Chapter II.
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/statutes-at-large/vol-63/chapter-ii-6153408·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Chap. II, art. 2 RR)(74–77) CHAPTER II ARTICLE 2 Designation of Emissions 74 § 1. Emissions are designated according to their classification and the width of the frequency band occupied by them. Section I. Classification 75 § 2. Emissions are classsified and symbolized according to the following characteristics:
(1)Type of modulation
(2)Type of transmission
(3)Supplementary characteristics. 76 § 3.
(1)Types of modulation: *Symbol* *a)* Amplitude A *b)* Frequency (or phase) F *c)* Pulse P 77
(2)Types of transmission: *a)* Absence of any modulation intended to carry information 0 *b)* Telegraphy without the use of modulating audio frequency 1 *c)* Telegraphy by the keying of a modulating audio frequency or audio frequencies or by the keying of the modulated emission (special case: an unkcyed modulated emission) 2 *d)* Telephony 3 *e)* Facsimile 4 *f)* Television 5 *g)* Composite transmissions and cases not covered by the above 9 63 Stat. 1600 (78–80)(
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