(48. Answer: single-sideband)
49. What frequency bands do Army tactical radio communications employ
mostly? Name them.
_________________________
_________________________
_________________________
One type of modulation is phase modulation; two other types of modulation are
_________________________ modulation and _____________________ modulation.
(49. Answer: High frequency or HF, very high frequency or VHF, ultra
high frequency or UHF, amplitude, frequency)
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