Page:United States Statutes at Large Volume 63 Part 2.djvu/306

 1603 63 STAT.] MULTILATERAL-TELECOMMUNICATIONS-OCT. 2, 1947 (Chapter II, art. 2 RR) Type of Transmission Facsimile Television Composite transmissions and cases not covered by the above Composite transmissions Absence of any modulation Telegraphy without the use of modulating audio frequency (fre- quency shift keying) Telegraphy by the keying of a modulating audio frequency or audio frequencies, or by the keying of the modulated emission (special case: an unkeyed emission modu- lated by audio frequency) Telephony Facsimile Television Composite transmissions and cases not covered by the above Absence of any modulation in- tended to carry information Supplementary Characteristics Two independent aidebands, reduced carrier Reduced carrier Type of Modulation Frequency (or phase) Modulated Pulse Modulated Symbol A3b A4 Al A9 A9e NO F! P2 F3 P4 F9 PO .

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