Page:United States Statutes at Large Volume 63 Part 2.djvu/532

 63 STAT.] MULTILATERAI-TELECOMM1CNIATIONS-OCT. 2, 1947 1829 (Chapter XIII, art. 29 RR) (613-21) the first request of the said coast station or aeronautical station. 613 b) In the case where radliocommunication already in progress between mobile station is isinter- fered with by the emissions of another mobile station, this station must cease sending at the first request of one of the other stations. 614 c) The station which requests this cessation must intlicat:l ti(! al)l)roximrate waiting time imposed on the station whose emission it suspends. 615 Section III. Calls, Reply to (Chlls and Signals l'reparatory to Tralic 616 §7. AlMthod of Callinq. 617 (1) The call is made as follows: - call sign of the station called, not more than three times; - the word DE; - call sign of the calling station, not more than three times. 618 (2) However, in the blands of frequencies between 4 000 and( 23 000 k(/s, when the conditions of establishing contact are dillicull, the call signs may be transmitted more than three times, but not more than eight times. 619 §8. 'Frcquencyto bc Used for Calling and for Prepara- tory Signals. 620 (1) For making the call and for transmitting prepara- tory signals, the calling station uses the frequency on which the station called keeps watch. 621 (2) A ship station calling a coast station in any of the frequency bands allocated to the maritime mobile service be- tween 4 000 and 23 000 kc/s must use a frequency in the calling band specially reserved for this purpose.

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