Chapter II.
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/statutes-at-large/vol-63/chapter-ii-6161970·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Chap. II, art. 2 RR)(82–84) above, is prefixed by a number indicating the width in kilocycles of the frequency band occupied by it (see 58). 82 § 7. Bandwidths of 10 kilocycles or less shall be expressed to a maximum of two significant figures after the decimal. 83 § 8. For the necessary bandwidths of various classes of emissions, see appendix 5. 84 § 9. The following are examples of the designation of emissions. Description Designation 1. Telegraphy 25 words per minute, International Morse Code, carrier modulated by keying only 0.1 A1 2.
Telegraphy, 525 c/s tone, 25 words per minute, International Morse Code, carrier and tone keyed or tone only keyed 1.15 A2 3. Amplitude modulated telephony, 3 000 c/s maximum modulation, double sideband, full carrier 6 A3 4. Amplitude modulated telephony, 3 000 c/s maximum modulation, single sideband, reduced carrier 3 A3a 5. Amplitude modulated telephony, 3 000 c/s maximum modulation, two independent sidebands, reduced carrier 6 A3b 6. Vestigial sideband television (one sideband partially suppressed), full carrier (including a frequency modulated sound channel) 6 000 A5,F3 7.
Frequency modulated telephony, 3 000 c/s modulation frequency, 20 000 c/s deviation 46 F3 8. Frequency modulated telephony, 15 000 c/s modulation frequency, 75 000 c/s deviation 180 F3 9. One-microsecond pulses, unmodulated, assuming a value of 5 for K (see appendix 5) 10 000 P0 63 Stat. 1608 (85)(
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