries and operated by existing stations of which the frequencies have been notified to the Bureau of the Union, in accordance with the provi- sions of articles 15 and 16, and of appendix 8. 1 p.t' Pp. 149 1 01, [82] §3. In the case where bands of frequencies are assigned to a spe- cific service, the stations of that service must use frequencies suffi- ciently separated from the limits of these bands so as not to produce harmful interference with the operation of stations belonging to services to which the frequency bands immediately adjoining have been assigned. [83] §4. (1) (a) The administrations concerned shall conclude agree- ments, if need be, for determining the waves to be assigned to the stations in question, as well as for laying down the conditions of use of the waves thus assigned. [84] (b) The administrations of any region may, in accordance with article 13 of the Convention, conclude regional arrange- 49 st. w0L ments regarding the allocation either of frequency bands to the services of the participating countries or of fre- quencies to stations of these countries, and concerning the conditions for the use of the waves so assigned. The provisions of §§1 and 2 [Nos. 79, 80, and 81], as well as those of Article 16, §1 (6) [Nos. 345 and 346], shall also P .P.Sr. apply to any arrangement of this nature. [85] (2) The administrations concerned shall conclude the neces- Agreements tor sary agreements to avoid interference and, when needed, shall, for ence. this purpose, in conformity with the procedure which will be agreed among them in bilateral or regional agreements, call upon organs of expert investigation or of expert investigation and conciliation. If no agreement can be reached with regard to avoiding interference, the provisions of article 15 of the Convention may be applied. sat".am. [86] (3) (a) With regard to European broadcasting and subject to any right to which the extra-European administrations might be entitled by virtue of the present Regulations, the detailed provisions below, which can be abrogated or changed by agreement among the European administra- tions and which in no way change the provisions of article 16, §1 (6) [Nos. 345 and 346], shall be brought to Pno, p. lm; an,. bear in applying the principle laid down in §1 [No. 79]. P.1429 [87J (b) Failing a preliminary agreement between the administra- tions of the European contracting countries, the right contemplated in §1 [No. 79] may not, within the limits of the European region, be used for the purpose of carry- ing on a broadcasting service outside the bands authorized by the present Regulations on frequencies below 1,560 kc (wavelengths above 192.3 m). [88] (c) An administration wishing to establish such a service or to obtain a change in the conditions laid down by a pre- vious agreement with regard to such a service (frequency, power, geographic position, et cetera) shall submit the request to the European administrations through the Bureau of the Union. Any administration which does 193470°--1-a1. n -13
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