1950_RADIOCOMMUNICATION_REGULATIONS — Page 6

Telecommunication.

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system or process of electric signalling or visual signalling or by means of pneumatic tubes;

"Telecommunication Convention" means the Convention G.N.A. 75/51,

signed at Atlantic City on the 2nd day of October, 1947, and the Regulations made thereunder and includes any Convention and Regulations which may from time to time be in force in substitution therefor or in amend- ment thereof. "telegram" includes also "radiotelegram," except when the

text expressly precludes such a meaning;

"telegraph" means an electric, galvanic or magnetic telegraph, and includes appliances and apparatus for transmitting, receiving or making telecommunication, but does not include electric appliances and apparatus, other than radio, the operation and scope of which is limited to communication concerning the affairs of the sender or receiver thereof and confined to a single messuage or tenement or works area;

"telegraphy" means telecommunication by any system of

telegraph signalling;

"telephone broadcasting service" means a service carrying out the broadcasting of radiotelephone emissions speci- fically intended to be received by the public in general; "telephone broadcasting station” means a station performing

a telephone broadcasting service;

"telephone circuit" means an electrical connexion permitting the establishment of telephone communication in both directions between two telephone exchanges;

"telephone exchange" means an installation permitting the

establishment of telephone calls;

"telephony" means telecommunication by any system of

telephone signalling;

"terminal exchanges" means exchanges connected directly

by an international circuit;

"transit call" means a telephone call established by means

of more than one international telephone circuit; "unit charge in a particular international service" means the charge proper to an ordinary call of three minutes duration exchanged during the period of heavy traffic; “visual broadcasting service" means a service carrying out the broadcasting of visual images, fixed or moving, specifically intended to be received by the public in general;

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