63 STAT.] IMULTILATERAL-TELECOlMMUNICATION-OCT. 2, 1947 (Chapter I, art. 1 RR) (1-.) RADIO REGULATIONS' \ annexed to International Telecommunication Convention (Atlantic City, 1947) CHAPTER I ARTICLE 1 Definitions Preamble 1 The following definitions have been formulated in view of the Regulations annexed to the Convention and of the operation of the respective services; these definitions are not necessarily applicable to other purposes. Section I. General Terms 2 Telecommunication: Any transmission, emission or reception of signs, signals, writing, images and sounds or intelligence of any nature by wire, radio, visual or other elec- tromagnetic systems. 3 General Network of Telecommunication Channels: The whole of the existing telecommunication channels open to public correspondence, with the exception of the telecom- munication channels of the mobile service. 4 Radiocommunication: Any telecommunication by means of Hertzian waves. 5 Hertzian Waves: Electromagnetic waves of frequen- cies between 10 kc/s and 3 000 000 Mc/s. ' For table of contents, see port, p. 2167. 1581
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